CN112983450A - Tunnel rock burst control type TBM system and method - Google Patents
Tunnel rock burst control type TBM system and method Download PDFInfo
- Publication number
- CN112983450A CN112983450A CN202110508313.8A CN202110508313A CN112983450A CN 112983450 A CN112983450 A CN 112983450A CN 202110508313 A CN202110508313 A CN 202110508313A CN 112983450 A CN112983450 A CN 112983450A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- anchor
- control type
- segment
- rock burst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
- E21D9/0873—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines the shield being provided with devices for lining the tunnel, e.g. shuttering
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel rock burst control type TBM system and a tunnel rock burst control type TBM method, wherein the tunnel rock burst control type TBM system comprises a cutter head, a telescopic shield, a reinforcing mesh lifter, a steel support lifter, a concrete ejector, a movable supporting part, a segment installer and an anchor piece installer which are coaxially arranged and are sequentially connected and fixed through a transmission piece from left to right, the cutter head, the concrete ejector, the anchor piece installer and the segment installer are all rotatably arranged around a central shaft, and the telescopic shield and the reinforcing mesh lifter are both rotated along the central shaft and are radially stretched. The tunnel rockburst control type TBM system is simple in structure, a tunnel is excavated by the tunnel rockburst control type TBM system, a combined supporting system of reinforcing mesh, anchoring piece, high-strength arch frame and duct piece is constructed, the rockburst risk in the tunnel TBM construction process is reduced or avoided, and safety of constructors and mechanical equipment is guaranteed.
Description
Technical Field
The invention relates to the technical field of tunnel and underground chamber construction, in particular to a tunnel rock burst control type TBM system.
The invention also relates to a tunnel excavation and supporting method utilizing the tunnel rock burst control type TBM system.
Background
Rock burst is a phenomenon that elastic deformation potential energy accumulated in a rock body is suddenly and violently released under certain conditions, so that the rock bursts and is ejected. Rock burst can occur in the tunnel in the excavation process and after the excavation is finished, great threat is generated to tunnel personnel and equipment safety, meanwhile, the engineering cost is increased, and the process cycle time and the construction progress are influenced. Particularly, for tunnels with large burial depth, high stress and multiple structures, strong rock burst is easy to occur, for example, the Sichuan railway tunnel in the national major engineering is taken as an example, because the eastern part of the Qinghai-Tibet plateau formed by collision and rising of European and Asian plates and Indian plates passes through a complex and arduous mountain area with active structure, the tunnel construction process faces factors such as large burial depth, high stress and the like, multiple rock burst accidents occur in the built tunnel section, the newly built elegant forest section is 1018km, the tunnel accounts for 83%, the maximum burial depth exceeds 2000m, and the rock burst problem exists in 162 km of the tunnel. For the tunnel adopting TBM construction, if rock burst occurs in the tunnel excavation process, the adopted traditional duct piece and other supports are difficult to control the instantaneous large deformation of surrounding rocks, so that the support system is damaged, TBM equipment is buried, the construction progress is influenced, the economic loss is huge, and even casualties are caused.
Disclosure of Invention
The present invention has been made to solve the problems of the prior art. The invention aims to provide a tunnel rock burst control type TBM system and a tunnel rock burst control type TBM method, which have simple structure, utilize the tunnel rock burst control type TBM system to excavate a tunnel and construct a combined supporting system of 'reinforcing mesh-anchoring piece-high-strength arch frame-duct piece', reduce or avoid the occurrence risk of rock burst in the tunnel TBM construction process, and ensure the safety of constructors and mechanical equipment.
The invention relates to a tunnel rock burst control type TBM (tunnel boring machine) system which comprises a cutter head, a telescopic shield, a reinforcing mesh lifter, a steel support lifter, a concrete sprayer, a movable support part, a segment erector, an anchor erector and a rear matching device which are coaxially arranged and are sequentially connected and fixed through a transmission part from left to right, wherein the cutter head, the telescopic shield, the reinforcing mesh lifter, the steel support lifter, the concrete sprayer, the segment erector and the segment erector are all rotatably arranged around a central shaft, the telescopic shield slowly stretches out and draws back along the radial direction of the telescopic shield to resist rock burst to cast stone slag, the reinforcing mesh lifter rotates along the central shaft of the reinforced shield lifter and stretches out and draws back along the radial direction of the reinforced shield, the segment erector rotates along the central shaft of the reinforced shield, the segment erector stretches out and draws back along the radial direction of the reinforced shield, the segment erector, the back matching device comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem.
The invention relates to a tunnel rock burst control type TBM (tunnel boring machine) system which comprises a cutter head, a telescopic shield, a reinforcing mesh lifter, a steel support lifter, a concrete sprayer, a movable support part, a segment erector, an anchor erector and a rear matching device which are coaxially arranged and are sequentially connected and fixed through a transmission part from left to right, wherein the cutter head, the telescopic shield, the reinforcing mesh lifter, the steel support lifter, the concrete sprayer, the segment erector and the segment erector are all rotatably arranged around a central shaft, the telescopic shield slowly stretches out and draws back along the radial direction of the telescopic shield to resist rock burst to cast stone slag, the reinforcing mesh lifter rotates along the central shaft of the reinforced shield lifter and stretches out and draws back along the radial direction of the reinforced shield, the segment erector rotates along the central shaft of the reinforced shield, the segment erector stretches out and draws back along the radial direction of the reinforced shield, the segment erector, the back matching device comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem. Thus, the rear matching device, the anchoring piece installer, the segment installer, the movable supporting part, the concrete ejector, the steel support lifter, the reinforcing mesh lifter, the telescopic shield and the cutter head are respectively hoisted to go into the well, and then all the parts are coaxially assembled in sequence, so that the cutter head can rotate on the telescopic shield to excavate a tunnel, and the excavated stone slag is conveyed to the rear part through the conveyor belt, after the cutter head excavates for a certain distance, the telescopic shield is slowly reduced along the radial direction of the telescopic shield to resist rock burst and throw the stone slag, the reinforcing mesh lifter, the steel support lifter and the segment installer can be composed of a set of telescopic mechanical arms and have the functions of installation and connection, and the reinforcing mesh lifter is used for installing the reinforcing mesh on the surrounding rocks of the tunnel, the steel support lifter is used for installing high-strength arches arranged at intervals on the inner side of a reinforcing mesh of a tunnel, the segment installer is used for installing segments on the inner side of the high-strength arch, the anchor piece installer can be composed of two sets of telescopic mechanical arms, one set of mechanical arm device is used for drilling, the other set of mechanical arm device is used for installing an anchor piece and applying high prestress, and the steel support lifter has the characteristics of synchronous drilling and installation operation, rapid application of high prestress and the like. The duct piece installer and the anchoring piece installer are arranged at the same time, so that the risk of rock burst in the tunnel TBM construction process is reduced or avoided, and the safety of constructors and mechanical equipment is further guaranteed. The rear configuration device comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem, and can ensure the cooperation of all parts of the TBM in the whole tunnel excavation operation and the follow-up of peripheral facilities. Compared with the prior art, the tunnel rock burst control type TBM system has the advantages that: the tunnel rock burst control type TBM system is simple in structure, a tunnel is excavated by the tunnel rock burst control type TBM system, a 'steel bar mesh-anchoring piece-high-strength arch frame-duct piece' combined supporting system is constructed, the rock burst risk in the tunnel TBM construction process is reduced or avoided, and the safety of constructors and mechanical equipment is guaranteed.
The tunnel excavation and support method has a simple structure, and can be used for excavating tunnels by utilizing a tunnel rockburst control type TBM system and constructing a combined support system of reinforcing mesh, anchoring piece, high-strength arch frame and duct piece, so that the risk of rockburst in the tunnel TBM construction process is reduced or avoided, and the safety of constructors and mechanical equipment is guaranteed.
The invention relates to a tunnel excavation and support method utilizing a tunnel rock burst control type TBM system, wherein the tunnel rock burst control type TBM system comprises a cutter head, a telescopic shield, a reinforcing mesh lifter, a steel support lifter, a concrete sprayer, a movable support part, a segment erector, an anchor erector and a rear matching device which are coaxially arranged and are sequentially connected and fixed through a transmission part from left to right, the cutter head, the concrete sprayer, the anchor erector and the segment erector are all rotatably arranged around a central shaft, the telescopic shield slowly stretches out and draws back along the radial direction of the telescopic shield to resist rock burst to cast stone slag, the reinforcing mesh lifter rotates along the central shaft and stretches out and draws back along the radial direction of the central shaft, the segment erector rotates along the central shaft and stretches out and draws back along the radial direction of the central shaft, a spray head of the concrete sprayer faces to a corresponding position on the inner side wall of a tunnel, the cutterhead obtains advancing and excavating driving force by alternately supporting the inner side wall of the tunnel through the movable supporting part, and the rear matching device comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem, and comprises the following steps:
a: the movable supporting part falls down to abut against the inner wall of the tunnel, the cutter head abuts against a tunnel face to be excavated for tunneling, and after the tunnel is excavated, the steel bar mesh lifter assembles the sheet-shaped steel bar mesh body into an annular steel bar mesh frame which is fixedly laid on surrounding rocks of the tunnel;
b: a high-strength arch is erected on the steel support lifter;
c: the concrete sprayer uniformly sprays concrete on the reinforcing mesh body;
d: the segment erector rotates along the circumferential direction of the segment erector and stretches and retracts along the radial direction of the segment erector to assemble and fix the segment body;
e: the anchor mounting device is provided with an anchor body, so that the anchor body penetrates through the corresponding position of the segment body and extends to a stable rock stratum, and the anchor body and the high-strength arch truss are arranged in a staggered mode;
f: waterproof treatment is carried out on the segment body at the position corresponding to the position where the anchoring piece body penetrates through;
g: and the movable supporting part falls down to abut against the inner wall of the tunnel after moving forwards, and the steps A-E are repeated to carry out tunneling in the next period until the tunnel is run through.
The invention relates to a tunnel excavation and support method by utilizing a tunnel rock burst control type TBM system, which can also comprise the following steps:
the anchor piece body is provided with anchor piece mounting holes along the circumference of the segment body at intervals, and the anchor piece body is pushed by the corresponding positions of the anchor piece mounting holes through the anchor piece mounting device and extends to a stable rock stratum.
The anchor assembly body comprises an anchor rod or an anchor cable, the anchor rod or the anchor cable is arranged on the wall of the tunnel in an evenly-spaced mode, the anchor rod or the anchor cable extends to a stable rock stratum along the radial direction of the tunnel, and the inner end of the anchor rod or the inner end of the anchor cable is detachably fixed with the inner wall of the tunnel through a locking piece.
The anchor assembly body includes stock and anchor rope, the stock with the anchor rope is equidistant the ring is located the tunnel wall in turn and is followed the radial extension in tunnel and stabilize the stratum, the inner of stock with the inner of anchor rope all passes through the detachable fixed of locking piece with the tunnel inner wall.
And a first deformation space is reserved between the segment body and the high-strength arch frame.
And a second deformation space is reserved between the segment body and the anchoring piece body.
And step B can be selected according to actual geological conditions and construction conditions.
The sealing plug is detachably fixed on the corresponding position of the anchor piece mounting hole of the segment body.
The tunnel wall rock on-line real-time monitoring device is characterized in that a dynamometer is detachably fixed on the anchoring piece body, a pressure gauge is detachably fixed on the high-strength arch frame, a displacement meter is detachably fixed at the corresponding position of the tunnel wall rock, the deformation of the wall rock, the stress of the anchoring piece and the stress of the arch frame are monitored on line in real time respectively, and support parameters and TBM construction parameters are dynamically adjusted and optimized.
The invention relates to a tunnel excavation and support method utilizing a tunnel rock burst control type TBM system, wherein the tunnel rock burst control type TBM system comprises a cutter head, a telescopic shield, a reinforcing mesh lifter, a steel support lifter, a concrete sprayer, a movable support part, a segment erector, an anchor erector and a rear matching device which are coaxially arranged and are sequentially connected and fixed through a transmission part from left to right, the cutter head, the concrete sprayer, the anchor erector and the segment erector are all rotatably arranged around a central shaft, the telescopic shield slowly stretches out and draws back along the radial direction of the telescopic shield to resist rock burst to cast stone slag, the reinforcing mesh lifter rotates along the central shaft and stretches out and draws back along the radial direction of the central shaft, the segment erector rotates along the central shaft and stretches out and draws back along the radial direction of the central shaft, a spray head of the concrete sprayer faces to a corresponding position on the inner side wall of a tunnel, the cutterhead obtains advancing and excavating driving force by alternately supporting the inner side wall of the tunnel through the movable supporting part, and the rear matching device comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem, and comprises the following steps:
a: the movable supporting part falls down to abut against the inner wall of the tunnel, the cutter head abuts against a tunnel face to be excavated for tunneling, and after the tunnel is excavated, the steel bar mesh lifter assembles the sheet-shaped steel bar mesh body into an annular steel bar mesh frame which is fixedly laid on surrounding rocks of the tunnel;
b: a high-strength arch is erected on the steel support lifter;
c: the concrete sprayer uniformly sprays concrete on the reinforcing mesh body;
d: the segment erector rotates along the circumferential direction of the segment erector and stretches and retracts along the radial direction of the segment erector to assemble and fix the segment body;
e: the anchor mounting device is provided with an anchor body, so that the anchor body penetrates through the corresponding position of the segment body and extends to a stable rock stratum, and the anchor body and the high-strength arch truss are arranged in a staggered mode;
f: waterproof treatment is carried out on the segment body at the position corresponding to the position where the anchoring piece body penetrates through;
g: and the movable supporting part falls down to abut against the inner wall of the tunnel after moving forwards, and the steps A-E are repeated to carry out tunneling in the next period until the tunnel is run through. Thus, the rear matching device, the anchoring piece installer, the segment installer, the movable supporting part, the concrete ejector, the steel support lifter, the reinforcing mesh lifter, the telescopic shield and the cutter head are respectively hoisted to go into the well, and then all the parts are coaxially assembled in sequence, so that the cutter head can rotate on the telescopic shield to excavate a tunnel, and the excavated stone slag is conveyed to the rear part through the conveyor belt, after the cutter head excavates for a certain distance, the telescopic shield is slowly reduced along the radial direction of the telescopic shield to resist rock burst and throw the stone slag, the reinforcing mesh lifter, the steel support lifter and the segment installer can be composed of a set of telescopic mechanical arms and have the functions of installation and connection, and the reinforcing mesh lifter is used for installing the reinforcing mesh on the surrounding rocks of the tunnel, the steel support lifter is used for installing high-strength arches arranged at intervals on the inner side of a reinforcing mesh of a tunnel, the segment installer is used for installing segments on the inner side of the high-strength arch, the anchor piece installer can be composed of two sets of telescopic mechanical arms, one set of mechanical arm device is used for drilling, the other set of mechanical arm device is used for installing an anchor piece and applying high prestress, and the steel support lifter has the characteristics of synchronous drilling and installation operation, rapid application of high prestress and the like. The duct piece installer and the anchoring piece installer are arranged at the same time, so that the risk of rock burst in the tunnel TBM construction process is reduced or avoided, and the safety of constructors and mechanical equipment is further guaranteed. The rear configuration device comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem, and can ensure the cooperation of all parts of the TBM in the whole tunnel excavation operation and the follow-up of peripheral facilities. The reinforcing mesh body is of a sheet structure, after a tunnel is excavated, the reinforcing mesh body is quickly installed in time by utilizing a manipulator of the reinforcing mesh lifter through operations of stretching, lifting, direction adjustment and the like, the reinforcing mesh body is welded or mechanically connected, so that the reinforcing mesh body is tightly attached to tunnel surrounding rocks after being spliced, the high-strength arch truss comprises but not limited to a confined concrete arch truss, an I-shaped steel arch truss, an H-shaped steel arch truss and the like, has high-strength and high-rigidity supporting characteristics, can provide high-strength supporting resistance for the tunnel surrounding rocks, is made by one-section splicing, is respectively clamped by the manipulator of the steel support lifter and then is rotatably placed at a position to be installed, and is fixed to form an annular arch truss in a mode of flanges or casing joints and the like, and meanwhile, the high-strength arch truss can be selected for use according to actual high-strength geological conditions and construction conditions, so as to optimize the construction cost and ensure the construction progress. The installation of the high-strength arch frame enables the axes of adjacent sections at the node to coincide, and the structure stress of the whole high-strength arch frame is ensured to be uniform. The duct piece body is evenly distributed along the inner periphery of the tunnel, the duct piece installer is used for installing the duct piece body according to the principle from bottom to top, the first duct piece body is installed from the bottom of the tunnel, then the two duct piece bodies adjacent to the duct piece body are sequentially installed with the first duct piece body, and the top of the tunnel is installed at last the duct piece body is capped. The duct piece bodies can be fixedly connected through bolts, and the number of the duct piece bodies is determined according to the size of a tunnel and the length of the duct piece bodies. The anchor part installer can comprise two sets of mechanical arms, wherein one set of mechanical arm is responsible for drilling to a preset depth through the segment body, the other set of mechanical arm equipment is responsible for cleaning the drilled hole, adding the anchoring agent and installing the anchor part body and applying prestress, and the anchor part installer has the characteristics of synchronous operation of drilling and installation, rapid application of high prestress and the like. And finally, forming a complete combined supporting system of 'mesh reinforcement-anchoring piece-high-strength arch frame-duct piece' in the tunnel surrounding rock. Compared with the prior art, the tunnel excavation and support method has the advantages that: the tunnel rock burst control type TBM system is simple in structure, a tunnel is excavated by the tunnel rock burst control type TBM system, a 'steel bar mesh-anchoring piece-high-strength arch frame-duct piece' combined supporting system is constructed, the rock burst risk in the tunnel TBM construction process is reduced or avoided, and the safety of constructors and mechanical equipment is guaranteed.
Drawings
Fig. 1 is a sectional view of a tunnel rockburst control type TBM system of the present invention.
Fig. 2 is a schematic diagram of a mesh reinforcement lift of a tunnel rockburst control type TBM system according to the present invention.
FIG. 3 is a schematic diagram of a steel support lifter of a tunnel rock burst control type TBM system.
Fig. 4 is a schematic diagram of a segment installer of the tunnel rockburst control type TBM system.
Fig. 5 is a schematic diagram of an anchor mounting device of the tunnel rock burst control type TBM system of the present invention.
FIG. 6 is a schematic diagram of a combined supporting system of the tunnel rockburst control type TBM system.
Fig. 7 is an enlarged view of a portion a of the tunnel rockburst control type TBM system of the present invention in fig. 6.
Fig. 8 is a schematic layout view of a high-strength arch and an anchor member body in the tunnel excavation and support method of the present invention.
Fig. 9 is a first structural diagram of a segment body in the tunnel excavation and support method of the present invention.
Fig. 10 is a second schematic structural view of a segment body in the tunnel excavation and support method of the present invention.
Description of the figures
1 … cutter head; 2 … Telescopic shield; 3 … reinforcing mesh lifter; 4 … steel support lift; 5 … concrete sprayer; 6 … movable support; 7 … tube sheet installer; 8 … anchor mount; 9 … rear mating device; 10 … reinforcing bar net body; 11 … anchor rod; 12 … anchor lines; 13 … high-strength arch center; 14 … first deformation space; 15 … a segment body; 16 … anchor mounting holes; 17 … a lock; 18 … anchor body.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The tunnel rockburst control type TBM system and method of the present invention will be described in further detail with reference to fig. 1 to 10 of the accompanying drawings.
The invention relates to a tunnel rock burst control type TBM system, which is shown in a figure 1 to a figure 10 and comprises a cutter head 1, a telescopic shield 2, a reinforcing mesh lifter 3, a steel bracket lifter 4, a concrete ejector 5, a movable support part 6, a segment erector 7, an anchor erector 8 and a rear matching device 9 which are coaxially arranged and sequentially connected and fixed through transmission parts from left to right, wherein the cutter head 1, the concrete ejector 5, the anchor erector 8 and the segment erector 7 are arranged in a rotatable manner around a central shaft, the telescopic shield 2 slowly stretches and retracts along the radial direction of the telescopic shield to resist rock burst and cast stone slag, the reinforcing mesh lifter 3 rotates along the central shaft and stretches and retracts along the radial direction of the central shaft, the segment erector 7 rotates along the central shaft and stretches and retracts along the radial direction of the central shaft, a spray head of the concrete ejector 5 faces to a corresponding position on the inner side wall of a tunnel, the cutterhead 1 alternately supports the inner side wall of the tunnel through the movable supporting part 6 to obtain advancing and excavating driving force, and the rear matching device 9 comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem. Thus, the rear matching device 9, the anchoring piece erector 8, the segment erector 7, the movable support part 6, the concrete injector 5, the steel support lifter 4, the reinforcing mesh lifter 3, the telescopic shield 2 and the cutter head 1 are respectively hoisted and lowered into the well, then all the parts are coaxially assembled in sequence, so that the cutter head 1 can rotate on the telescopic shield 2 to dig the tunnel, and the dug stone slag is conveyed to the rear part through the conveyor belt, after the cutter head 1 digs a certain distance, the telescopic shield 2 is slowly reduced along the radial direction to resist the rock burst to throw the stone slag, the reinforcing mesh lifter 3, the steel support lifter 4 and the segment erector 7 can be composed of a set of telescopic mechanical arms, and have the functions of installation and connection, reinforcing bar net riser 3 carries out the installation of reinforcing bar net on the country rock in tunnel, steel support riser 4 carries out the installation of the high-strength bow member 13 that the interval set up in the reinforcing bar net inboard in tunnel, section of jurisdiction erector 7 carries out the installation of section of jurisdiction in the inboard of high-strength bow member 13, anchor assembly erector 8 then can be by two sets of retractable manipulators constitute, and one set of manipulator device is responsible for drilling, and another set of manipulator equipment is responsible for installing the anchor assembly and applys high prestressing force, has characteristics such as drilling-installation synchronous operation, fast application high prestressing force. The duct piece erector 7 and the anchoring piece erector 8 are arranged simultaneously, so that the risk of rock burst in the tunnel TBM construction process is reduced or avoided, and the safety of constructors and mechanical equipment is further guaranteed. The rear configuration device comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem, and can ensure the cooperation of all parts of the TBM in the whole tunnel excavation operation and the follow-up of peripheral facilities. Compared with the prior art, the tunnel rock burst control type TBM system has the advantages that: the tunnel rock burst control type TBM system is simple in structure, a tunnel is excavated by the tunnel rock burst control type TBM system, a 'steel bar mesh-anchoring piece-high-strength arch frame 13-segment' combined supporting system is constructed, the rock burst risk in the tunnel TBM construction process is reduced or avoided, and the safety of constructors and mechanical equipment is guaranteed.
The invention relates to a tunnel excavation and support method by using a tunnel rock burst control type TBM system, which refers to a drawing from 1 to 10, wherein the tunnel rock burst control type TBM system comprises a cutter head 1, a telescopic shield 2, a reinforcing mesh lifter 3, a steel bracket lifter 4, a concrete ejector 5, a movable support part 6, a segment erector 7, an anchor erector 8 and a rear matching device 9 which are coaxially arranged and are sequentially connected and fixed through a transmission part from left to right, the cutter head 1, the concrete ejector 5, the anchor erector 8 and the segment erector 7 are all rotatably arranged around a central shaft, the telescopic shield 2 slowly stretches and retracts along the radial direction to resist rock burst and cast stone slag, the reinforcing mesh lifter 3 rotates along the central shaft and stretches and retracts along the radial direction, the segment erector 7 rotates along the central shaft and stretches and retracts along the radial direction, the nozzle of the concrete sprayer 5 faces the corresponding position of the inner side wall of the tunnel, the cutter head 1 alternately supports the inner side wall of the tunnel through the movable supporting part 6 to obtain advancing and excavating driving force, and the rear matching device 9 comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem and comprises the following steps:
a: the movable supporting part 6 falls down to abut against the inner wall of the tunnel, the cutter head 1 abuts against a tunnel face to be excavated for excavation, and after the tunnel is excavated, the reinforcing mesh lifter 3 assembles the sheet-shaped reinforcing mesh body 10 into an annular reinforcing mesh frame and fixedly lays the annular reinforcing mesh frame on surrounding rocks of the tunnel;
b: a high-strength arch 13 is erected on the steel bracket lifter 4;
c: the concrete sprayer 5 sprays concrete uniformly on the reinforcing mesh body 10;
d: the segment erector 7 rotates along the circumferential direction and stretches and retracts along the radial direction to assemble and fix the segment body 15;
e: the anchor mounting device 8 is provided with an anchor body 18, so that the anchor body 18 penetrates through the corresponding position of the segment body 15 and extends to a stable rock stratum, and the anchor body 18 and the high-strength arch 13 are arranged in a staggered mode;
f: waterproofing treatment is carried out on the segment body 15 at a position corresponding to the position where the anchor piece body 18 passes through;
g: and the movable supporting part 6 falls down to abut against the inner wall of the tunnel after moving forward, and the steps A-E are repeated to carry out tunneling in the next period until the tunnel is run through and then the tunneling is finished. Thus, the rear matching device 9, the anchoring piece erector 8, the segment erector 7, the movable support part 6, the concrete injector 5, the steel support lifter 4, the reinforcing mesh lifter 3, the telescopic shield 2 and the cutter head 1 are respectively hoisted and lowered into the well, then all the parts are coaxially assembled in sequence, so that the cutter head 1 can rotate on the telescopic shield 2 to dig the tunnel, and the dug stone slag is conveyed to the rear part through the conveyor belt, after the cutter head 1 digs a certain distance, the telescopic shield 2 is slowly reduced along the radial direction to resist the rock burst to throw the stone slag, the reinforcing mesh lifter 3, the steel support lifter 4 and the segment erector 7 can be composed of a set of telescopic mechanical arms, and have the functions of installation and connection, reinforcing bar net riser 3 carries out the installation of reinforcing bar net on the country rock in tunnel, steel support riser 4 carries out the installation of the high-strength bow member 13 that the interval set up in the reinforcing bar net inboard in tunnel, section of jurisdiction erector 7 carries out the installation of section of jurisdiction in the inboard of high-strength bow member 13, anchor assembly erector 8 then can be by two sets of retractable manipulators constitute, and one set of manipulator device is responsible for drilling, and another set of manipulator equipment is responsible for installing the anchor assembly and applys high prestressing force, has characteristics such as drilling-installation synchronous operation, fast application high prestressing force. The duct piece erector 7 and the anchoring piece erector 8 are arranged simultaneously, so that the risk of rock burst in the tunnel TBM construction process is reduced or avoided, and the safety of constructors and mechanical equipment is further guaranteed. The rear configuration device comprises a control subsystem, a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem, and can ensure the cooperation of all parts of the TBM in the whole tunnel excavation operation and the follow-up of peripheral facilities. The reinforcing mesh body 10 is of a sheet structure, after a tunnel is excavated, the reinforcing mesh body 10 is rapidly installed in time by utilizing a manipulator of the reinforcing mesh lifter 3 through operations of stretching, lifting, direction adjustment and the like, the reinforcing mesh body 10 is welded or mechanically connected, so that the reinforcing mesh body 10 is tightly attached to tunnel surrounding rocks after being spliced, the high-strength arch 13 comprises but is not limited to a confined concrete arch, an I-shaped steel arch, an H-shaped steel arch and the like, has high-strength and high-rigidity supporting characteristics, can provide high-strength supporting resistance for the tunnel surrounding rocks, is made by splicing one section, is respectively clamped by the manipulator of the steel support lifter 4 and then is rotatably placed at a position to be installed, and is fixed by adopting modes such as flanges or casing joints to form the high-strength arch 13 into a ring shape, and meanwhile, the high-strength arch 13 can be selected for use according to actual geological conditions and construction conditions, so as to optimize the construction cost and ensure the construction progress. The high-strength arch 13 is installed so that the axes of adjacent sections at the node are overlapped, and the structure stress of the whole high-strength arch 13 is uniform. A plurality of section of jurisdiction body 15 evenly distributed sets up along tunnel interior week, section of jurisdiction erector 7 installation take the principle from bottom to top during section of jurisdiction body 15, begin to install first piece from the tunnel bottom section of jurisdiction body 15, then install in proper order with first piece section of jurisdiction body 15 adjacent two section of jurisdiction body 15, install the tunnel top at last section of jurisdiction body 15 carries out the capping. The segment bodies 15 can be fixedly connected through bolts, and the number of the segment bodies 15 is determined according to the size of a tunnel and the length of the segment bodies 15. The anchor mounting device 8 can comprise two sets of mechanical arms, wherein one set of mechanical arm is responsible for drilling to a preset depth through the segment body 15, and the other set of mechanical arm equipment is responsible for cleaning the drilled holes, adding an anchoring agent and mounting the anchor body 18 and applying prestress, and has the characteristics of synchronous operation of drilling and mounting, rapid application of high prestress and the like. And finally, forming a complete 'reinforcing mesh-anchoring piece-high-strength arch frame 13-segment' combined supporting system in the tunnel surrounding rock. Compared with the prior art, the tunnel excavation and support method has the advantages that: the tunnel rock burst control type TBM system is simple in structure, a tunnel is excavated by the tunnel rock burst control type TBM system, a 'steel bar mesh-anchoring piece-high-strength arch frame 13-segment' combined supporting system is constructed, the rock burst risk in the tunnel TBM construction process is reduced or avoided, and the safety of constructors and mechanical equipment is guaranteed.
Referring to fig. 1 to 10, the tunnel excavation and support method using the tunnel rockburst control type TBM system of the present invention may further include: the segment body 15 is provided with anchor mounting holes 16 at intervals along the circumferential direction thereof, and the anchor body 18 is pushed into and extends to a stable rock stratum from the positions corresponding to the anchor mounting holes 16 through the anchor mounting device 8. Like this, because when segment body 15 adopts intensity and the enough big material of rigidity to make, anchor assembly erector 8 can't directly pierce through segment body 15 carries out the operation of punching the equal interval setting in the circumference that segment body 15 is located the tunnel anchor assembly mounting hole 16 can make anchor assembly erector 8 with anchor assembly body 18 all can pass smoothly anchor assembly mounting hole 16 enters into the country rock and extends to the stable rock stratum. The anchor mounting hole 16 is circular or square in shape.
Referring to fig. 1 to 10, the tunnel excavation and support method using the tunnel rockburst control type TBM system of the present invention may further include: the anchor member body 18 comprises one of anchor rods 11 or anchor cables 12, the anchor rods 11 or the anchor cables 12 are annularly arranged on the wall of the tunnel at equal intervals, the anchor rods 11 or the anchor cables 12 extend to a stable rock stratum along the radial direction of the tunnel, and the inner ends of the anchor rods 11 or the inner ends of the anchor cables 12 are detachably fixed with the inner wall of the tunnel through locking pieces 17. In this way, the anchor rod 11 transmits the pulling force to the stable rock stratum, the anchor rod 11 is called an anchor cable 12 when a steel strand or a high-strength steel wire bundle is adopted as a rod body material, the anchor rod 11 or the anchor cable 12 is selected reasonably according to the force borne by the surrounding rock stratum after the comprehensive evaluation is carried out on the surrounding rock stratum above the tunnel, and the construction cost expenditure is further controlled. A further preferred technical solution is that the anchor rod 11 and the anchor cable 12 are both made of NPR. Thus, NPR materials are all called Negative Poisson's Ratio, that is, Negative Poisson Ratio materials, when the NPR materials are stretched, the anchor rod 11 or the anchor cable 12 expands in a direction perpendicular to a tensile stress direction instead of undergoing a normal contraction, when the NPR materials are compressed, the anchor rod 11 or the anchor cable 12 contracts in a direction perpendicular to a stress direction instead of undergoing a normal expansion, when the NPR materials are bent, a hollow low-pressure zone is formed inside the anchor rod 11 or the anchor cable 12 to improve a back supporting force of the anchor rod 11 or the anchor cable 12, and the anchor rod 11 or the anchor cable 12 made of NPR materials have excellent performances in terms of impact resistance, shear resistance, energy absorption and the like.
Referring to fig. 1 to 10, the tunnel excavation and support method using the tunnel rockburst control type TBM system of the present invention may further include: the anchor member body 18 comprises an anchor rod 11 and an anchor cable 12, the anchor rod 11 and the anchor cable 12 are arranged on the tunnel wall in an alternate and equally-spaced mode and extend to a stable rock stratum along the radial direction of the tunnel, and the inner end of the anchor rod 11 and the inner end of the anchor cable 12 are detachably fixed with the inner wall of the tunnel through a locking piece 17. In this way, the anchor rods 11 transmit the pulling force to the stable rock stratum, when the anchor rods 11 are made of steel strands or high-strength steel wire bundles, they are called anchor cables 12, if the pulling force required by the surrounding rock stratum above the tunnel is increased, the anchor rods 11 can be arranged on the circumferential direction of the tunnel at equal intervals, the anchor rods 11 extend outwards along the radial direction of the tunnel, the inner ends of the anchor rods 11 are fixed to the inner side wall of the tunnel, the outer ends of the anchor rods 11 extend to the stable rock stratum, and meanwhile, the anchor cables 12 are arranged between two adjacent anchor rods 11, so that the anchor cables 12 and the anchor rods 11 can be alternately arranged on the circumferential direction of the tunnel at equal intervals, and the anchor cables 12 share the pulling force of the anchor rods 11, thereby further ensuring that sufficient pulling force is transmitted to the stable rock stratum. A further preferred technical scheme is that the locking element 17 comprises a lock and a tray, and the tray and the lock sequentially penetrate through the lower parts of the anchor rods 11 or the anchor cables 12 from bottom to top. Like this, the top surface of tray and tunnel country rock offset in order to increase the tunnel country rock with area of contact between the tray for the tunnel country rock is right the unit area's of tray pressure load reduces, the tool to lock is in the below that the tray corresponds position department with stock 11 or anchor rope 12 is detachable fixed, will the tray is fixed on the tunnel country rock in the lump, makes stock 11 or anchor rope 12 be difficult to take place radial upward relative movement with the tunnel country rock.
Referring to fig. 1 to 10, the tunnel excavation and support method using the tunnel rockburst control type TBM system of the present invention may further include: a first deformation space 14 is reserved between the segment body 15 and the high-strength arch 13. Therefore, the surrounding rock deformation energy release space between the segment body 15 and the high-strength arch 13 can be used for resisting the pressure from the surrounding rock, and the function of protecting the segment body 15 is achieved.
Referring to fig. 1 to 10, the tunnel excavation and support method using the tunnel rockburst control type TBM system of the present invention may further include: a second deformation space 19 is reserved between the segment body 15 and the anchor member body 18. In this way, the second deformation space 19 between the segment body 15 and the anchor member body 18 can be used to release the pressure from the surrounding rock, and can be accommodated when the tunnel surrounding rock is slightly deformed, thereby protecting the segment body 15.
Referring to fig. 1 to 10, the tunnel excavation and support method using the tunnel rockburst control type TBM system of the present invention may further include: and step B can be selected according to actual geological conditions and construction conditions. Therefore, according to the actual geological conditions and construction conditions, the step B can be omitted, so that the construction cost is convenient to optimize, and the construction progress is ensured.
Referring to fig. 1 to 10, the tunnel excavation and support method using the tunnel rockburst control type TBM system of the present invention may further include: and a sealing plug is detachably fixed on the segment body 15 at a position corresponding to the anchor mounting hole 16. Therefore, the sealing plug can be conveniently and directly pressed into the anchoring piece mounting hole 16, so that the periphery of the sealing plug and the segment body 15 are sealed and detachably fixed at the corresponding position of the anchoring piece mounting hole 16, the segment body 15 is further subjected to sealing and waterproof treatment, and water seepage from the top of a tunnel through the anchoring piece mounting hole 16 is prevented.
Referring to fig. 1 to 10, the tunnel excavation and support method using the tunnel rockburst control type TBM system of the present invention may further include: the detachable dynamometer that is fixed with on anchor member body 18, the detachable manometer that is fixed with on the bow member 13 that excels in, tunnel country rock corresponds detachable displacement meter that is fixed with of position department, carries out online real-time supervision to country rock deflection, anchor member atress, bow member atress respectively to dynamic adjustment optimizes support parameter and TBM construction parameter. Therefore, the pressure gauge monitors the stress of the high-strength arch 13 on line in real time, the dynamometer monitors the stress condition of the anchoring part body 18 on line in real time, and the displacement meter monitors the deformation of the tunnel surrounding rock on line in real time, so that effective data reference is provided for dynamically adjusting and optimizing supporting parameters and TBM construction parameters on the whole.
The above description is only for the purpose of illustrating a few embodiments of the present invention, and should not be taken as limiting the scope of the present invention, in which all equivalent changes, modifications, or equivalent scaling-up or down, etc. made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.
Claims (10)
1. The utility model provides a tunnel rock burst control type TBM system which characterized in that: including coaxial setting and loop through driving medium from left to right and connect fixed blade disc, scalable shield, reinforcing bar net lift, steel support lift, concrete sprayer, movable support portion, section of jurisdiction erector, anchor piece erector and back supporting device, the blade disc the concrete sprayer the anchor piece erector with the section of jurisdiction erector all sets up around center pin rotation type, scalable shield is along its radial slow flexible in order to resist the rock burst cast stone sediment, reinforcing bar net lift is rotatory along its center pin and along its radial flexible, the section of jurisdiction erector is rotatory along its center pin and along its radial flexible, the shower nozzle of concrete sprayer corresponds position department towards the inside wall in tunnel, the blade disc passes through the inside wall that the tunnel was supported in turn to the movable support portion obtains advancing and excavate the motive force, back supporting device includes control subsystem, steel support portion, The system comprises a communication subsystem, a transportation subsystem, a ventilation subsystem and a drainage subsystem.
2. A tunnel excavation and support method using the tunnel rockburst control type TBM system according to claim 1, characterized in that: the tunnel rock burst is controlled by using a 'reinforcing mesh-anchoring piece-high-strength arch frame-segment' combined support system, and the construction comprises the following steps:
a: the movable supporting part falls down to abut against the inner wall of the tunnel, the cutter head abuts against a tunnel face to be excavated for tunneling, and after the tunnel is excavated, the steel bar mesh lifter assembles the sheet-shaped steel bar mesh body into an annular steel bar mesh frame which is fixedly laid on surrounding rocks of the tunnel;
b: a high-strength arch is erected on the steel support lifter;
c: the concrete sprayer uniformly sprays concrete on the reinforcing mesh body;
d: the segment erector rotates along the circumferential direction of the segment erector and stretches and retracts along the radial direction of the segment erector to assemble and fix the segment body;
e: the anchor mounting device is provided with an anchor body, so that the anchor body penetrates through the corresponding position of the segment body and extends to a stable rock stratum, and the anchor body and the high-strength arch truss are arranged in a staggered mode;
f: waterproof treatment is carried out on the segment body at the position corresponding to the position where the anchoring piece body penetrates through;
g: and the movable supporting part falls down to abut against the inner wall of the tunnel after moving forwards, and the steps A-E are repeated to carry out tunneling in the next period until the tunnel is run through.
3. The tunnel excavation and support method using the tunnel rock burst control type TBM system according to claim 2, characterized in that: the anchor piece body is provided with anchor piece mounting holes along the circumference of the segment body at intervals, and the anchor piece body is pushed by the corresponding positions of the anchor piece mounting holes through the anchor piece mounting device and extends to a stable rock stratum.
4. The tunnel excavation and support method using the tunnel rock burst control type TBM system according to claim 2, characterized in that: the anchor assembly body comprises an anchor rod or an anchor cable, the anchor rod or the anchor cable is arranged on the wall of the tunnel in an evenly-spaced mode, the anchor rod or the anchor cable extends to a stable rock stratum along the radial direction of the tunnel, and the inner end of the anchor rod or the inner end of the anchor cable is detachably fixed with the inner wall of the tunnel through a locking piece.
5. The tunnel excavation and support method using the tunnel rock burst control type TBM system according to claim 2, characterized in that: the anchor assembly body includes stock and anchor rope, the stock with the anchor rope is equidistant the ring is located the tunnel wall in turn and is followed the radial extension in tunnel and stabilize the stratum, the inner of stock with the inner of anchor rope all passes through the detachable fixed of locking piece with the tunnel inner wall.
6. The tunnel excavation and support method using the tunnel rock burst control type TBM system according to claim 2, characterized in that: and a first deformation space is reserved between the segment body and the high-strength arch frame.
7. The tunnel excavation and support method using the tunnel rock burst control type TBM system according to claim 2, characterized in that: and a second deformation space is reserved between the segment body and the anchoring piece body.
8. The tunnel excavation and support method using the tunnel rock burst control type TBM system according to claim 2, characterized in that: and step B can be selected according to actual geological conditions and construction conditions.
9. The tunnel excavation and support method using the tunnel rock burst control type TBM system according to claim 2, characterized in that: the sealing plug is detachably fixed on the corresponding position of the anchor piece mounting hole of the segment body.
10. The tunnel excavation and support method using the tunnel rock burst control type TBM system according to claim 2, characterized in that: the tunnel wall rock on-line real-time monitoring device is characterized in that a dynamometer is detachably fixed on the anchoring piece body, a pressure gauge is detachably fixed on the high-strength arch frame, a displacement meter is detachably fixed at the corresponding position of the tunnel wall rock, the deformation of the wall rock, the stress of the anchoring piece and the stress of the arch frame are monitored on line in real time respectively, and support parameters and TBM construction parameters are dynamically adjusted and optimized.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110508313.8A CN112983450B (en) | 2021-05-11 | 2021-05-11 | Tunnel rock burst control type TBM system and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110508313.8A CN112983450B (en) | 2021-05-11 | 2021-05-11 | Tunnel rock burst control type TBM system and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112983450A true CN112983450A (en) | 2021-06-18 |
CN112983450B CN112983450B (en) | 2021-10-15 |
Family
ID=76337449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110508313.8A Active CN112983450B (en) | 2021-05-11 | 2021-05-11 | Tunnel rock burst control type TBM system and method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112983450B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114109407A (en) * | 2021-11-23 | 2022-03-01 | 中铁隧道局集团有限公司 | Grading prevention and control method for tunnel construction of rock burst stratum by TBM (Tunnel boring machine) method |
CN114273282A (en) * | 2021-12-31 | 2022-04-05 | 中铁工程装备集团有限公司 | Tunnel bottom accumulated slag cleaning method and system based on robot operation |
CN114961775A (en) * | 2022-04-22 | 2022-08-30 | 中铁工程装备集团有限公司 | Construction method for breaking surrounding rock by open TBM (tunnel boring machine) |
CN116201573A (en) * | 2023-05-06 | 2023-06-02 | 中国矿业大学(北京) | Construction method for rock burst tunnel prevention and control system |
CN116537803A (en) * | 2023-06-01 | 2023-08-04 | 中国矿业大学(北京) | Rock burst control type TBM system and construction method |
CN116591700A (en) * | 2023-06-01 | 2023-08-15 | 中国矿业大学(北京) | TBM system suitable for soft rock tunnel and rock burst tunnel and construction method |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4627765A (en) * | 1983-11-26 | 1986-12-09 | Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann | Tunneling machine |
EP1033473A1 (en) * | 1999-03-03 | 2000-09-06 | C & M McNALLY ENGINEERING Corp. | Method and apparatus for feeding a tunnel roof support system from the roof shield of a Tbm |
CN202192411U (en) * | 2011-08-02 | 2012-04-18 | 四川二滩国际工程咨询有限责任公司 | Quick supporting type reinforcing mesh installation device of tunnel boring machine |
CN108457667A (en) * | 2018-03-07 | 2018-08-28 | 华能西藏雅鲁藏布江水电开发投资有限公司 | Self-compacting concrete segment lining structure and construction method thereof |
CN109578002A (en) * | 2019-01-14 | 2019-04-05 | 中铁工程装备集团有限公司 | A kind of open type double structure development machine and its application method |
CN109826637A (en) * | 2019-04-02 | 2019-05-31 | 中铁工程装备集团有限公司 | A double-structure TBM and its construction method |
CN110284895A (en) * | 2019-06-19 | 2019-09-27 | 中铁隧道局集团有限公司 | A kind of multifunctional rock rock tunnel(ling) machine support system and method for protecting support |
CN111075477A (en) * | 2020-01-17 | 2020-04-28 | 中铁工程装备集团有限公司 | Semi-rigid supporting structure system of large-section soft rock tunnel and construction method of semi-rigid supporting structure system |
-
2021
- 2021-05-11 CN CN202110508313.8A patent/CN112983450B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4627765A (en) * | 1983-11-26 | 1986-12-09 | Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann | Tunneling machine |
EP1033473A1 (en) * | 1999-03-03 | 2000-09-06 | C & M McNALLY ENGINEERING Corp. | Method and apparatus for feeding a tunnel roof support system from the roof shield of a Tbm |
CN202192411U (en) * | 2011-08-02 | 2012-04-18 | 四川二滩国际工程咨询有限责任公司 | Quick supporting type reinforcing mesh installation device of tunnel boring machine |
CN108457667A (en) * | 2018-03-07 | 2018-08-28 | 华能西藏雅鲁藏布江水电开发投资有限公司 | Self-compacting concrete segment lining structure and construction method thereof |
CN109578002A (en) * | 2019-01-14 | 2019-04-05 | 中铁工程装备集团有限公司 | A kind of open type double structure development machine and its application method |
CN109826637A (en) * | 2019-04-02 | 2019-05-31 | 中铁工程装备集团有限公司 | A double-structure TBM and its construction method |
CN110284895A (en) * | 2019-06-19 | 2019-09-27 | 中铁隧道局集团有限公司 | A kind of multifunctional rock rock tunnel(ling) machine support system and method for protecting support |
CN111075477A (en) * | 2020-01-17 | 2020-04-28 | 中铁工程装备集团有限公司 | Semi-rigid supporting structure system of large-section soft rock tunnel and construction method of semi-rigid supporting structure system |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114109407A (en) * | 2021-11-23 | 2022-03-01 | 中铁隧道局集团有限公司 | Grading prevention and control method for tunnel construction of rock burst stratum by TBM (Tunnel boring machine) method |
CN114273282A (en) * | 2021-12-31 | 2022-04-05 | 中铁工程装备集团有限公司 | Tunnel bottom accumulated slag cleaning method and system based on robot operation |
CN114961775A (en) * | 2022-04-22 | 2022-08-30 | 中铁工程装备集团有限公司 | Construction method for breaking surrounding rock by open TBM (tunnel boring machine) |
CN116201573A (en) * | 2023-05-06 | 2023-06-02 | 中国矿业大学(北京) | Construction method for rock burst tunnel prevention and control system |
CN116201573B (en) * | 2023-05-06 | 2023-06-27 | 中国矿业大学(北京) | Construction method for rock burst tunnel prevention and control system |
CN116537803A (en) * | 2023-06-01 | 2023-08-04 | 中国矿业大学(北京) | Rock burst control type TBM system and construction method |
CN116591700A (en) * | 2023-06-01 | 2023-08-15 | 中国矿业大学(北京) | TBM system suitable for soft rock tunnel and rock burst tunnel and construction method |
CN116537803B (en) * | 2023-06-01 | 2024-01-26 | 中国矿业大学(北京) | Rock burst control type TBM system and construction method |
CN116591700B (en) * | 2023-06-01 | 2024-04-16 | 中国矿业大学(北京) | TBM system suitable for soft rock tunnel and rock burst tunnel and construction method |
Also Published As
Publication number | Publication date |
---|---|
CN112983450B (en) | 2021-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112983450B (en) | Tunnel rock burst control type TBM system and method | |
US11739639B2 (en) | Composite support structure, construction system, and method | |
CN103590833B (en) | Screw conveyor push pipe pipe curtain construction method | |
CN108691550B (en) | Vertical shaft shield machine for underground upward construction and construction method thereof | |
CN112096383B (en) | A kind of pulse top cutting pressure relief method for gob-side roadway | |
CN105201518A (en) | Method for receiving and disassembly of large-diameter slurry balance shield in hole | |
CN218780355U (en) | Pushing system for tunneling construction of T-shaped contact channel of tunnel group | |
CN115095357B (en) | A built-in pipe shed support device and a method for directly constructing a pipe shed in a cave | |
CN113513322A (en) | Soil pressure balance jacking construction method for water-rich shallow-buried large-section rectangular jacking pipe | |
CN115680695B (en) | A large deformation control system and construction method for a tunnel in a soft rock formation with high ground stress | |
CN110985017A (en) | Construction method for penetrating rainwater box culvert under expansive soil stratum shield | |
CN108266196B (en) | Counterforce device for shield jacking new Otto support and setting method thereof | |
CN110030026A (en) | A kind of scalable roadway support arch and its operating method | |
CN111828021B (en) | Shield reaction device and shield starting operation method | |
KR101437439B1 (en) | Apparatus for boring tunnel | |
CN116591700B (en) | TBM system suitable for soft rock tunnel and rock burst tunnel and construction method | |
CN111997649A (en) | Tunnel-first post-station underground excavation station segment removal construction method and segment removal tool used by same | |
CN216342178U (en) | Shield constructs ring frame roof beam structure | |
CN219910789U (en) | Advanced support bracket for tunnel pipe shed | |
CN221609977U (en) | Combined shield air-pushing counter-force supporting structure used in mine tunnel | |
CN112049644B (en) | A ventilation shaft for a large rescue station in a high-stress soft rock formation and a construction method thereof | |
CN218293602U (en) | Demolish frock to shield earlier and expand tunnel segment of digging | |
CN218030202U (en) | Shield type weak surrounding rock tunnel construction machinery | |
CN219197335U (en) | Pushing system for tunneling construction of T-shaped connecting channels of tunnel group | |
EP0389450B1 (en) | Plant for digging and shoring up the walls of tunnels during excavation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |