CN103821535A - Shield method tunnel lining structure pre-buried groove connecting element and installing method thereof - Google Patents
Shield method tunnel lining structure pre-buried groove connecting element and installing method thereof Download PDFInfo
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- CN103821535A CN103821535A CN201410080197.4A CN201410080197A CN103821535A CN 103821535 A CN103821535 A CN 103821535A CN 201410080197 A CN201410080197 A CN 201410080197A CN 103821535 A CN103821535 A CN 103821535A
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- sliding recess
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- liner structure
- buried
- shaped bolt
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012856 packing Methods 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a shield method tunnel lining structure pre-buried groove connecting element and an installing method thereof. The equipment installation after the shield method tunnel communication becomes an important limitation factor for influencing the long-term durability of the tunnel, and a method of additionally installing connecting elements for artificial pick drilling causes the problem that the stability and the durability of the connecting elements cannot conform to the existing design standard. A stripped sliding groove is annularly pre-buried in a lining structure, the cross section of the sliding groove is in a rectangular shape, a stripped notch with the smaller outer side and the greater inner side is formed inside a tunnel, the groove bottom is fixedly arranged on the lining structure through a double-head anchor nail, a plurality of T-shaped screw bolts capable of freely sliding are arranged in the sliding grooves, the end part enlarging heads of the T-shaped screw bolts are clamped and embedded in the sliding grooves, and the exposed parts of the T-shaped screw bolts inside the tunnel are fixed with a gasket through screw bolts. The groove connecting element and the installing method provided by the invention have the advantages that the groove connecting elements are pre-buried inside the shield method tunnel lining structure, the T-shaped screw bolts can freely slide in the pre-buried groove, and the exposed parts of the T-shaped screw bolts inside the tunnel can meet the equipment installing requirements in any positions.
Description
Technical field
the invention belongs to construction of tunnel technical field, be specifically related to the pre-buried groove connecting of a kind of shield tunnel liner structure and mounting method thereof.
Background technology
For the railway traffic engineering of current cities in China, the shared ratio of shield tunnel is increasing, under syllabus target prerequisite headed by workmanship and construction safety, various new materials, new technology, novel construction method continues to bring out, greatly promote the constructing benefits of shield tunnel engineering, but after tunnel holing through, the installation of various device becomes an important restriction factor that affects tunnel long durability, traditional artificial pneumatic pick way of setting up connecting elements of holing, cause stability and the durability of connector to be difficult to meet existing design standard, more cannot reach the design object of century-old engineering.
In tunnel the connector of relevant device should have that installation site is flexible, simple to operate, maintenance or change convenient and use the features such as safe, reliable, and traditional artificial pneumatic pick bore mode is difficult to meet these basic demands.The pre-buried groove connecting of shield tunnel liner structure can be realized the equipment of tunnel internal optional position and install, and the installation of equipment, replacing and maintenance can be accomplished simple, more can not cause the local damage of existing liner structure, can guarantee that the long durability in tunnel is not subject to the impact of equipment installation.The utilization of the pre-buried groove connecting of shield tunnel liner structure, improved equipment installation effectiveness, improved installation environment, improve the stress performance of liner structure, reduce potential quality or the potential safety hazard in tunnel, tunnel maintenance, maintenance and operation cost are reduced, extend the application life in tunnel, improved the long durability in tunnel.The integrity service standard and the level that promote construction of tunnel are had great importance, there is promotion prospect widely.
Summary of the invention
The object of this invention is to provide the pre-buried groove connecting of a kind of shield tunnel liner structure and mounting method thereof, can realize tunnel internal various device simply, quickly and accurately install.
The technical solution adopted in the present invention is:
The pre-buried groove connecting of shield tunnel liner structure, is characterized in that:
Along tunnel cross-sectional direction, the sliding recess of the pre-buried bar shaped of hoop in liner structure;
In sliding recess, be provided with multiple slidably T-shaped bolts, the enlarged footing inlay card of T-shaped bolt end is in sliding recess;
T-shaped bolt is fixed by nut and packing ring in the exposure part of tunnel internal.
The bottom land of sliding recess is fixed on liner structure by double end holdfast.
The cross section of sliding recess is rectangular, offers outer little interior large strip notch to tunnel internal;
The width of T-shaped bolt end enlarged footing is greater than strip notch cross section outside opening width, is less than strip notch cross section inner width, and inlay card is in sliding recess groove;
T-shaped bolt stretches out from strip notch in the exposure part of tunnel internal, and the diameter of nut and packing ring is greater than strip notch cross section outside opening width.
The mounting method of the pre-buried groove connecting of shield tunnel liner structure, is characterized in that:
Realized by following steps:
Step 1: according to liner structure inner surface radian, the sliding recess of prefabricated hoop bar shaped, and prefabricated supporting double end holdfast and T-shaped bolt;
Step 2: with nut and packing ring by double end holdfast according to both determining deviations, by sliding recess back side reserving hole, be fixed on sliding recess bottom land;
Step 3: the sliding recess that connects double end holdfast is fixed on the cage of reinforcement of liner structure, simultaneously at the inner filling of sliding recess sponge strip, monobloc cast liner structure;
Step 4: to precalculated position, take out the inner sponge strip of sliding recess by assembled liner structure;
Step 5: T-shaped bolt is inserted to sliding recess, be free to slide to precalculated position after half-twist, be fixed on sliding recess with nut and packing ring;
Step 6: utilize the exposure part of T-shaped bolt at tunnel internal, the required various device of the normal operation in tunnel is installed.
The present invention has the following advantages:
The present invention is at the inner pre-buried groove connecting of shield tunnel lining cutting, and T-shaped bolt can be free to slide in pre-buried groove, has met the equipment installation requirements of tunnel internal optional position.The material that connector relates to is general type, is convenient to processing and manufacturing; Sliding recess intrados and liner structure inner surface can be accomplished to seamlessly transit, and have avoided the adverse effect to tunnel clearance; The position of liner structure steel bar stress has been avoided in the position of sliding recess and double end holdfast, can not affect the carrying effect of liner structure, and the rigidity of sliding recess self also can increase the integral rigidity of liner structure to a certain extent; The sponge strip that sliding recess is inner pre-buried, can guarantee that, in liner structure casting process, sliding recess inner space is unaffected, and then can guarantee T-shaped bolt being free to slide and rotating in inside grooves; Adhesion stress between the anchored force of double end holdfast and sliding recess and concrete, enough tension pulls out force are provided can to T-shaped bolt, and then can meet tunnel internal various device simply, installation requirement fast and accurately, minimizing equipment is installed the potential hidden danger of quality causing, reduce the maintenance cost to connecting elements in operation, there is higher economic benefit and social benefit, in the construction of tunnel such as urban track traffic, railway, highway, have wide practical use.
Accompanying drawing explanation
Fig. 1 is the liner structure front view of pre-buried sliding recess.
Fig. 2 is the liner structure side view of pre-buried sliding recess.
Fig. 3 is the partial enlarged drawing of sliding recess in liner structure.
In figure, 1-liner structure, 2-sliding recess, 3-double end holdfast, 4-T type bolt, 5-nut and packing ring, 6-lining cutting hole for hoist, 7-lining cutting hand hole.
The specific embodiment
Below in conjunction with the specific embodiment, the present invention will be described in detail.
Based on existing technical level, after tunnel holing through, set up equipment installation connecting element at liner structure surface drilling or fluting, and the globality to liner structure and durability do not cause adverse effect, also to guarantee to meet the object that various device long-term safety is used, still have sizable difficulty simultaneously.Because in liner structure surface drilling or grooving process, cannot effectively avoid liner structure internal main and want steel bar stress, cannot avoid liner structure cracking, local fragmentation that stress raisers cause even to fall piece, also the percolating water phenomenon that cannot fundamentally stop boring or fluting place, cannot solve the adverse effect to liner structure and connector long durability more.Therefore, current shield tunnel internal unit is installed required connector, still need according to " in advance pre-buried, with liner structure form organic whole " basic concept carry out design and construction." pre-buried in advance " mainly refers to sliding recess is considered as to one of basic framework of liner structure, locate with steel bar stress simultaneously, together with colligation, " organic whole " mainly refer to sliding recess build together with liner structure, jointly carrying, compatible deformation.When equipment is installed, T-shaped bolt is inserted to pre-buried inside grooves, after half-twist, in pre-buried groove, slide, be fixed with nut and packing ring in pre-position, then utilize the exposure part of T-shaped bolt at tunnel internal, as the installation fulcrum of equipment.Train is in operation process, the acting in conjunction of air force and equipment self-weight, can cause T-shaped bolt to be subject to the load of different directions, T-shaped bolt will under tension, the acting in conjunction of shearing and moment of flexure, and the rigidity of T-shaped bolt and intensity must can be born complicated loading condition.Meanwhile, T-shaped bolt can be passed to pre-buried sliding recess and double end holdfast by a load, is finally passed to liner structure, and to reach, entirety is stressed, the object of compatible deformation.Sliding recess and liner structure be the formation water soil pressure of periphery, shared tunnel not only, is also bearing together the various imposed loads that tunnel internal erection equipment causes simultaneously.
The pre-buried groove connecting of shield tunnel liner structure involved in the present invention, along tunnel cross-sectional direction, the sliding recess 2 of the pre-buried bar shaped of hoop in liner structure 1 can be evenly arranged on every ring or every two ring liner structures 1.Sliding recess 2, in the pre-buried position on liner structure 1 surface, should be avoided the position of the lining cutting hole for hoist 6 of liner structure 1 middle part setting, also will avoid the steel bar stress position of liner structure 1 inside simultaneously.The bottom land of sliding recess 2 is fixed on liner structure 1 by double end holdfast 3, double end holdfast 3 utilizes nut and packing ring, be fixed on sliding recess 2 bottom land reserving hole places, the enlarged footing that double end holdfast 3 middle parts and end arrange, enough tension pulls out force are provided can to sliding recess 2, thereby sliding recess 2 is fixed on to the inner precalculated position of liner structure 1.The cross section of sliding recess 2 is rectangular, offer outer little interior large strip notch to tunnel internal, in sliding recess 2, be provided with multiple T-shaped bolts 4 that are free to slide, the width of the end expanding head of T-shaped bolt 4 is greater than strip notch cross section outside opening width, be less than the width of inside, strip notch cross section, guarantee T-shaped bolt 4 effectively inlay card in sliding recess 2, and being free to slide in sliding recess 2.T-shaped bolt 4 stretches out from strip notch in the exposure part of tunnel internal, utilizes nut and packing ring 5 to be fixed, and the diameter of nut and packing ring 5 is greater than strip notch cross section outside opening width.By the rotation of T-shaped bolt 4 end expanding heads, and the inner nut of liner structure 1 and packing ring is fixing, T-shaped bolt 4 can be fixed on effectively to the optional position on sliding recess 2 surfaces.
When liner structure 1 is prefabricated, sliding recess 2 and the fixing double end holdfast 3 of bottom land need to be fixed on to precalculated position, monobloc cast.Sliding recess 2 is to require according to bearing capacity, durability and surperficial radian the steel member of making; Double end holdfast 3 is to require according to anchoring and structure the steel member of making; T-shaped bolt is the steel member of making according to equipment imposed load, structure and life requirement; Nut and the steel member of packing ring 5 for matching with T-shaped bolt.
The mounting method of the pre-buried groove connecting of shield tunnel liner structure, is characterized in that:
Realized by following steps:
Step 1: according to liner structure 1 cross section inner surface radian, prefabricated bar shaped sliding recess 2, and prefabricated supporting double end holdfast 3 and T-shaped bolt 4;
Step 2: with nut and packing ring by double end holdfast 3 according to both determining deviations, by sliding recess 2 bottom land reserving holes, be fixed on sliding recess 2 bottom lands;
Step 3: the sliding recess 2 that connects double end holdfast 3 is fixed on to pre-position on the cage of reinforcement of liner structure 1, simultaneously at the inner filling sponge strips of sliding recess 2, monobloc cast liner structure 1;
Step 4: to precalculated position, take out the inner sponge strip of sliding recess 2 by assembled liner structure 1;
Step 5: T-shaped bolt 4 is inserted to sliding recess 2, be free to slide to precalculated position after half-twist, be fixed on sliding recess 2 with nut and packing ring 5;
Step 6: utilize the exposure part of T-shaped bolt 4 at tunnel internal, the required various device of the normal operation in tunnel is installed.
It is cited that content of the present invention is not limited to embodiment, and the conversion of any equivalence that those of ordinary skills take technical solution of the present invention by reading manual of the present invention, is claim of the present invention and contains.
Claims (4)
1. the pre-buried groove connecting of shield tunnel liner structure, is characterized in that:
Along tunnel cross-sectional direction, the sliding recess (2) of the pre-buried bar shaped of hoop in liner structure (1);
In sliding recess (2), be provided with multiple slidably T-shaped bolts (4), the enlarged footing inlay card of T-shaped bolt (4) end is in sliding recess (2);
T-shaped bolt (4) is fixing by nut and packing ring (5) in the exposure part of tunnel internal.
2. the pre-buried groove connecting of shield tunnel liner structure according to claim 1, is characterized in that:
The bottom land of sliding recess (2) is fixed on liner structure (1) by double end holdfast (3).
3. the pre-buried groove connecting of shield tunnel liner structure according to claim 2, is characterized in that:
The cross section of sliding recess (2) is rectangular, offers outer little interior large strip notch to tunnel internal;
The width of T-shaped bolt (4) end expanding head is greater than strip notch cross section outside opening width, is less than strip notch cross section inner width, and inlay card is in sliding recess (2) groove;
T-shaped bolt (4) stretches out from strip notch in the exposure part of tunnel internal, and the diameter of nut and packing ring (5) is greater than strip notch cross section outside opening width.
4. the mounting method of the pre-buried groove connecting of shield tunnel liner structure, is characterized in that:
Realized by following steps:
Step 1: according to liner structure (1) inner surface radian, the sliding recess (2) of prefabricated hoop bar shaped, and prefabricated supporting double end holdfast (3) and T-shaped bolt (4);
Step 2: with nut and packing ring by double end holdfast (3) according to both determining deviations, by sliding recess (2) back side reserving hole, be fixed on sliding recess (2) bottom land;
Step 3: the sliding recess (2) that connects double end holdfast (3) is fixed on the cage of reinforcement of liner structure (1), simultaneously at the inner filling of sliding recess (2) sponge strip, monobloc cast liner structure (1);
Step 4: to precalculated position, take out the inner sponge strip of sliding recess (2) by assembled liner structure (1);
Step 5: T-shaped bolt (4) is inserted to sliding recess (2), be free to slide to precalculated position after half-twist, be fixed on sliding recess (2) with nut and packing ring (5);
Step 6: utilize the exposure part of T-shaped bolt (4) at tunnel internal, the required various device of the normal operation in tunnel is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410080197.4A CN103821535A (en) | 2014-03-06 | 2014-03-06 | Shield method tunnel lining structure pre-buried groove connecting element and installing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410080197.4A CN103821535A (en) | 2014-03-06 | 2014-03-06 | Shield method tunnel lining structure pre-buried groove connecting element and installing method thereof |
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| CN103821535A true CN103821535A (en) | 2014-05-28 |
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| CN201410080197.4A Pending CN103821535A (en) | 2014-03-06 | 2014-03-06 | Shield method tunnel lining structure pre-buried groove connecting element and installing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131822A (en) * | 2014-07-29 | 2014-11-05 | 江苏华彤新能源科技有限公司 | Shield tunnel Huadun groove reverse hanging pre-burying structure and pre-burying method of shield tunnel Huadun groove reverse hanging pre-burying structure |
| CN105649662A (en) * | 2016-03-01 | 2016-06-08 | 中铁二院工程集团有限责任公司 | Embedded sliding chute anchor leg extension connection member used in tunnel |
| CN107013244A (en) * | 2016-01-28 | 2017-08-04 | 江苏华彤新能源科技有限公司 | A kind of interior anchor external conduit fixed form |
| CN108184820A (en) * | 2017-11-29 | 2018-06-22 | 北京林业大学 | A kind of Herbarium clip, specimen cabinet and its fixing means for fixed preparation folder |
| CN108278119A (en) * | 2018-01-17 | 2018-07-13 | 上海市政工程设计研究总院（集团）有限公司 | A kind of lossless fixing device of shield tunnel lane plate electrical installation and installation method |
| CN108757298A (en) * | 2018-05-11 | 2018-11-06 | 上海玻璃钢研究院东台有限公司 | A kind of pre-embedded bolt structure of wind electricity blade blade root |
| CN113013816A (en) * | 2021-05-08 | 2021-06-22 | 浙江诺盾消防科技有限公司 | Interval pre-buried spout spool of track traffic |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007146379A (en) * | 2005-11-24 | 2007-06-14 | Kumagai Gumi Co Ltd | Segment connection device and segment |
| CN101182774A (en) * | 2007-12-20 | 2008-05-21 | 中铁十二局集团有限公司 | Railway large-bore tunnel overhead contact built-in sliding chute construction method |
| CN101537801A (en) * | 2009-04-24 | 2009-09-23 | 江苏华威线路设备集团有限公司 | Device for installing contact net in tunnel in electrified railway engineering |
| CN101761344A (en) * | 2010-01-14 | 2010-06-30 | 华南理工大学 | Prefabricated pipe section for shield tunnel and preparation method thereof |
| CN203130153U (en) * | 2013-01-29 | 2013-08-14 | 江苏华彤新能源科技有限公司 | Embedded channel assembly used for shield tunnel |
| CN203320366U (en) * | 2013-05-15 | 2013-12-04 | 中铁上海工程局有限公司 | Circular tunnel rail layer walking rail support |
| CN203335580U (en) * | 2013-01-29 | 2013-12-11 | 江苏华彤新能源科技有限公司 | Installation bolt special for leaky cable |
| CN203730009U (en) * | 2014-03-06 | 2014-07-23 | 中铁第一勘察设计院集团有限公司 | Embedded groove connecting piece of shield tunnel lining structure |
-
2014
- 2014-03-06 CN CN201410080197.4A patent/CN103821535A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007146379A (en) * | 2005-11-24 | 2007-06-14 | Kumagai Gumi Co Ltd | Segment connection device and segment |
| CN101182774A (en) * | 2007-12-20 | 2008-05-21 | 中铁十二局集团有限公司 | Railway large-bore tunnel overhead contact built-in sliding chute construction method |
| CN101537801A (en) * | 2009-04-24 | 2009-09-23 | 江苏华威线路设备集团有限公司 | Device for installing contact net in tunnel in electrified railway engineering |
| CN101761344A (en) * | 2010-01-14 | 2010-06-30 | 华南理工大学 | Prefabricated pipe section for shield tunnel and preparation method thereof |
| CN203130153U (en) * | 2013-01-29 | 2013-08-14 | 江苏华彤新能源科技有限公司 | Embedded channel assembly used for shield tunnel |
| CN203335580U (en) * | 2013-01-29 | 2013-12-11 | 江苏华彤新能源科技有限公司 | Installation bolt special for leaky cable |
| CN203320366U (en) * | 2013-05-15 | 2013-12-04 | 中铁上海工程局有限公司 | Circular tunnel rail layer walking rail support |
| CN203730009U (en) * | 2014-03-06 | 2014-07-23 | 中铁第一勘察设计院集团有限公司 | Embedded groove connecting piece of shield tunnel lining structure |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131822A (en) * | 2014-07-29 | 2014-11-05 | 江苏华彤新能源科技有限公司 | Shield tunnel Huadun groove reverse hanging pre-burying structure and pre-burying method of shield tunnel Huadun groove reverse hanging pre-burying structure |
| CN104131822B (en) * | 2014-07-29 | 2016-05-25 | 江苏华彤新能源科技有限公司 | Anti-pre-buried structure and the built-in process thereof of hanging of a kind of shield tunnel China's shield groove |
| CN107013244A (en) * | 2016-01-28 | 2017-08-04 | 江苏华彤新能源科技有限公司 | A kind of interior anchor external conduit fixed form |
| CN105649662A (en) * | 2016-03-01 | 2016-06-08 | 中铁二院工程集团有限责任公司 | Embedded sliding chute anchor leg extension connection member used in tunnel |
| CN108184820A (en) * | 2017-11-29 | 2018-06-22 | 北京林业大学 | A kind of Herbarium clip, specimen cabinet and its fixing means for fixed preparation folder |
| CN108184820B (en) * | 2017-11-29 | 2021-10-12 | 北京林业大学 | Plant specimen clamp, specimen cabinet for fixing specimen clamp and fixing method of specimen cabinet |
| CN108278119A (en) * | 2018-01-17 | 2018-07-13 | 上海市政工程设计研究总院（集团）有限公司 | A kind of lossless fixing device of shield tunnel lane plate electrical installation and installation method |
| CN108757298A (en) * | 2018-05-11 | 2018-11-06 | 上海玻璃钢研究院东台有限公司 | A kind of pre-embedded bolt structure of wind electricity blade blade root |
| CN108757298B (en) * | 2018-05-11 | 2023-05-23 | 上海玻璃钢研究院东台有限公司 | Pre-buried bolt structure of wind-powered electricity generation blade root |
| CN113013816A (en) * | 2021-05-08 | 2021-06-22 | 浙江诺盾消防科技有限公司 | Interval pre-buried spout spool of track traffic |
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