CN106968691A - Improve CD method construction methods in a kind of extremely frigid zones silty clay tunnel - Google Patents
Improve CD method construction methods in a kind of extremely frigid zones silty clay tunnel Download PDFInfo
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- CN106968691A CN106968691A CN201710368826.7A CN201710368826A CN106968691A CN 106968691 A CN106968691 A CN 106968691A CN 201710368826 A CN201710368826 A CN 201710368826A CN 106968691 A CN106968691 A CN 106968691A
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- 238000010276 construction Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000004927 clay Substances 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 238000009412 basement excavation Methods 0.000 claims abstract description 20
- 239000004567 concrete Substances 0.000 claims description 9
- 238000007569 slipcasting Methods 0.000 claims description 6
- 230000005641 tunneling Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000011378 shotcrete Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000002789 length control Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000009415 formwork Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Classifications
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
CD method construction methods are improved the invention discloses a kind of extremely frigid zones silty clay tunnel, the big cross section in tunnel is divided into " C " portion and " D " portion or so Liang Ge caverns using median septum gib, each small cavities are divided into two step steps above and below again, and then four steps of formation are constructed respectively in order.The construction method of the present invention is simple to operate, improve operating efficiency, it is able to ensure that the construction safety of Support System in Soft Rock Tunnels, in particular with a kind of excavation chassis installation steel arch-shelf with steel arch-shelf auxiliary construction function and lay splash guard using a kind of splash guard construction trolley progress of the detachable guard rail of band and ensure that safety, the generation of quality accident is avoided simultaneously, is worthy of popularization.
Description
Technical field
The present invention is to be related to Tunnel Engineering field, more particularly to a kind of extremely frigid zones silty clay tunnel improvement CD method constructions
Method.
Background technology
Tunnel Engineering has the function of overcoming elevation, shorten path, as basic structure form, sent out on each grade road
Wave important effect.But in work progress, in weather more severe cold area in north, constructing tunnel difficulty is special
Greatly, particularly shallow embedding silty clay tunnel, geology and climatic factor bring very big negative to construction safety and progress, quality etc.
Face rings, and the accidents such as sedimentation, roof fall, landslide often occur in work progress, is carried out in the case where being spent subzero 30 more
Winter construction difficulty is very big, and work efficiency is very low.Thus during extremely frigid zones silty clay constructing tunnel, how to solve to apply
The problem of work safety, quality and construction speed is the emphasis of technical staff's research.
The content of the invention
The technical problem to be solved in the present invention is：A kind of extremely frigid zones silty clay tunnel improvement CD method construction parties are provided
Method, the problem of extremely frigid zones silty clay constructing tunnel is can effectively solve the problem that using the present invention, and this method is simple to operate, can be significantly
Operating efficiency is improved, it is ensured that the construction safety of Support System in Soft Rock Tunnels, in particular with a kind of band steel arch-shelf auxiliary construction function
Excavation chassis install steel arch-shelf and using a kind of detachable guard rail of band splash guard construction trolley carry out lay splash guard,
The generation of quality accident is avoided simultaneously, with very strong practicality.
The technical scheme that the present invention solves technical problem is as follows：
A kind of extremely frigid zones silty clay tunnel of present invention improvement CD method construction methods, using median septum gib by tunnel
The big cross section in road is divided into " C " portion and " D " portion or so Liang Ge caverns, and each small cavities are divided into two step steps, i.e., left hole above and below again
Room top bar, left cavern are got out of a predicament or an embarrassing situation, right cavern's top bar and right cavern are got out of a predicament or an embarrassing situation, and are then constructed respectively, it is characterised in that：
Comprise the following steps：
Step 1: perform the advanced conduit slip casting pre support in " C " Bu Zuo caverns arch, then excavate left cavern's top bar and and
When perform the top of left cavern's top bar preliminary bracing and median septum gib；
Step 2: left cavern, which is got out of a predicament or an embarrassing situation, is excavated and is performed in time that preliminary bracing is got out of a predicament or an embarrassing situation by left cavern and median septum is faced
When supporting bottom；
Step 3：Perform the advanced conduit slip casting pre support in " D " Bu You caverns arch, then excavate right cavern's top bar and and
When perform right cavern's top bar preliminary bracing；
Got out of a predicament or an embarrassing situation preliminary bracing Step 4: being got out of a predicament or an embarrassing situation to right cavern and being excavated and performed in time right cavern；
Step 5: performing inverted arch preliminary bracing to get out of a predicament or an embarrassing situation preliminary bracing, left cavern's top bar branch at initial stage with left cavern
Get out of a predicament or an embarrassing situation preliminary bracing, the right cavern's top bar preliminary bracing of shield, right cavern forms closing stress ring early, then pours inverted arch
Concrete；
Step 6: interim median septum is removed in segmentation, it is 5m~7m that length is removed every time, then lays splash guard, then use
Mould of formwork jumbo tunneling boring builds the concrete of secondary lining.
Further, when the step 3 Zhong You caverns top bar is excavated, the area that its face is got out of a predicament or an embarrassing situation with left cavern
The distance between face is controlled within 7m.
Further, the step 4 right cavern is got out of a predicament or an embarrassing situation excavation when, the length that right cavern is got out of a predicament or an embarrassing situation is controlled in 8m
Within.
Further, the step 4 right cavern is got out of a predicament or an embarrassing situation excavation when, control the face that right cavern gets out of a predicament or an embarrassing situation with it is right
The distance of the face of cavern's top bar is more than 5m.
Further, the step one is got out of a predicament or an embarrassing situation initial stage into step 4 to left cavern's top bar preliminary bracing, left cavern
Supporting, left cavern's top bar preliminary bracing and left cavern get out of a predicament or an embarrassing situation preliminary bracing construction include install steel arch-shelf, hang reinforcing bar
Net, installation anchor pole and gunite concrete.
Further, it is described should excavate when steel arch-shelf construction is installed a ring steel arch-shelf apart from the ring steel arch-shelf of supporting one, often
Cyclic advance maximum drilling depth is not more than 0.8m.
Further, the installation steel arch-shelf is applied a kind of excavation chassis with steel arch-shelf auxiliary construction function of utilization of hour and entered
OK；The steel arch-shelf auxiliary construction function of the excavation chassis is realized by following structure, and twice water is increased in the top surface for excavating chassis
The crossbeam one and crossbeam two for the I-steel be arrangeding in parallel；The main support of two channel-section steels is installed with roller bearing connection on the crossbeam two
Beam；The top welding neck of the main support beam, its beam body sets several 3cm circular holes；Two steel are installed on the crossbeam one
Muscle time support beam, the bottom connection end of itself and secondary support beam is loop connecting so that this time support beam can be with up and down, this time
The top of support beam is circumferential support head；When steel arch-shelf being installed using the excavation chassis, it is only necessary to be raised to main support beam properly
Highly, steel arch-shelf is put into neck, secondary support beam is lifted, circumferential support head is inserted into main support beam beam body correct position and justified
In hole, it can thus prop and fixed steel arch rack position is installed.
Further, when splash guard construction is laid in the step 6, a kind of waterproof of the detachable guard rail of band is utilized
Plate construction trolley is carried out, and is realized by installing detachable fence on the construction trolley operating platform；Placing and overlaying anti-
Detachable fence is pulled down during water plate, to ensure the smooth and enough space of the construction trolley top surface；Carrying out splash guard construction
When, the detachable fence is installed, to ensure the safety of workmen.
When the method for the invention is applied in construction, Geological Advanced Prediction should be strengthened, if water in geology advance borehole
It is very big, or TSP, geological radar velocity of wave exception, and when judging that front water content increases according to construction face, then apply
The possibility of work water burst, at this moment should stop tunneling construction, take measures and determine processing scheme in time, while at the beginning of strengthening this section of tunnel
The intensity of phase supporting.The information material obtained before construction and in work progress according to monitoring measurement means is with the side of mathematical statistics
Formula carries out processing, and analysis judges country rock, the stability of supporting, in being timely fed back to design and constructing, optimization design (amendment
The form and parameter of design of its support), guiding construction (method of change construction and take the measure of strengthening supporting).All monitor number
According to by computer management, and draw measuring point displacement change curve.There is the hurried existing of abnormality when displacement-time curve in control
As when, show that country rock-support system now is in instability status, should stop excavating, hazardous location strengthening supporting is ensured
With the safety of excavation section.
Compared with prior art, the present invention has advantages below：(1) it is simple to operate, construction safety, with very strong practicality
Property；(2) steel arch-shelf is installed and using a kind of with detachable anti-using a kind of excavation chassis with steel arch-shelf auxiliary construction function
The splash guard construction trolley of guardrail carries out laying splash guard, and efficiency of construction is high, while avoiding the generation of quality accident.
Brief description of the drawings
Elevational schematic view when Fig. 1 is the method for the invention construction；
Floor map when Fig. 2 is the method for the invention construction；
Fig. 3 is the process chart of the present invention；
Fig. 4 is that the excavation chassis with steel arch-shelf auxiliary construction function does not set up steel arch-shelf auxiliary construction function in the present invention
When structural representation；
Fig. 5 is that the excavation chassis with steel arch-shelf auxiliary construction function does not set up steel arch-shelf auxiliary construction function in the present invention
When side structure schematic diagram；
Fig. 6 is the steel arch-shelf auxiliary construction work(that the excavation chassis top surface with steel arch-shelf auxiliary construction function is set up in the present invention
The structural representation of energy；
When Fig. 7 is that the splash guard construction trolley with detachable guard rail does not set up detachable guard rail in the present invention
Structural representation；
When Fig. 8 is that the splash guard construction trolley with detachable guard rail does not set up detachable guard rail in the present invention
Side structure schematic diagram；
Fig. 9 is the local knot of the splash guard construction trolley operating platform setting fence with detachable guard rail in the present invention
Structure schematic diagram；
In figure：1. the left cavern of left cavern's top bar 2. gets out of a predicament or an embarrassing situation, the 3. right caverns of right cavern's top bar 4. get out of a predicament or an embarrassing situation 5. median septums
The left cavern of the left cavern's top bar gib 7. of gib 6. gets out of a predicament or an embarrassing situation the right cavern's top bar gib 9. of gib 8.
The right cavern roller bearing 23. of 21. main support rod of gib 10. inverted arch preliminary bracing, 11. inverted arch, 12. secondary lining 22. of getting out of a predicament or an embarrassing situation blocks
24. fences of 2 31. operating platform of first 27. crossbeam, one 28. crossbeam of 25. bottom connection end of support bar, 26. circumferential supports 32. of groove.
Embodiment
In order to preferably explain the present invention, come below in conjunction with the accompanying drawings with specific embodiment in the present invention is furture elucidated
Hold, but present disclosure is not limited only to following examples.
As shown in Figures 1 to 5, a kind of extremely frigid zones silty clay tunnel improvement CD method construction methods, are faced using median septum
When supporting 5 big cross section in tunnel is divided into " C " portion and " D " portion or so Liang Ge caverns, each small cavities are divided into two steps above and below again
Step, Ji Zuo caverns top bar 1, left cavern get out of a predicament or an embarrassing situation 2, right cavern's top bar 3 and right cavern gets out of a predicament or an embarrassing situation 4, then carry out respectively
Construction, it is characterised in that：Comprise the following steps：
Step 1: performing the advanced conduit slip casting pre support in " C " Bu Zuo caverns arch, left cavern's top bar 1 is then excavated simultaneously
The top of left cavern's top bar preliminary bracing 6 and median septum gib 5 is performed in time；
2 excavated Step 2: being got out of a predicament or an embarrassing situation to left cavern and perform left cavern in time and got out of a predicament or an embarrassing situation preliminary bracing 7 and median septum
The bottom of gib 5；
Step 3：The advanced conduit slip casting pre support in " D " Bu You caverns arch is performed, right cavern's top bar 3 is then excavated simultaneously
Right cavern's top bar preliminary bracing 8 is performed in time；
4 excavated Step 4: being got out of a predicament or an embarrassing situation to right cavern and perform right cavern in time and got out of a predicament or an embarrassing situation preliminary bracing 9；
Step 5: performing inverted arch preliminary bracing 10 to get out of a predicament or an embarrassing situation preliminary bracing 7, left cavern's top bar initial stage with left cavern
Supporting 6, right cavern get out of a predicament or an embarrassing situation preliminary bracing 9, right cavern's top bar preliminary bracing 8 formed early closing stress ring, then pour
The concrete of inverted arch 11；
Step 6: interim median septum 5 is removed in segmentation, it is 5m~7m that length is removed every time, then lays splash guard, then use
Mould of formwork jumbo tunneling boring builds the concrete of secondary lining 12.
When the cavern of step 3 Zhong You described in the present embodiment top bar 3 is excavated, its face and left cavern get out of a predicament or an embarrassing situation 2 the palm
The distance between sub- face is controlled within 7m.
Step 4 described in the present embodiment right cavern is got out of a predicament or an embarrassing situation 4 excavation when, by right cavern get out of a predicament or an embarrassing situation 4 length control exist
Within 8m.
Step 4 described in the present embodiment right cavern is got out of a predicament or an embarrassing situation 4 excavation when, control right cavern get out of a predicament or an embarrassing situation 4 face with
The distance of the face of right cavern's top bar 3 is more than 5m.
Step one described in the present embodiment is got out of a predicament or an embarrassing situation just into step 4 to left cavern's top bar preliminary bracing 6, left cavern
Phase supporting 7, left cavern's top bar preliminary bracing 8 and left cavern get out of a predicament or an embarrassing situation preliminary bracing 9 construction include install steel arch-shelf, hang
Bar-mat reinforcement, installation anchor pole and gunite concrete.
Should be excavated when steel arch-shelf construction is installed described in the present embodiment a ring steel arch-shelf apart from the ring steel arch-shelf of supporting one, often
Cyclic advance maximum drilling depth is not more than 0.8m.
Steel arch-shelf is installed described in the present embodiment and applies a kind of excavation chassis with steel arch-shelf auxiliary construction function of utilization of hour
Carry out；The steel arch-shelf auxiliary construction function of the excavation chassis is realized by following structure, and twice are increased in the top surface for excavating chassis
The crossbeam 1 and crossbeam 2 28 for the I-steel that horizontal parallel is set；Two grooves are installed with the connection of roller bearing 22 on the crossbeam 2 28
Steel main support beam 21；The top welding neck 23 of the main support beam 21, its beam body sets several 3cm circular holes；The crossbeam
Two reinforcing bars time support beam 24 is installed, the bottom connection end 25 of itself and secondary support beam 24 is loop connecting so that this time on one 27
Support beam 24 can be with up and down, and the top of this support beam 24 is circumferential support first 26；Steel arch is installed using the excavation chassis
During frame, it is only necessary to which main support beam 21 is raised into proper height, steel arch-shelf is put into neck 23, secondary support beam 24 is lifted, will
In the first 26 insertion beam body correct position circular hole of main support beam 21 of circumferential support, it can thus prop and fixed steel arch rack position is entered
Row is installed.
When laying splash guard construction described in the present embodiment in step 6, a kind of waterproof of the detachable guard rail of band is utilized
Plate construction trolley is carried out, and is realized by installing detachable fence 32 on the operating platform 31 of construction trolley；In placement and in advance
Detachable fence 32 is pulled down during paving splash guard, to ensure the smooth and enough space of the construction trolley top surface；Carrying out waterproof
When plate is constructed, the detachable fence 32 is installed, to ensure the safety of workmen.
Claims (8)
1. CD method construction methods are improved in a kind of extremely frigid zones silty clay tunnel, using median septum gib (5) by tunnel
Big cross section is divided into " C " portion and " D " portion or so Liang Ge caverns, and each cavern is divided into two step steps above and below again, and Ji Zuo caverns appear on the stage
Rank (1), left cavern are got out of a predicament or an embarrassing situation (2), right cavern's top bar (3) and right cavern are got out of a predicament or an embarrassing situation (4), are then constructed respectively, and it is special
Levy and be：Comprise the following steps：
Step 1: perform the advanced conduit slip casting pre support in " C " Bu Zuo caverns arch, then excavate left cavern's top bar (1) and and
When perform the top of left cavern's top bar preliminary bracing (6) and median septum gib (5)；
Step 2: left cavern is got out of a predicament or an embarrassing situation (2) excavated and perform left cavern in time and got out of a predicament or an embarrassing situation preliminary bracing (7) and median septum
The bottom of gib (5)；
Step 3：Perform the advanced conduit slip casting pre support in " D " Bu You caverns arch, then excavate right cavern's top bar (3) and and
When perform right cavern's top bar preliminary bracing (8)；
Step 4: right cavern is got out of a predicament or an embarrassing situation (4) excavated and perform right cavern in time and got out of a predicament or an embarrassing situation preliminary bracing (9)；
Step 5: performing inverted arch preliminary bracing (10) to get out of a predicament or an embarrassing situation preliminary bracing (7), left cavern's top bar initial stage with left cavern
Supporting (6), right cavern get out of a predicament or an embarrassing situation preliminary bracing (9), right cavern's top bar preliminary bracing (8) formed early closing stress ring, so
The concrete of after-pouring inverted arch (11)；
Step 6: interim median septum (5) is removed in segmentation, it is 5m~7m that length is removed every time, then lays splash guard, then using mould
Mould of pallet car tunneling boring builds the concrete of secondary lining (12).
2. CD method construction methods are improved in a kind of extremely frigid zones silty clay tunnel according to claim 1, it is characterised in that：Institute
When stating step 3 Zhong You caverns top bar (3) and excavating, its face and left cavern get out of a predicament or an embarrassing situation the distance between the face control of (2)
System is within 7m.
3. CD method construction methods are improved in a kind of extremely frigid zones silty clay tunnel according to claim 1, it is characterised in that：Institute
State step 4 right cavern is got out of a predicament or an embarrassing situation (4) excavate when, by right cavern get out of a predicament or an embarrassing situation (4) length control within 8m.
4. CD method construction methods are improved in a kind of extremely frigid zones silty clay tunnel according to claim 1, it is characterised in that：Institute
State step 4 and (4) got out of a predicament or an embarrassing situation to right cavern when excavating, control right cavern get out of a predicament or an embarrassing situation (4) face and right cavern's top bar (3)
Face distance be more than 5m.
5. CD method construction methods are improved in a kind of extremely frigid zones silty clay tunnel according to claim 1, it is characterised in that：Institute
State step one left cavern's top bar preliminary bracing (6), left cavern are got out of a predicament or an embarrassing situation into step 4 preliminary bracing (7), in left cavern
Step preliminary bracing (8) and left cavern get out of a predicament or an embarrassing situation preliminary bracing (9) construction include install steel arch-shelf, hang bar-mat reinforcement, install
Anchor pole and gunite concrete.
6. CD method construction methods are improved in a kind of extremely frigid zones silty clay tunnel according to claim 5, it is characterised in that：Institute
State should be excavated when steel arch-shelf construction is installed a ring steel arch-shelf apart from the ring steel arch-shelf of supporting one, per cyclic advance, maximum drilling depth is little
In 0.8m.
7. a kind of extremely frigid zones silty clay tunnel improvement CD method construction methods according to claim 5 or 6, its feature exists
In：The steel arch-shelf of installing applies a kind of excavation chassis progress with steel arch-shelf auxiliary construction function of utilization of hour；The excavation chassis
Steel arch-shelf auxiliary construction function realized by following structure, the work set in the top surface increase twice horizontal parallel for excavating chassis
The crossbeam one (27) and crossbeam two (28) of word steel；The main support of two channel-section steels is installed with roller bearing (22) connection on the crossbeam two (28)
Beam (21)；The top welding neck (23) of the main support beam (21), its beam body sets several 3cm circular holes；The crossbeam one
(27) two reinforcing bars time support beam (24) is installed, the bottom connection end (25) of itself and secondary support beam (24) is loop connecting, is made on
Obtaining this support beam (24) can be with up and down, and the top of this support beam (24) is circumferential support head (26)；Utilize the excavation
, will be secondary when chassis installs steel arch-shelf, it is only necessary to main support beam (21) is raised into proper height, steel arch-shelf is put into neck (23)
Support beam (24) is lifted, and circumferential support head (26) is inserted in main support beam (21) beam body correct position circular hole, thus can be with
Prop and fix steel arch rack position and installed.
8. CD method construction methods are improved in a kind of extremely frigid zones silty clay tunnel according to claim 1, it is characterised in that：Institute
State laid in step 6 splash guard construction when, using a kind of detachable guard rail of band splash guard construction trolley carry out, pass through
Detachable fence (32) is installed on operating platform (31) to realize；Detachable fence is pulled down when placing and overlaying splash guard
(32), the smooth and enough space of the construction trolley top surface is ensured；When carrying out splash guard construction, by the detachable fence
(32) install, to ensure the safety of workmen.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575236A (en) * | 2017-09-27 | 2018-01-12 | 中铁十局集团城市轨道交通工程有限公司 | A kind of excavation construction method of Tunnel Engineering |
| CN108131143A (en) * | 2017-12-01 | 2018-06-08 | 长安大学 | A kind of construction method of super-span tunnel top bar CD methods |
| CN108533274A (en) * | 2018-04-28 | 2018-09-14 | 四川公路桥梁建设集团有限公司 | Intelligent protection excavation trolley |
| CN108708739A (en) * | 2018-04-12 | 2018-10-26 | 中铁四局集团有限公司 | Shallow-buried exposed construction method suitable for ultra-large section hard rock tunnel |
| CN110043269A (en) * | 2019-05-05 | 2019-07-23 | 中交第三航务工程局有限公司 | A kind of excavation construction process of freeway tunnel barrel |
| CN110725687A (en) * | 2019-11-26 | 2020-01-24 | 中国十七冶集团有限公司 | Construction method for circularly excavating tunnel by adopting left-right branch division |
| CN112943260A (en) * | 2020-11-13 | 2021-06-11 | 上海宝冶集团有限公司 | Tunnel middle partition wall step excavation method |
| CN113982602A (en) * | 2021-10-26 | 2022-01-28 | 重庆城建控股(集团)有限责任公司 | Tunnel construction method based on longitudinal and transverse pilot tunnel combination |
| CN114233300A (en) * | 2021-12-29 | 2022-03-25 | 广西路建工程集团有限公司 | A construction method for one-way excavation of a tunnel near the entrance of the tunnel |
| CN115949411A (en) * | 2023-02-24 | 2023-04-11 | 中国十七冶集团有限公司 | Construction method of large-section weak surrounding rock tunnel |
| CN116044414A (en) * | 2022-12-15 | 2023-05-02 | 中铁五局集团华南工程有限责任公司 | Construction method and structure for micro-step CD reserved core soil of shallow-buried tunnel of weak surrounding rock |
| CN118793446A (en) * | 2024-09-12 | 2024-10-18 | 中电建建筑集团有限公司 | An excavation method based on soft surrounding rock tunnel construction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03129097A (en) * | 1989-10-13 | 1991-06-03 | Mitsui Constr Co Ltd | Formation of cover |
| CN101230785A (en) * | 2008-02-22 | 2008-07-30 | 中铁二局股份有限公司 | Construction method for large section and multiple sections tunnel lining |
| CN204476432U (en) * | 2015-02-10 | 2015-07-15 | 中国铁建大桥工程局集团有限公司 | A kind of railway tunnel splash guard laying apparatus |
| CN205000979U (en) * | 2015-10-08 | 2016-01-27 | 湖南科技大学 | Steel bow member jacking strutting arrangement of tunnel hunch portion |
| CN105941084A (en) * | 2016-07-08 | 2016-09-21 | 张家口市农业科学院 | Movable type Y-shaped grape trellis |
| CN106089258A (en) * | 2016-08-24 | 2016-11-09 | 重庆工商职业学院 | Tunnel device and construction method |
-
2017
- 2017-05-23 CN CN201710368826.7A patent/CN106968691A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03129097A (en) * | 1989-10-13 | 1991-06-03 | Mitsui Constr Co Ltd | Formation of cover |
| CN101230785A (en) * | 2008-02-22 | 2008-07-30 | 中铁二局股份有限公司 | Construction method for large section and multiple sections tunnel lining |
| CN204476432U (en) * | 2015-02-10 | 2015-07-15 | 中国铁建大桥工程局集团有限公司 | A kind of railway tunnel splash guard laying apparatus |
| CN205000979U (en) * | 2015-10-08 | 2016-01-27 | 湖南科技大学 | Steel bow member jacking strutting arrangement of tunnel hunch portion |
| CN105941084A (en) * | 2016-07-08 | 2016-09-21 | 张家口市农业科学院 | Movable type Y-shaped grape trellis |
| CN106089258A (en) * | 2016-08-24 | 2016-11-09 | 重庆工商职业学院 | Tunnel device and construction method |
Non-Patent Citations (1)
| Title |
|---|
| 吴康: "CD法隧道开挖施工技术探讨", 《价值工程》 * |
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| CN108131143A (en) * | 2017-12-01 | 2018-06-08 | 长安大学 | A kind of construction method of super-span tunnel top bar CD methods |
| CN108708739A (en) * | 2018-04-12 | 2018-10-26 | 中铁四局集团有限公司 | Shallow-buried exposed construction method suitable for ultra-large section hard rock tunnel |
| CN108708739B (en) * | 2018-04-12 | 2019-07-26 | 中铁四局集团有限公司 | A shallow-buried and exposed construction method suitable for super-large cross-section hard rock tunnels |
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| CN110725687A (en) * | 2019-11-26 | 2020-01-24 | 中国十七冶集团有限公司 | Construction method for circularly excavating tunnel by adopting left-right branch division |
| CN112943260A (en) * | 2020-11-13 | 2021-06-11 | 上海宝冶集团有限公司 | Tunnel middle partition wall step excavation method |
| CN113982602A (en) * | 2021-10-26 | 2022-01-28 | 重庆城建控股(集团)有限责任公司 | Tunnel construction method based on longitudinal and transverse pilot tunnel combination |
| CN114233300A (en) * | 2021-12-29 | 2022-03-25 | 广西路建工程集团有限公司 | A construction method for one-way excavation of a tunnel near the entrance of the tunnel |
| CN116044414A (en) * | 2022-12-15 | 2023-05-02 | 中铁五局集团华南工程有限责任公司 | Construction method and structure for micro-step CD reserved core soil of shallow-buried tunnel of weak surrounding rock |
| CN115949411A (en) * | 2023-02-24 | 2023-04-11 | 中国十七冶集团有限公司 | Construction method of large-section weak surrounding rock tunnel |
| CN118793446A (en) * | 2024-09-12 | 2024-10-18 | 中电建建筑集团有限公司 | An excavation method based on soft surrounding rock tunnel construction |
| CN118793446B (en) * | 2024-09-12 | 2024-11-26 | 中电建建筑集团有限公司 | Excavation method based on weak surrounding rock tunnel construction |
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Application publication date: 20170721 |