CN107420115A - A kind of shallow-depth-excavation tunnel fall changes arch processing unit and its processing method - Google Patents
A kind of shallow-depth-excavation tunnel fall changes arch processing unit and its processing method Download PDFInfo
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- CN107420115A CN107420115A CN201710342983.0A CN201710342983A CN107420115A CN 107420115 A CN107420115 A CN 107420115A CN 201710342983 A CN201710342983 A CN 201710342983A CN 107420115 A CN107420115 A CN 107420115A
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 39
- 238000012545 processing Methods 0.000 title claims abstract description 22
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 114
- 239000010959 steel Substances 0.000 claims abstract description 114
- 238000009434 installation Methods 0.000 claims abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 11
- 239000004568 cement Substances 0.000 claims description 14
- 239000002689 soil Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 239000011378 shotcrete Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims description 3
- 244000144977 poultry Species 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000002352 surface water Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 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
-
- 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of shallow-depth-excavation tunnel fall to change arch processing unit, including below massif pitfall and for Shed-pipe Advanced Support, the vault steel arch-shelf below Shed-pipe Advanced Support, the haunch steel arch-shelf being connected with vault steel arch-shelf both sides, the inverted arch steel arch-shelf being connected with the haunch steel arch-shelf bottom of vault steel arch-shelf both sides of supporting massif, the inner bottom part of inverted arch steel arch-shelf has poured inverted arch concrete, and the inner side of vault steel arch-shelf and haunch steel arch-shelf has poured secondary lining concrete；Vault steel arch-shelf, haunch steel arch-shelf, the installation connection of inverted arch steel arch-shelf form closed hoop structure.The shallow-depth-excavation tunnel fall changes arch processing unit and its processing method after tunnel generation fall accident, can obtain timely and effectively technical finesse, it is ensured that construction quality and construction safety.
Description
Technical field
The present invention relates to a kind of technical field of mountain tunnel shallow burial hidden digging construction, especially mainly for shallow buried covered excavation
Tunnel, after excavating stage massif and fall occurs, how to handle a kind of shallow embedding that landslide section and vault sinking section propose
Bored tunnel fall changes arch processing unit and its processing method.
Background technology
Mountain tunnel, particularly those height above sea level are not high, buried depth is shallower short and small tunnel when being excavated using benching tunnelling method, due to
Up/down steps are too long for gap, and inverted arch bow member is installed not in time, and arch ring can not close as early as possible, the reasons such as secondary lining does not catch up with, then
Rainy season construction is met, rainwater is largely assembled in massif, and vault load-bearing increases severely, and it is common engineering that the landslide of roof fall formula, which occurs, for tunnel
Accident.
The direct result that tunnel occurs to present after fall is that mountain upper ground surface huge pitfall occurs, and a large amount of soil bodys pour in
In hole, landslide Duan Chuzhi steelframe almost all collapses, and landslide section front and rear sides vault sinking, first branch steelframe invades tunnel clearance circle
Limit.
The method for handling such Tunnel Landslide accident is more, but treatment effect is very different, cannot definitely protect safely
Card.For standard construction, improve treatment effect, improve operating efficiency, increase safety guarantee, research and probe is a kind of safely and effectively,
Practicable tunnel fall changes arch handling process to be had very for the construction risk for reducing shallow buried covered excavation mountain tunnel
Important meaning.
The content of the invention
It is an object of the invention to solve the shortcomings that above-mentioned prior art and deficiency, there is provided a kind of shallow-depth-excavation tunnel roof fall
Arch processing unit and its processing method are changed in landslide, and the shallow-depth-excavation tunnel fall changes arch processing unit and its processing method energy
It is enough that shallow buried covered excavation mountain tunnel is carried out after fall accident occurs, timely and effectively technical finesse can be obtained, it is ensured that work
Cheng Zhiliang and construction safety, safety reliability is high, construction quality is guaranteed.
The present invention solve technical scheme that its technical problem uses for：A kind of shallow-depth-excavation tunnel fall changes arch processing
Device, including positioned at massif pitfall lower section and the Shed-pipe Advanced Support for supporting massif, the vault steel arch below Shed-pipe Advanced Support
Frame, the haunch steel arch-shelf being connected with vault steel arch-shelf both sides, face upward with what the haunch steel arch-shelf bottom of vault steel arch-shelf both sides was connected
Encircle steel arch-shelf, the inner bottom part of inverted arch steel arch-shelf has poured inverted arch concrete, and the inner side of vault steel arch-shelf and haunch steel arch-shelf is poured
Secondary lining concrete is built；Vault steel arch-shelf, haunch steel arch-shelf, the installation connection of inverted arch steel arch-shelf form closed hoop structure.
Further, the Shed-pipe Advanced Support top, which has poured, is oriented to wall or is erected with guiding trestle, and Shed-pipe Advanced Support is provided with pipe
Canopy drills；It is oriented to wall or guiding trestle is able to ensure that the drilling of pipe canopy without departing from supporting scope.
Further, after described vault steel arch-shelf, haunch steel arch-shelf, the installation of inverted arch steel arch-shelf are connected and inverted arch mixes
Closely coupled integral type closed hoop structure is formed after solidifying soil and secondary lining concreting, after ensureing each steel arch-shelf cyclization
Supporting is strong.
Further, the pipe canopy of described Shed-pipe Advanced Support use a diameter of 108mm, wall thickness for 6mm hot rolled seamless steel tube,
The supporting length of Shed-pipe Advanced Support exceeds 5~8m of process range.
It is in addition, the invention further relates to a kind of shallow-depth-excavation tunnel fall to change arch processing method, the step of the processing：
（1）Massif pitfall backfills：After fall occurs for tunnel, that reconnoitres massif original ground first collapses scope, is fallen into massif
Set up a cordon around hole, and protection network is set, prevent that people and poultry crash into pitfall on mountain；Excavate and intercept water on massif pitfall periphery
Ditch, prevent surface water from importing in massif pitfall, penetrate into tunnel, secondary landslide occurs；After execution conditions possess, using cement or water
Soil backfills massif pitfall, often backfills one layer, and appropriate water must be sprayed into massif pitfall, ensures that cement or soil cement can be hard
Change, if rain work, watering link can be removed from；
（2）Shed-pipe Advanced Support：Should first construct to be formed before the drilling of pipe canopy and be oriented to wall or set up guiding trestle, pipe canopy using diameter 108mm,
Wall thickness 6mm hot rolled seamless steel tube, supporting length exceed 5~8m of process range, to carrying out slurries in hot rolled seamless steel tube to full
Full closely knit, final grouting pressure is not less than 1.0MPa；
（3）Haunch excavates and the installation of haunch steel arch-shelf：After pipe canopy strength of cement grout reaches design strength, tunnel is excavated by Pin slottings
Road both sides haunch part, installation haunch steel arch-shelf and combined bolting and shotcrete synchronous coordination are carried out, and make the arch springing and lock pin of haunch steel arch-shelf
Anchor tube firm welding；
（4）Inverted arch excavates and the installation of inverted arch steel arch-shelf：Inverted arch is excavated in slotting, installs inverted arch steel arch-shelf, makes inverted arch steel arch-shelf and arch
Waist steel arch-shelf firmly connects；
（5）Vault excavates and the installation of vault steel arch-shelf：Vault, installation vault steel arch-shelf and combined bolting and shotcrete are excavated by Pin slottings, it is complete
Into the connection with haunch steel arch-shelf, haunch steel arch-shelf, inverted arch steel arch-shelf and vault steel arch-shelf is set to be closed into the steel arch circle of ring-type；
（6）Inverted arch concreting：Excavation supporting often complete four circulation, Excavation Length about 2m, inverted arch concreting once,
Or situation of change can be restrained according to country rock, adjust inverted arch concreting length；
（7）Secondary lining：After inverted arch concreting length reaches the length of a lining trolley, secondary lining of constructing is secondary
After the completion of lining cutting, construction is completed, processing terminates.
Further, described step（3）In, haunch is excavated and haunch steel arch-shelf is arranged on before preliminary bracing construction,
Lining trolley is promoted into the scope of operation, serves as the emergent protection place of operating personnel；Excavation uses slotting local excavation, reduces as far as possible
Disturbance to the periphery soil body.
Further, the step（7）In secondary lining should carry out after the inverted arch concrete, shorten secondary lining as far as possible
Build the distance between excavation face.
In summary, shallow-depth-excavation tunnel fall of the invention changes arch processing unit and its processing method with as follows
Advantage：
（1）Using cement or cement earthen backfill massif pitfall, massif pitfall periphery soil strength is improved, increases its stability, has
The effect prevention secondary landslide in tunnel；
（2）Using the reliable Shed-pipe Advanced Support of supporting, change arch process for follow-up excavation and carry arch safety work barrier, and utilize lining cutting platform
Car protects place as emergent, the life security of operating personnel is protected；
（3）Ring structure is closed into using each steel arch-shelf, with reference to the scheme of inverted arch concrete and secondary lining, effectively enhanced just
The rigidity of phase supporting arch ring, the deformation of country rock are controlled, and then improve the resistance to overturning in tunnel.
Brief description of the drawings
Below in conjunction with the accompanying drawings, and by reference to following detailed description, the present invention will be better understood and understand its advantage
And feature, accompanying drawing are used to illustrate the present invention, are not intended to limit the present invention；Representing the accompanying drawing of structure may be not necessarily drawn to scale；And
And in accompanying drawing, same or similar element indicates same or similar label：
Fig. 1 is the schematic cross-sectional view that a kind of shallow-depth-excavation tunnel fall of the present invention changes arch processing unit；
Fig. 2 is that a kind of shallow-depth-excavation tunnel fall of the present invention changes schematic diagram of the arch processing unit in tunnel.
Embodiment
Embodiment 1
A kind of shallow-depth-excavation tunnel fall described described in the present embodiment 1 changes arch processing unit, as depicted in figs. 1 and 2, bag
Include positioned at the lower section of massif pitfall 1 and the Shed-pipe Advanced Support 2 for supporting massif, the vault steel arch-shelf 5 below Shed-pipe Advanced Support, with
The haunch steel arch-shelf 3 of vault steel arch-shelf both sides connection, the inverted arch steel being connected with the haunch steel arch-shelf bottom of vault steel arch-shelf both sides
Bow member 4, the inner bottom part of inverted arch steel arch-shelf have poured inverted arch concrete 6, and the inner side of vault steel arch-shelf and haunch steel arch-shelf pours
There is secondary lining concrete seven；Vault steel arch-shelf, haunch steel arch-shelf, the installation connection of inverted arch steel arch-shelf form closed hoop structure.
The Shed-pipe Advanced Support top, which has poured, to be oriented to wall or is erected with guiding trestle, and Shed-pipe Advanced Support drills provided with pipe canopy；It is oriented to
Wall or guiding trestle are able to ensure that the drilling of pipe canopy without departing from supporting scope.
The vault steel arch-shelf, haunch steel arch-shelf, inverted arch steel arch-shelf installation be connected after and inverted arch concrete and secondary lining
Building concrete forms closely coupled integral type closed hoop structure after pouring, supporting is strong after ensureing each steel arch-shelf cyclization.
The pipe canopy of the Shed-pipe Advanced Support uses a diameter of 108mm, wall thickness as 6mm hot rolled seamless steel tube, the branch of Shed-pipe Advanced Support
Shield length exceeds 5~8m of process range.
It is in addition, the invention further relates to a kind of shallow-depth-excavation tunnel fall to change arch processing method, the step of the processing：
（1）Massif pitfall backfills：After fall occurs for tunnel, that reconnoitres massif original ground first collapses scope, is fallen into massif
Set up a cordon around hole, and protection network is set, prevent that people and poultry crash into pitfall on mountain；Excavate and intercept water on massif pitfall periphery
Ditch, prevent surface water from importing in massif pitfall, penetrate into tunnel, secondary landslide occurs；After execution conditions possess, using cement or water
Soil backfills massif pitfall, often backfills one layer, and appropriate water must be sprayed into massif pitfall, ensures that cement or soil cement can be hard
Change, if rain work, watering link can be removed from；
（2）Shed-pipe Advanced Support：Should first construct to be formed before the drilling of pipe canopy and be oriented to wall or set up guiding trestle, pipe canopy using diameter 108mm,
Wall thickness 6mm hot rolled seamless steel tube, supporting length exceed 5~8m of process range, to carrying out slurries in hot rolled seamless steel tube to full
Full closely knit, final grouting pressure is not less than 1.0MPa；
（3）Haunch excavates and the installation of haunch steel arch-shelf：After pipe canopy strength of cement grout reaches design strength, tunnel is excavated by Pin slottings
Road both sides haunch part, installation haunch steel arch-shelf and combined bolting and shotcrete synchronous coordination are carried out, and make the arch springing and lock pin of haunch steel arch-shelf
Anchor tube firm welding；
（4）Inverted arch excavates and the installation of inverted arch steel arch-shelf：Inverted arch is excavated in slotting, installs inverted arch steel arch-shelf, makes inverted arch steel arch-shelf and arch
Waist steel arch-shelf firmly connects；
（5）Vault excavates and the installation of vault steel arch-shelf：Vault, installation vault steel arch-shelf and combined bolting and shotcrete are excavated by Pin slottings, it is complete
Into the connection with haunch steel arch-shelf, haunch steel arch-shelf, inverted arch steel arch-shelf and vault steel arch-shelf is set to be closed into the steel arch circle of ring-type；
（6）Inverted arch concreting：Excavation supporting often complete four circulation, Excavation Length about 2m, inverted arch concreting once,
Or situation of change can be restrained according to country rock, adjust inverted arch concreting length；
（7）Secondary lining：After inverted arch concreting length reaches the length of a lining trolley, secondary lining of constructing is secondary
After the completion of lining cutting, construction is completed, processing terminates.
The step（3）In, haunch is excavated and haunch steel arch-shelf is arranged on before preliminary bracing construction, and lining trolley 8 is pushed away
Enter the scope of operation, serve as the emergent protection place of operating personnel；Excavation uses slotting local excavation, reduces as far as possible to the periphery soil body
Disturbance.
The step（7）In secondary lining should carry out after the inverted arch concrete, shorten secondary lining and excavation face as far as possible
The distance between.
Label 9 in Fig. 2 is expressed as vault sinking end, and label 10 is expressed as the region that caves in, and table 11 is expressed as face, marks
Numbers 12 are expressed as IV grade of country rock.
The above described is only a preferred embodiment of the present invention, not the structure of the present invention is made any formal
Limitation.Any simple modification, equivalent change and modification that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (7)
1. a kind of shallow-depth-excavation tunnel fall changes arch processing unit, it is characterised in that including below the massif pitfall simultaneously
Shed-pipe Advanced Support for supporting massif, the vault steel arch-shelf below Shed-pipe Advanced Support, the arch being connected with vault steel arch-shelf both sides
Waist steel arch-shelf, the inverted arch steel arch-shelf being connected with the haunch steel arch-shelf bottom of vault steel arch-shelf both sides, the inner bottom part of inverted arch steel arch-shelf
Inverted arch concrete is poured, the inner side of vault steel arch-shelf and haunch steel arch-shelf has poured secondary lining concrete；Vault steel arch
Frame, haunch steel arch-shelf, the installation connection of inverted arch steel arch-shelf form closed hoop structure.
2. a kind of shallow-depth-excavation tunnel fall according to claim 1 changes arch processing unit, it is characterised in that described
Shed-pipe Advanced Support top, which has poured, to be oriented to wall or is erected with guiding trestle, and Shed-pipe Advanced Support drills provided with pipe canopy.
3. a kind of shallow-depth-excavation tunnel fall according to claim 2 changes arch processing unit, it is characterised in that described
Vault steel arch-shelf, haunch steel arch-shelf, inverted arch steel arch-shelf installation be connected after and inverted arch concrete and secondary lining concrete
Closely coupled integral type closed hoop structure is formed after pouring.
4. a kind of shallow-depth-excavation tunnel fall according to claim 3 changes arch processing unit, it is characterised in that described
The pipe canopy of Shed-pipe Advanced Support use a diameter of 108mm, wall thickness the supporting length of Shed-pipe Advanced Support surpass for 6mm hot rolled seamless steel tube
Go out 5~8m of process range.
5. a kind of shallow-depth-excavation tunnel fall changes arch processing method, it is characterised in that is the step of the processing：
（1）Massif pitfall backfills：After fall occurs for tunnel, that reconnoitres massif original ground first collapses scope, is fallen into massif
Set up a cordon around hole, and protection network is set, prevent that people and poultry crash into pitfall on mountain；Excavate and intercept water on massif pitfall periphery
Ditch, prevent surface water from importing in massif pitfall, penetrate into tunnel, secondary landslide occurs；After execution conditions possess, using cement or water
Soil backfills massif pitfall, often backfills one layer, and appropriate water must be sprayed into massif pitfall, ensures that cement or soil cement can be hard
Change, if rain work, watering link can be removed from；
（2）Shed-pipe Advanced Support：Should first construct to be formed before the drilling of pipe canopy and be oriented to wall or set up guiding trestle, pipe canopy using diameter 108mm,
Wall thickness 6mm hot rolled seamless steel tube, supporting length exceed 5~8m of process range, to carrying out slurries in hot rolled seamless steel tube to full
Full closely knit, final grouting pressure is not less than 1.0MPa；
（3）Haunch excavates and the installation of haunch steel arch-shelf：After pipe canopy strength of cement grout reaches design strength, tunnel is excavated by Pin slottings
Road both sides haunch part, installation haunch steel arch-shelf and combined bolting and shotcrete synchronous coordination are carried out, and make the arch springing and lock pin of haunch steel arch-shelf
Anchor tube firm welding；
（4）Inverted arch excavates and the installation of inverted arch steel arch-shelf：Inverted arch is excavated in slotting, installs inverted arch steel arch-shelf, makes inverted arch steel arch-shelf and arch
Waist steel arch-shelf firmly connects；
（5）Vault excavates and the installation of vault steel arch-shelf：Vault, installation vault steel arch-shelf and combined bolting and shotcrete are excavated by Pin slottings, it is complete
Into the connection with haunch steel arch-shelf, haunch steel arch-shelf, inverted arch steel arch-shelf and vault steel arch-shelf is set to be closed into the steel arch circle of ring-type；
（6）Inverted arch concreting：Excavation supporting often complete four circulation, Excavation Length about 2m, inverted arch concreting once,
Or situation of change can be restrained according to country rock, adjust inverted arch concreting length；
（7）Secondary lining：After inverted arch concreting length reaches the length of a lining trolley, secondary lining of constructing is secondary
After the completion of lining cutting, construction is completed, processing terminates.
6. described a kind of shallow-depth-excavation tunnel fall according to claim 5 changes arch processing method, it is characterised in that institute
The step of stating（3）In, haunch is excavated and haunch steel arch-shelf is arranged on before preliminary bracing construction, and lining trolley is promoted into operation
Face, serve as the emergent protection place of operating personnel；Excavation uses slotting local excavation, reduces the disturbance to the periphery soil body as far as possible.
7. described a kind of shallow-depth-excavation tunnel fall according to claim 6 changes arch processing method, it is characterised in that institute
State step（7）In secondary lining should carry out after the inverted arch concrete, shorten as far as possible between secondary lining and excavation face away from
From.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710342983.0A CN107420115A (en) | 2017-05-16 | 2017-05-16 | A kind of shallow-depth-excavation tunnel fall changes arch processing unit and its processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710342983.0A CN107420115A (en) | 2017-05-16 | 2017-05-16 | A kind of shallow-depth-excavation tunnel fall changes arch processing unit and its processing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561156A (en) * | 2018-04-30 | 2018-09-21 | 安徽省公路桥梁工程有限公司 | Separate tunnel changes arch supporting construction and its construction method |
| CN108798718A (en) * | 2018-07-09 | 2018-11-13 | 中铁十七局集团第四工程有限公司 | Subsequent grouting method is held before tunnel |
| CN108843344A (en) * | 2018-06-05 | 2018-11-20 | 中铁二局集团有限公司 | One kind is collapsed the closely knit dam filling construction of chamber |
| CN111779510A (en) * | 2020-08-05 | 2020-10-16 | 湖南科技大学 | A method of arch-replacing for primary branch encroachment limit of high liquid limit red clay surrounding rock tunnel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11303592A (en) * | 1998-04-17 | 1999-11-02 | Shimizu Corp | Multiple support construction method |
| JP2010090607A (en) * | 2008-10-08 | 2010-04-22 | Taisei Corp | Method for constructing tunnel and structure of the tunnel |
| CN203547760U (en) * | 2013-10-23 | 2014-04-16 | 中铁二院工程集团有限责任公司 | Base weak stratum channel bent wall belt flat base inverted arch lining structure |
| CN106437760A (en) * | 2016-07-20 | 2017-02-22 | 中铁二院工程集团有限责任公司 | Large-section tunnel novel multi-layer lining structure |
| CN207177920U (en) * | 2017-05-16 | 2018-04-03 | 江门市政企业集团有限公司 | A kind of shallow-depth-excavation tunnel fall changes arch processing unit |
-
2017
- 2017-05-16 CN CN201710342983.0A patent/CN107420115A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11303592A (en) * | 1998-04-17 | 1999-11-02 | Shimizu Corp | Multiple support construction method |
| JP2010090607A (en) * | 2008-10-08 | 2010-04-22 | Taisei Corp | Method for constructing tunnel and structure of the tunnel |
| CN203547760U (en) * | 2013-10-23 | 2014-04-16 | 中铁二院工程集团有限责任公司 | Base weak stratum channel bent wall belt flat base inverted arch lining structure |
| CN106437760A (en) * | 2016-07-20 | 2017-02-22 | 中铁二院工程集团有限责任公司 | Large-section tunnel novel multi-layer lining structure |
| CN207177920U (en) * | 2017-05-16 | 2018-04-03 | 江门市政企业集团有限公司 | A kind of shallow-depth-excavation tunnel fall changes arch processing unit |
Non-Patent Citations (1)
| Title |
|---|
| 钟国等: "蛟岭隧道洞口暗挖段塌方处理", 《科技资讯》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561156A (en) * | 2018-04-30 | 2018-09-21 | 安徽省公路桥梁工程有限公司 | Separate tunnel changes arch supporting construction and its construction method |
| CN108561156B (en) * | 2018-04-30 | 2024-03-19 | 安徽省公路桥梁工程有限公司 | Separated tunnel arch-changing supporting structure and construction method thereof |
| CN108843344A (en) * | 2018-06-05 | 2018-11-20 | 中铁二局集团有限公司 | One kind is collapsed the closely knit dam filling construction of chamber |
| CN108798718A (en) * | 2018-07-09 | 2018-11-13 | 中铁十七局集团第四工程有限公司 | Subsequent grouting method is held before tunnel |
| CN111779510A (en) * | 2020-08-05 | 2020-10-16 | 湖南科技大学 | A method of arch-replacing for primary branch encroachment limit of high liquid limit red clay surrounding rock tunnel |
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Application publication date: 20171201 |
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