CN106437748A - Separated maintainable tunnel lining structure - Google Patents
Separated maintainable tunnel lining structure Download PDFInfo
- Publication number
- CN106437748A CN106437748A CN201610409541.9A CN201610409541A CN106437748A CN 106437748 A CN106437748 A CN 106437748A CN 201610409541 A CN201610409541 A CN 201610409541A CN 106437748 A CN106437748 A CN 106437748A
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- CN
- China
- Prior art keywords
- tunnel
- wall
- lining
- arch
- base plate
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000009412 basement excavation Methods 0.000 claims description 6
- 239000004746 geotextile Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract 2
- 239000004567 concrete Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 239000003673 groundwater Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007717 exclusion Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 206010030113 Oedema Diseases 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- 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
- E21D11/04—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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a separated maintainable tunnel lining structure to effectively avoid the phenomenon that a side wall structure is fractured and damaged due to the fact that underground water soars in rain-flood seasons but the discharge capacity is insufficient, improve the hydraulic pressure and floating resistant capacity of the lining structure and reduce the damage risks of underground water in rain-flood seasons to the lining structure, especially a tunnel bottom structure. The separated maintainable tunnel lining structure comprises an arch wall primary supporting structure, a water prevention and discharge system and a lining structure body which are arranged from outside to inside. The lining structure body comprises a secondary arch lining, a side wall frame supporting structure, a filling wall and a tunnel bottom pile-plate structure. The tunnel bottom pile-plate structure comprises a base plate laid on a base confining bed and anchorage piles longitudinally and transversely arranged along a tunnel at intervals. The upper ends of the anchorage piles are fixedly connected with the base plate. The two circumferential ends of the water prevention and discharge system lead to longitudinal drainage ditches formed in the two transverse sides of the base plate.
Description
Technical field
The present invention relates to tunnel lining structure, more particularly to a kind of hard rock tunnel for applying to subsoil water development or karst
The separate type in area can keep in repair tunnel lining structure.
Background technology
Entrance 21st century comes, with railway construction in China high speed development, the above high standard double track railway of speed per hour 200km
Build more and more, especially in western mountainous areas, circuit show line is by many factors such as big, the topographic and geologic complicated conditions of sweep
Restriction, length of tunnel, scale increase sharply.Especially in karst area, as karst and subsoil water development are with complexity, various
Property and the features such as irregularities, major long tunnel runs water damage risk more and more higher.
In recent years, suitable ten thousand, there occurs during Shanghai elder brother, the expensive Railway Tunnel operation such as wide some ballastless track bed deformation,
The water damage event such as inverted arch and filling protuberance, lining side wall (generally abutment wall substrate is to two meters of scopes upwards) cracking, causes
Railway Design, construction, build and operation each side great attention.
Traditional double track tunnel lining cutting adopts Concrete Filled typically using liner structure form of the bent wall with inverted arch, on inverted arch
Used as railway roadbed basis, in construction, inverted arch is separately poured with inverted arch filling.Central drain+bilateral ditch, middle edema with the heart involved are set in tunnel
The filling that ditch is placed on inverted arch is internal.Underground water discharge path is：Country rock → preliminary bracing → draining blind pipe → lateral sulcus → horizontal stroke
Being permeated by preliminary bracing to drain pipe → Central drain, the i.e. water of tunnel structure periphery tunnel is entered via the ejectment of draining blind pipe
Central drain within structural body, outside final discharge hole.The defect of conventional drainage systems maximum is：First, Central drain
Within tunnel structure, the periphery subsoil water of the main ejectment arch wall scope of main ejectment, the hydrops below tunnel inverted arch cannot
Effectively ejectment.Secondly, in the close region of ground hydraulic connection, under continuous rainfall or rainstorm weather, because of groundwater run off abruptly increase,
Traditional drainage system often cannot ejectment in time to the gutter in tunnel structure body, so as to cause level of ground water drastically to rise
High.Under the effect of high hydraulic pressure, cause tunnel bottom inverted arch or inverted arch filling protuberance.Again, conventional drainage systems circle draining blind pipe edge
Longitudinal direction is arranged together every 10m or so, and draining blind pipe in part location may be blocked for various reasons, once rainy season, due to lining
Build behind subsoil water to drain in time, hydraulic pressure is drastically raised, cause inverted arch protuberance, abutment wall cracking.
Therefore, optimize liner structure and drainage system, it is ensured that draining is unobstructed, reduce even and eliminate side wall lining behind and tunnel
Bottom water pressure, becomes reduction karst area tunnel water damage risk, it is ensured that operation security in the urgent need to.
Content of the invention
The technical problem to be solved is to provide a kind of separate type to keep in repair tunnel lining structure, to be prevented effectively from
Rain flood season subsoil water increases severely but discharge capacity deficiency causes abutment wall structure crack to destroy, and increases the resistant to pressure and anti-floating of liner structure
Ability, reduces the destruction risk that rain flood season subsoil water is particularly tunnel bottom structure to liner structure.
The technical solution adopted for the present invention to solve the technical problems is as follows：
A kind of separate type of the present invention can keep in repair tunnel lining structure, including the arch wall preliminary bracing knot for arranging from outside to inside
Structure, waterproof and water drainage system and liner structure, is characterized in that：The liner structure include arch secondary lining, abutment wall frame prop up structure and
Filling wall, and tunnel bottom pile slab structure；Tunnel bottom pile slab structure includes to be layed in the base plate on substrate close layer, Yi Jiyan
Tunnel longitudinally, laterally spaced anchor pile, the upper end of anchor pile and base plate consolidation；The ring two ends of the waterproof and water drainage system
Guide the longitudinal drainage ditch for being arranged on base plate both lateral sides into.
The invention has the beneficial effects as follows, using frame structure as the bearing structure of arch secondary lining, substitute tradition lining
Abutment wall secondary lining form concrete in block, can save concrete, be conducive to the ground water discharge of abutment wall behind again；Set in framework
The filling wall that is built by laying bricks or stones by the light block material is put, can not only reduce dead load, and drainage system breaks after certain section of abutment wall
Bad, blocking failure, is easy to local change and repair.Tunnel bottom adopts pile slab structure detached with arch wall, realizes " sound load " and separates,
Stress is apparent, it is to avoid in traditional lining cutting especially because inverted arch bottom exists right under Train induced load effect under groundwater condition
The fatigue extruding that abutment wall foot is caused is destroyed；Tunnel bottom is used in pile slab structure, can increase base plate bearing capacity, can also increase tunnel bottom
The resistant to pressure and anti-floating ability of structure；Tunnel bottom adopts base arrangement, is not required to thereon apply Concrete Filled body, effectively prevent tradition
The lining cutting of bent wall band inverted arch destroys obturator as subsoil water enters extruding between inverted arch and inverted arch blind by inverted arch construction joint,
Track structure is caused to destroy；Tunnel bottom adopts pile slab structure, excavates operation and is more convenient, overcomes traditional lining types inverted arch basis and open
Dig the problems such as curvature is wayward to be led；Due to ditch draining area be located at base plate under, can guarantee that all the time subsoil water smooth exclusion and
High hydraulic pressure is avoided to cause bottom slab crack to swell.
Description of the drawings
This specification includes following three width accompanying drawing：
Fig. 1 is the section structure schematic diagram that a kind of separate type of the present invention can keep in repair tunnel lining structure；
Fig. 2 is the enlarged drawing of A local in Fig. 1；
Fig. 3 is the profile of I-I line along Fig. 1.
In figure illustrates component, toponym and corresponding labelling：
Arch wall preliminary bracing structure 10, arch wall shotcrete layer 10a, arch wall steelframe 10b, arch wall system anchor bolt 10c；Base
Bottom confining bed 11；Waterproof and water drainage system 20, non-woven geotextile 20a, circle draining blind pipe 20b, splash guard 20c；Spilled water hole 21, second
Spilled water hole 22；Arch secondary lining 30, filling wall 31, base plate 32；Abutment wall frame prop up structure 40, frame prop up foundation beam 41, frame-supporting column 42,
Frame Zhi Dingliang 42；Anchor pile 50；Longitudinal drainage ditch 60.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
With reference to Fig. 1, a kind of separate type of the present invention can keep in repair tunnel lining structure, including at the beginning of the arch wall that arranges from outside to inside
Phase supporting construction 10, waterproof and water drainage system 20 and liner structure.The liner structure includes that arch secondary lining 30, abutment wall frame prop up knot
Structure 40 and filling wall 31, and tunnel bottom pile slab structure, using frame structure as the bearing structure of arch secondary lining, substitute and pass
Abutment wall secondary lining form concrete in system lining cutting, can save concrete, be conducive to the ground water discharge of abutment wall behind again.
With reference to Fig. 1, tunnel bottom pile slab structure includes to be layed in the base plate 32 on substrate close layer 11, and along tunnel
Longitudinally, laterally spaced anchor pile 50, the upper end of anchor pile 50 is consolidated with base plate 32.Tunnel bottom adopts stake detached with arch wall
Hardened structure, realizes " sound load " and separates, and stress is apparent, it is to avoid especially because inverted arch bottom has subsoil water in traditional lining cutting
In the case of Train induced load effect under opposite side foundation cause fatigue extruding destroy；Tunnel bottom is used in pile slab structure, Ji Nengzeng
Plus base plate bearing capacity, can also increase the resistant to pressure and anti-floating ability of tunnel bottom structure.Tunnel bottom adopts base arrangement, is not required to thereon apply
Concrete Filled body, effectively prevent the lining cutting of tradition song wall band inverted arch as subsoil water passes through inverted arch construction joint entrance inverted arch and faces upward
Extruding between arch blind destroys obturator, causes track structure to destroy；Tunnel bottom adopts pile slab structure, excavates operation and is more convenient,
Overcome the problems such as traditional lining types inverted arch foundation excavation curvature is wayward to be led；As ditch draining area is located under base plate,
All the time can guarantee that the smooth exclusion of subsoil water and avoid high hydraulic pressure from causing bottom slab crack to swell.
With reference to Fig. 1, the longitudinal drainage for being arranged on 32 both lateral sides of base plate is guided at the ring two ends of the waterproof and water drainage system 20 into
Ditch 60, as ditch draining area is located under base plate, can guarantee that the smooth exclusion of subsoil water all the time and avoids high hydraulic pressure from causing base plate
Cracking protuberance.
With reference to Fig. 1, Fig. 2, the arch wall preliminary bracing 10 includes arch wall system anchor bolt 10c, covers the injection of arch wall country rock
Concrete layer 10a, can be spaced along tunnel excavation direction in shotcrete layer 10a and lay arch wall steelframe 10b.
With reference to Fig. 1 and Fig. 3, the abutment wall frame props up structure 40 as the bearing structure of arch secondary lining 30, including embedded
The frame longitudinally disposed along tunnel props up foundation beam 41, is spaced the frame-supporting column 42 and edge that lays along tunnel excavation direction in the tunnel base plinth
Tunnel is longitudinally disposed and connects the frame Zhi Dingliang 43 that frame-supporting column 42 is pushed up.With reference to Fig. 3, the abutment wall frame is propped up and is set in the sash of structure 40
The filling wall 31 that is built by laying bricks or stones by the light block material is put, wall is filled along the longitudinally spaced laying spilled water hole 21 in tunnel in filling 31 bottom of wall
31 can not only reduce dead load, and after certain section of abutment wall drainage system destroy, blocking failure, be easy to local to change dimension
Repair.
See figures.1.and.2, the drainage system 20 includes the non-woven geotextile 20a of arch wall scope laying and arch wall scope
The splash guard 20c of laying, and the ring between non-woven geotextile 20a and splash guard 20c is laid in along tunnel excavation direction interval
Draining blind pipe 20b.The two ends of the circle draining blind pipe 20b are directed directly to fill at 31 spilled water hole 21 of wall.With reference to Fig. 1, described
Longitudinal drainage ditch 60 is by 32 side of base plate along the second spilled water hole 22 of the longitudinally spaced setting in tunnel, and 22 position of the second spilled water hole is located at base plate
32 bottom surface elevations.
A kind of the above separate type of the present invention that simply explains through diagrams can keep in repair some principles of tunnel lining structure, and
Non- be intended to by the present invention be confined to shown in and described concrete structure and the scope of application in, therefore every phase for being possible to be utilized
Should change and equivalent, belong to the apllied the scope of the claims of the present invention.
Claims (6)
1. a kind of separate type can keep in repair tunnel lining structure, including arch wall preliminary bracing structure (10), anti-for arranging from outside to inside
Drainage system (20) and liner structure, is characterized in that：The liner structure includes that arch secondary lining (30), abutment wall frame prop up structure
(40) and filling wall (31), and tunnel bottom pile slab structure；Tunnel bottom pile slab structure include to be layed in substrate close layer (11) it
On base plate (32), and longitudinally, laterally spaced anchor pile (50) along tunnel, the upper end of anchor pile (50) and base plate
(32) consolidate；The longitudinal drainage ditch for being arranged on base plate (32) both lateral sides is guided at the ring two ends of waterproof and water drainage system (20) into
(60).
2. a kind of separate type can keep in repair tunnel lining structure as claimed in claim 1, it is characterized in that：The abutment wall frame props up structure
(40) as the bearing structure of arch secondary lining (30), including being embedded in along the frame fork group that tunnel is longitudinally disposed in tunnel base plinth
Plinth beam (41), along tunnel excavation direction be spaced lay frame-supporting column (42) and along tunnel longitudinally disposed and connect frame-supporting column (42) top
Frame Zhi Dingliang (43).
3. a kind of separate type can keep in repair tunnel lining structure as claimed in claim 2, it is characterized in that：The abutment wall frame props up structure
(40) the filling wall (31) that is built by laying bricks or stones by the light block material is set in sash, and filling wall (31) bottom is along the longitudinally spaced cloth in tunnel
If spilled water hole (21).
4. a kind of separate type can keep in repair tunnel lining structure as claimed in claim 1, it is characterized in that：Drainage system (20)
Non-woven geotextile (20a) including the laying of arch wall scope and the splash guard (20c) of arch wall scope laying, and along tunnel excavation side
The circle draining blind pipe (20b) being laid in interval between non-woven geotextile (20a) and splash guard (20c).
5. a kind of separate type as described in claim 3 or 4 can keep in repair tunnel lining structure, it is characterized in that：The circle draining
The two ends of blind pipe (20b) are directed directly to fill wall (31) spilled water hole (21) place.
6. a kind of separate type can keep in repair tunnel lining structure as claimed in claim 1, it is characterized in that：The longitudinal drainage ditch
(60) inner side is located at base plate (32) bottom along tunnel the second spilled water hole of longitudinally spaced setting (22), the position of the second spilled water hole (22)
Face elevation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610409541.9A CN106437748B (en) | 2016-06-12 | 2016-06-12 | A kind of separate type can repair tunnel lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610409541.9A CN106437748B (en) | 2016-06-12 | 2016-06-12 | A kind of separate type can repair tunnel lining structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106437748A true CN106437748A (en) | 2017-02-22 |
| CN106437748B CN106437748B (en) | 2019-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610409541.9A Active CN106437748B (en) | 2016-06-12 | 2016-06-12 | A kind of separate type can repair tunnel lining structure |
Country Status (1)
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178393A (en) * | 2017-07-07 | 2017-09-19 | 中铁第四勘察设计院集团有限公司 | A kind of Tunnel Second Lining water pressure control structure |
| CN107524458A (en) * | 2017-08-30 | 2017-12-29 | 中铁二院工程集团有限责任公司 | A kind of tunnel lining structure with tunnel bottom deformation allowance |
| CN107905811A (en) * | 2017-12-27 | 2018-04-13 | 中铁二院工程集团有限责任公司 | The hollow longeron of foundation carries domes without the lining cutting of inverted arch type and its drainage system |
| CN107905812A (en) * | 2017-12-27 | 2018-04-13 | 中铁二院工程集团有限责任公司 | The hollow compound arch tunnel-liner in type tunnel bottom and its drainage system construction of falling from power |
| CN107975378A (en) * | 2017-12-27 | 2018-05-01 | 中铁二院工程集团有限责任公司 | The U-shaped wall base with architecture separates bearing type liner structure with bottom plate sound |
| CN108005688A (en) * | 2017-12-27 | 2018-05-08 | 中铁二院工程集团有限责任公司 | The external dewatering type lining cutting of buried lateral sulcus and its drainage system |
| CN108005690A (en) * | 2017-12-27 | 2018-05-08 | 中铁二院工程集团有限责任公司 | Boot last pedestal domes are without the lining cutting of inverted arch type and its drainage system |
| CN108194096A (en) * | 2017-12-27 | 2018-06-22 | 中铁二院工程集团有限责任公司 | Foundation base type is without inverted arch type tunnel lining structure and its drainage system |
| CN108222963A (en) * | 2017-12-27 | 2018-06-29 | 中铁二院工程集团有限责任公司 | The not contour longeron carrying stalk floor type lining cutting of tunnel bottom setting longitudinal direction collection drainage gallery and its drainage system construction |
| CN108222960A (en) * | 2017-12-27 | 2018-06-29 | 中铁二院工程集团有限责任公司 | The V-arrangement skewback floor type lining cutting of tunnel bottom setting drainage gallery and its drainage system construction |
| CN108590752A (en) * | 2018-01-09 | 2018-09-28 | 中交路桥建设有限公司 | Draining repair system and its construction method after a kind of underdrain formula tunnel-liner |
| CN111501421A (en) * | 2020-04-29 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Tunnel bottom structure capable of effectively preventing track slab from arching |
| CN112761671A (en) * | 2020-12-31 | 2021-05-07 | 中铁二院工程集团有限责任公司 | Energy-absorbing and pressure-reducing tunnel bottom pile plate structure and construction method |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178393A (en) * | 2017-07-07 | 2017-09-19 | 中铁第四勘察设计院集团有限公司 | A kind of Tunnel Second Lining water pressure control structure |
| CN107178393B (en) * | 2017-07-07 | 2023-08-25 | 中铁第四勘察设计院集团有限公司 | Tunnel secondary lining water pressure control structure |
| CN107524458A (en) * | 2017-08-30 | 2017-12-29 | 中铁二院工程集团有限责任公司 | A kind of tunnel lining structure with tunnel bottom deformation allowance |
| CN107524458B (en) * | 2017-08-30 | 2023-09-22 | 中铁二院工程集团有限责任公司 | Tunnel lining structure with tunnel bottom reserved deformation |
| CN108222963A (en) * | 2017-12-27 | 2018-06-29 | 中铁二院工程集团有限责任公司 | The not contour longeron carrying stalk floor type lining cutting of tunnel bottom setting longitudinal direction collection drainage gallery and its drainage system construction |
| CN107905811A (en) * | 2017-12-27 | 2018-04-13 | 中铁二院工程集团有限责任公司 | The hollow longeron of foundation carries domes without the lining cutting of inverted arch type and its drainage system |
| CN108005690A (en) * | 2017-12-27 | 2018-05-08 | 中铁二院工程集团有限责任公司 | Boot last pedestal domes are without the lining cutting of inverted arch type and its drainage system |
| CN108194096A (en) * | 2017-12-27 | 2018-06-22 | 中铁二院工程集团有限责任公司 | Foundation base type is without inverted arch type tunnel lining structure and its drainage system |
| CN107975378A (en) * | 2017-12-27 | 2018-05-01 | 中铁二院工程集团有限责任公司 | The U-shaped wall base with architecture separates bearing type liner structure with bottom plate sound |
| CN108222960A (en) * | 2017-12-27 | 2018-06-29 | 中铁二院工程集团有限责任公司 | The V-arrangement skewback floor type lining cutting of tunnel bottom setting drainage gallery and its drainage system construction |
| CN107975378B (en) * | 2017-12-27 | 2024-01-23 | 中铁二院工程集团有限责任公司 | U-shaped wall foundation and bottom plate dynamic-static separation bearing type lining structure with water delivery function |
| CN107905811B (en) * | 2017-12-27 | 2024-01-19 | 中铁二院工程集团有限责任公司 | Inverted arch-free lining of foundation hollow longitudinal beam bearing arch structure |
| CN108005690B (en) * | 2017-12-27 | 2024-01-19 | 中铁二院工程集团有限责任公司 | Arch structure non-inverted arch type lining of boot-shaped base |
| CN107905812A (en) * | 2017-12-27 | 2018-04-13 | 中铁二院工程集团有限责任公司 | The hollow compound arch tunnel-liner in type tunnel bottom and its drainage system construction of falling from power |
| CN108005688A (en) * | 2017-12-27 | 2018-05-08 | 中铁二院工程集团有限责任公司 | The external dewatering type lining cutting of buried lateral sulcus and its drainage system |
| CN108590752A (en) * | 2018-01-09 | 2018-09-28 | 中交路桥建设有限公司 | Draining repair system and its construction method after a kind of underdrain formula tunnel-liner |
| CN111501421A (en) * | 2020-04-29 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Tunnel bottom structure capable of effectively preventing track slab from arching |
| CN112761671A (en) * | 2020-12-31 | 2021-05-07 | 中铁二院工程集团有限责任公司 | Energy-absorbing and pressure-reducing tunnel bottom pile plate structure and construction method |
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