CN108756953A - Guarded drainage system with secondary lining shield tunnel - Google Patents
Guarded drainage system with secondary lining shield tunnel Download PDFInfo
- Publication number
- CN108756953A CN108756953A CN201810531321.2A CN201810531321A CN108756953A CN 108756953 A CN108756953 A CN 108756953A CN 201810531321 A CN201810531321 A CN 201810531321A CN 108756953 A CN108756953 A CN 108756953A
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- CN
- China
- Prior art keywords
- pipe
- lining
- longitudinal
- plate
- jurisdiction
- 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
- 239000010410 layer Substances 0.000 claims abstract description 22
- 239000011229 interlayer Substances 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 238000004078 waterproofing Methods 0.000 claims description 8
- 239000004746 geotextile Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000003483 aging Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000003786 synthesis reaction 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
- E21D11/386—Sealing means positioned between adjacent lining members inflatable sealing means
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
Guarded drainage system with secondary lining shield tunnel realizes the scientific and systematization of waterproof and drainage design to effectively improve the guarded drainage performance that band two serves as a contrast shield tunnel.Interlayer guarded drainage construction include be set between pipe-plate lining and secondary lining, the circumferential blind pipe between pipe-plate lining and tunnel bottom filled layer, longitudinal blind pipe, and be set to longitudinal ditch of tunnel bottom filled layer both lateral sides.The circumferential blind pipe of longitudinally spaced setting is located at outside the circumferential splicing seams of pipe-plate lining, longitudinal blind pipe of circumferentially spaced setting is located at outside the longitudinal spliced seam of pipe-plate lining, the both ends of longitudinal blind pipe are connected to adjacent two circumferential blind pipes, the longitudinal ditch of lower end access of circumferential blind pipe.
Description
Technical field
The present invention relates to Tunnel Engineering, more particularly to a kind of guarded drainage system with secondary lining shield tunnel.
Background technology
With the fast development of national communication cause, shield tunnel with its no-dig technique, speed of application is fast, labor intensity is low etc.
Feature has obtained quick development in industries such as subway, railway, highways.
In general, one layer of pipe-plate lining is only arranged in shield tunnel, by concrete self-waterproof, joint seal pad waterproof and filleting
Equal measures completely cut off underground water.In actual use, occur hitting that lining cutting, tunnel catches fire makes liner structure often to lose control of one's vehicle
Deterioration, single layer pipe-plate lining cannot be satisfied tunnel a century requirement.On the other hand, the gasket category that segments' joints waterproofing uses
Rubber material, there are agings and Stress relaxation, and tunnel will appear phenomena such as faulting of slab ends opens using middle pipe piece, seriously undermine
The waterproof ability of gasket.
In view of problem existing for single layer pipe-plate lining, the important large diameter shield tunnel in recent year part is gradually opened
The exploration of two lining of setting, such as No. 8 line Yangtze River Tunnels of Wuhan subway, deep luxuriant railway the mouth of the Zhujiang River tunnel are opened up.
The guarded drainage system of such novel shield tunnel form is totally different from the shield tunnel that tradition only sets one layer of section of jurisdiction,
Synthesis is needed to account for.
Invention content
Technical problem to be solved by the invention is to provide a kind of guarded drainage systems with secondary lining shield tunnel, to have
Effect improves the guarded drainage performance that band two serves as a contrast shield tunnel, realizes the scientific and systematization of waterproof and drainage design.
The technical solution adopted by the present invention to solve the technical problems is as follows：
The guarded drainage system with secondary lining shield tunnel of the present invention, tunnel lining structure is by pipe-plate lining, secondary lining
It builds and tunnel bottom filled layer is constituted, pipe-plate lining is circumferential longitudinal assembled by section of jurisdiction, and tunnel bottom filled layer is filled in pipe-plate lining
Bottom, secondary lining are built in the upper mold of tunnel bottom filled layer in outside pipe-plate lining inner surface, and guarded drainage system includes that pipe-plate lining is anti-
Water constructs and interlayer guarded drainage construction, it is characterized in that：The interlayer guarded drainage construction includes being set to pipe-plate lining and secondary lining
Circumferential blind pipe, longitudinal blind pipe between block, between pipe-plate lining and tunnel bottom filled layer, and it is set to tunnel bottom filled layer lateral two
Longitudinal ditch of side；The circumferential blind pipe of longitudinally spaced setting is located at outside the circumferential splicing seams of pipe-plate lining, circumferentially spaced to set
The longitudinal blind pipe set is located at outside the longitudinal spliced seam of pipe-plate lining, and the both ends of longitudinal blind pipe are connected to adjacent two circumferential blind pipes, ring
Longitudinal ditch is accessed to the lower end of blind pipe.
The pipe-plate lining water proof structure includes that circumferentially splicing seams and longitudinal spliced seam are placed in adjacent section of jurisdiction Mosaic face
Between elastic sealing gasket, hydro-expansive rubber item and filleting, on embedded section of jurisdiction Mosaic face in corresponding groove；Splice in section of jurisdiction
On face, filleting closes on section of jurisdiction inner surface, and elastic sealing gasket leans on section of jurisdiction outer surface side, hydro-expansive rubber item to be located at filleting, elasticity
Between gasket.
The invention has the advantages that guarded drainage system is constituted by pipe-plate lining water proof structure and interlayer guarded drainage,
The guarded drainage performance that band two serves as a contrast shield tunnel can be effectively improved, realizes the scientific and systematization of waterproof and drainage design.
Description of the drawings
This specification includes following width attached drawing：
Fig. 1 is the cross-section diagram of the guarded drainage system of the invention with secondary lining shield tunnel；
Fig. 2 is the enlarged drawing of the parts A in Fig. 1；
Fig. 3 is the enlarged drawing of the parts B in Fig. 1；
Fig. 4 is the configuration side of circumferential blind pipe, longitudinal blind pipe in the guarded drainage system of the invention with secondary lining shield tunnel
Formula schematic diagram；
Fig. 5 is the enlarged drawing of the parts C in Fig. 1；
Fig. 6 is the waterproof construction schematic diagram of segment assembly in the guarded drainage system of the invention with secondary lining shield tunnel.
Component and corresponding label are shown in figure：Section of jurisdiction 10, longitudinal spliced seam 11, elastic sealing gasket 13, water-swellable rubber
Adhesive tape 14, filleting 15, secondary liner structure 20, tunnel bottom filled layer 21, longitudinal ditch 22, circumferential blind pipe 31, longitudinal blind pipe 32, soil
Work cloth 33, drainable waterproofing plate 34.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig.1 and Fig. 4, the guarded drainage system of the invention with secondary lining shield tunnel, tunnel lining structure is by pipe
Sheet built, secondary lining 20 and tunnel bottom filled layer 21 are constituted, and pipe-plate lining is circumferential longitudinal assembled by section of jurisdiction 10, the filling of tunnel bottom
Layer 21 is filled in the bottom of pipe-plate lining, and secondary lining 20 is built in the upper mold of tunnel bottom filled layer 21 in outside pipe-plate lining inner surface,
Guarded drainage system includes pipe-plate lining water proof structure and interlayer guarded drainage construction.The interlayer guarded drainage construction includes being set to pipe
Circumferential blind pipe 31, longitudinal blind pipe 32 between sheet built and secondary lining 20, between pipe-plate lining and tunnel bottom filled layer 21, and
It is set to longitudinal ditch 22 of 21 both lateral sides of tunnel bottom filled layer, the circumferential blind pipe 31 of longitudinally spaced setting is located at pipe-plate lining
Circumferential splicing seams outside, longitudinal blind pipe 32 of circumferentially spaced setting is located at outside the longitudinal spliced seam 11 of pipe-plate lining, longitudinal blind
The both ends of pipe 32 are connected to adjacent two circumferential blind pipes 31, the lower end access longitudinal direction ditch 22 of circumferential blind pipe 31.
With reference to Fig. 6, the pipe-plate lining water proof structure is set to adjacent including circumferentially splicing seams and longitudinal spliced seam 11
Elastic sealing gasket 13, hydro-expansive rubber item 14 between 10 Mosaic face of section of jurisdiction and filleting 15, it is right on 10 Mosaic face of section of jurisdiction to be embedded in
In the groove answered.On 10 Mosaic face of section of jurisdiction, filleting 15 closes on 10 inner surface of section of jurisdiction, and elastic sealing gasket 13 leans on 10 outer surface of section of jurisdiction
Side, hydro-expansive rubber item 14 is between filleting 15, elastic sealing gasket 13.To improve the self waterproofing performance of section of jurisdiction 10, section of jurisdiction
10 inner surfaces, outer surface are attached with waterproof coating.
The present invention constitutes guarded drainage system by pipe-plate lining water proof structure and interlayer guarded drainage, can effectively improve band two
The guarded drainage performance for serving as a contrast shield tunnel, realizes the scientific and systematization of waterproof and drainage design.
With reference to Fig. 2, Fig. 3 and Fig. 5, between the pipe-plate lining and secondary lining 20, pipe-plate lining and tunnel bottom filled layer 21
Between setting geotextiles 33 and drainable waterproofing plate 34, wherein drainable waterproofing plate 34 is close to secondary lining 20, and geotextiles 33 are close to guarded drainage
Plate 34, circumferential blind pipe 31, longitudinal blind pipe 32 are between pipe-plate lining and geotextiles 33.
Some principles of the guarded drainage system with secondary lining shield tunnel of the invention described above that only explains through diagrams,
Be not intended to by the present invention be confined to shown in and the concrete structure and the scope of application in, therefore every be possible to be utilized
Corresponding modification and equivalent belong to the apllied the scope of the claims of the present invention.
Claims (4)
1. the guarded drainage system with secondary lining shield tunnel, tunnel lining structure is by pipe-plate lining, secondary lining (20) and tunnel
Bottom filled layer (21) is constituted, and pipe-plate lining is circumferential longitudinal assembled by section of jurisdiction (10), and tunnel bottom filled layer (21) is filled in section of jurisdiction
The bottom of lining cutting, secondary lining (20) are built in the upper mold of tunnel bottom filled layer (21) in outside pipe-plate lining inner surface, guarded drainage system
It is constructed including pipe-plate lining water proof structure and interlayer guarded drainage, it is characterized in that：The interlayer guarded drainage construction includes being set to pipe
Circumferential blind pipe (31), longitudinal blind pipe between sheet built and secondary lining (20), between pipe-plate lining and tunnel bottom filled layer (21)
(32), and it is set to longitudinal ditches (22) of tunnel bottom filled layer (21) both lateral sides；The circumferential blind pipe of longitudinally spaced setting
(31) it is located at outside the circumferential splicing seams of pipe-plate lining, longitudinal blind pipe (32) of circumferentially spaced setting is located at the longitudinal direction of pipe-plate lining
Outside, the both ends of longitudinal blind pipe (32) are connected to splicing seams (11) with adjacent two circumferential blind pipes (31), the lower termination of circumferential blind pipe (31)
Enter longitudinal ditch (22).
2. the guarded drainage system with secondary lining shield tunnel as described in claim 1, it is characterized in that：The pipe-plate lining with
Between secondary lining (20), geotextiles (33) and drainable waterproofing plate (34) are set between pipe-plate lining and tunnel bottom filled layer (21),
Middle drainable waterproofing plate (34) is close to secondary lining (20), geotextiles (33) and drainable waterproofing plate (34), circumferential blind pipe (31), longitudinal blind pipe
(32) between pipe-plate lining and geotextiles (33).
3. the guarded drainage system with secondary lining shield tunnel as described in claim 1, it is characterized in that：The pipe-plate lining is anti-
Water construction includes that circumferentially splicing seams and longitudinal spliced seam (11) are set to the elastic packing between adjacent section of jurisdiction (10) Mosaic face
(13), hydro-expansive rubber item (14) and filleting (15) are padded, is embedded on section of jurisdiction (10) Mosaic face in corresponding groove；In section of jurisdiction
(10) on Mosaic face, filleting (15) closes on section of jurisdiction (10) inner surface, and elastic sealing gasket (13) leans on section of jurisdiction (10) outer surface side, meets water
Expanded rubber item (14) is located between filleting (15), elastic sealing gasket (13).
4. the guarded drainage system with secondary lining shield tunnel as described in claim 1, it is characterized in that：The section of jurisdiction (10)
Inner surface, outer surface are attached with waterproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810531321.2A CN108756953B (en) | 2018-05-29 | 2018-05-29 | Waterproof and drainage system with secondary lining shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810531321.2A CN108756953B (en) | 2018-05-29 | 2018-05-29 | Waterproof and drainage system with secondary lining shield tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108756953A true CN108756953A (en) | 2018-11-06 |
| CN108756953B CN108756953B (en) | 2024-03-26 |
Family
ID=64003483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810531321.2A Active CN108756953B (en) | 2018-05-29 | 2018-05-29 | Waterproof and drainage system with secondary lining shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108756953B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056012A (en) * | 2019-04-25 | 2019-07-26 | 中铁二院工程集团有限责任公司 | The guarded drainage system of prefabricated open caisson structure |
| CN110410144A (en) * | 2019-07-18 | 2019-11-05 | 中交第二公路勘察设计研究院有限公司 | A kind of waterproof/drainage structure of shield tunnel |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06229200A (en) * | 1993-02-05 | 1994-08-16 | C I Kasei Co Ltd | Leak preventive structure of shielded tunnel |
| JP2000282799A (en) * | 1999-03-31 | 2000-10-10 | Kumagai Gumi Co Ltd | Waterproof apparatus for shield tunnel |
| JP2001323794A (en) * | 2000-05-12 | 2001-11-22 | Osaka Bosui Constr Co Ltd | Lining structure for tunnel structure |
| JP2008163643A (en) * | 2006-12-28 | 2008-07-17 | Univ Of Tokyo | Joining method for segment for shield tunnel, and tunnel wall body constituted by using the method |
| JP2010101062A (en) * | 2008-10-23 | 2010-05-06 | Ohbayashi Corp | Drainage structure of underground water, and construction method for tunnel equipped with the drainage structure |
| CN101929341A (en) * | 2010-01-12 | 2010-12-29 | 中铁隧道集团二处有限公司 | Construction method for TBM synchronization lining |
| CN201818314U (en) * | 2010-05-10 | 2011-05-04 | 浙江工业大学 | Lining segment of shield with gradient function |
| CN102155240A (en) * | 2011-04-29 | 2011-08-17 | 中铁第四勘察设计院集团有限公司 | Shield tunnel lining structure by adopting non-closed secondary lining |
| CN202645585U (en) * | 2012-07-09 | 2013-01-02 | 中铁第四勘察设计院集团有限公司 | Pipe piece lining structure for drainage and decompression |
| CN204357485U (en) * | 2014-12-11 | 2015-05-27 | 中铁十一局集团第五工程有限公司 | The drainage system of anti-tunnel double-lining behind ponding crossfire |
| CN204532364U (en) * | 2015-01-27 | 2015-08-05 | 中铁二院工程集团有限责任公司 | Tunneling boring rock tunnel development machine engineering method subway tunnel pressure release type liner structure |
| CN204532378U (en) * | 2015-01-27 | 2015-08-05 | 中铁二院工程集团有限责任公司 | Subway tunneling boring rock tunnel development machine engineering method tunnel water handling constructs |
| CN105587326A (en) * | 2016-01-29 | 2016-05-18 | 中铁第一勘察设计院集团有限公司 | Multiple waterproof duct piece structure for tunnel through shield method or TBM method |
| CN107227974A (en) * | 2017-06-20 | 2017-10-03 | 中铁十局集团第四工程有限公司 | A kind of tunnel-liner discharge structure and water discharge method |
| CN206972303U (en) * | 2017-06-20 | 2018-02-06 | 中铁十一局集团第四工程有限公司 | A kind of tunnel-liner discharge structure |
| CN208310812U (en) * | 2018-05-29 | 2019-01-01 | 中铁二院工程集团有限责任公司 | Guarded drainage system with secondary lining shield tunnel |
-
2018
- 2018-05-29 CN CN201810531321.2A patent/CN108756953B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06229200A (en) * | 1993-02-05 | 1994-08-16 | C I Kasei Co Ltd | Leak preventive structure of shielded tunnel |
| JP2000282799A (en) * | 1999-03-31 | 2000-10-10 | Kumagai Gumi Co Ltd | Waterproof apparatus for shield tunnel |
| JP2001323794A (en) * | 2000-05-12 | 2001-11-22 | Osaka Bosui Constr Co Ltd | Lining structure for tunnel structure |
| JP2008163643A (en) * | 2006-12-28 | 2008-07-17 | Univ Of Tokyo | Joining method for segment for shield tunnel, and tunnel wall body constituted by using the method |
| JP2010101062A (en) * | 2008-10-23 | 2010-05-06 | Ohbayashi Corp | Drainage structure of underground water, and construction method for tunnel equipped with the drainage structure |
| CN101929341A (en) * | 2010-01-12 | 2010-12-29 | 中铁隧道集团二处有限公司 | Construction method for TBM synchronization lining |
| CN201818314U (en) * | 2010-05-10 | 2011-05-04 | 浙江工业大学 | Lining segment of shield with gradient function |
| CN102155240A (en) * | 2011-04-29 | 2011-08-17 | 中铁第四勘察设计院集团有限公司 | Shield tunnel lining structure by adopting non-closed secondary lining |
| CN202645585U (en) * | 2012-07-09 | 2013-01-02 | 中铁第四勘察设计院集团有限公司 | Pipe piece lining structure for drainage and decompression |
| CN204357485U (en) * | 2014-12-11 | 2015-05-27 | 中铁十一局集团第五工程有限公司 | The drainage system of anti-tunnel double-lining behind ponding crossfire |
| CN204532364U (en) * | 2015-01-27 | 2015-08-05 | 中铁二院工程集团有限责任公司 | Tunneling boring rock tunnel development machine engineering method subway tunnel pressure release type liner structure |
| CN204532378U (en) * | 2015-01-27 | 2015-08-05 | 中铁二院工程集团有限责任公司 | Subway tunneling boring rock tunnel development machine engineering method tunnel water handling constructs |
| CN105587326A (en) * | 2016-01-29 | 2016-05-18 | 中铁第一勘察设计院集团有限公司 | Multiple waterproof duct piece structure for tunnel through shield method or TBM method |
| CN107227974A (en) * | 2017-06-20 | 2017-10-03 | 中铁十局集团第四工程有限公司 | A kind of tunnel-liner discharge structure and water discharge method |
| CN206972303U (en) * | 2017-06-20 | 2018-02-06 | 中铁十一局集团第四工程有限公司 | A kind of tunnel-liner discharge structure |
| CN208310812U (en) * | 2018-05-29 | 2019-01-01 | 中铁二院工程集团有限责任公司 | Guarded drainage system with secondary lining shield tunnel |
Non-Patent Citations (2)
| Title |
|---|
| 冯欢欢;: "不同工法条件下的水下隧道防水设计技术研究", 施工技术, vol. 1, no. 1, pages 1167 - 1171 * |
| 游龙飞;: "TBM施工煤矿斜井防排水设计研究", 施工技术, no. 22, 25 November 2016 (2016-11-25), pages 42 - 45 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056012A (en) * | 2019-04-25 | 2019-07-26 | 中铁二院工程集团有限责任公司 | The guarded drainage system of prefabricated open caisson structure |
| CN110056012B (en) * | 2019-04-25 | 2024-03-22 | 中铁二院工程集团有限责任公司 | Waterproof and drainage system of prefabricated open caisson structure |
| CN110410144A (en) * | 2019-07-18 | 2019-11-05 | 中交第二公路勘察设计研究院有限公司 | A kind of waterproof/drainage structure of shield tunnel |
| CN110410144B (en) * | 2019-07-18 | 2024-05-10 | 中交第二公路勘察设计研究院有限公司 | Waterproof and drainage structure of shield tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108756953B (en) | 2024-03-26 |
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