CN205349377U - Waterproof section of jurisdiction of multichannel structure in shield structure or TBM method tunnel - Google Patents
Waterproof section of jurisdiction of multichannel structure in shield structure or TBM method tunnel Download PDFInfo
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- CN205349377U CN205349377U CN201620090959.3U CN201620090959U CN205349377U CN 205349377 U CN205349377 U CN 205349377U CN 201620090959 U CN201620090959 U CN 201620090959U CN 205349377 U CN205349377 U CN 205349377U
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Abstract
The utility model relates to a waterproof section of jurisdiction of multichannel structure in shield structure or TBM method tunnel. The shield constructs or TBM method tunnel adopts the section of jurisdiction structure to strut and be waterproof, and constructed by the shield or TBM actually tunnel to rectify a deviation and influences, can appear wrong platform, dislocation, come -up, inner arc problems the such as circle is arranged, the seam is not alignd after assemble the section of jurisdiction, and can't formation effective seam is waterproof. The utility model discloses an along the multisection annular unit that the tunnel vertically splices in proper order, every section annular unit forms circumferential segment lining circumferential weld and fore -and -aft segment lining longitudinal joint including the polylith section of jurisdiction of cyclic annular concatenation, segment lining circumferential weld and segment lining longitudinal joint department all are provided with the multichannel waterproof construction, including multichannel recess and filler. The utility model discloses satisfied that the shield constructs or the safe handling in TBM method tunnel and operates the requirement for a long time, better promotion the water -proof effects in section of jurisdiction tunnel.
Description
Technical field
This utility model belongs to tunnels and underground engineering technical field, is specifically related to a kind of shield or the multi layer waterproof tunnel segment structure in TBM method tunnel.
Background technology
Along with improving constantly of the technology of building, its construction level and construction requirements, increasing new technique, new technology, novel construction method are applied in the construction of tunnels and underground engineering.In recent years, shield or TBM engineering method are on the increase in railway, water conservancy project, subway, municipal administration and highway engineering, be increasingly becoming all kinds of under wear the first-selected engineering method of waters, city, city and plateau High aititude major long tunnel, have quickly, safety, high-quality, efficiently, environmental protection, cavitation, the plurality of advantages such as people-oriented.
Shield or TBM method tunnel adopt pipe-plate lining supporting cavitation, assembled fast, easy to implement in tunnel segment structure hole, can provide oil cylinder pushing reaction for the driving of shield or TBM simultaneously.Section of jurisdiction adopts the prefabricated maintaining production of batch production, structural body quality is guaranteed, good water-proof effect, but owing to piecemeal is assembled, seam is more, the seam waterproof of section of jurisdiction is shield or the link of TBM tunnel weakness relatively all the time, is also section of jurisdiction class supporting tunnel durability and the important factor in order of safe operation use.
Shield or TBM method tunnel adopt tunnel segment structure supporting and waterproof, Normal practice generally only sets one waterproof measure, namely sets one porous type ethylene propylene diene rubber elastic sealing gasket, in conjunction with section of jurisdiction size, the width of sealing gasket is between 35～70mm, and thickness is between 20～30mm.Affected by shield actual driving correction, faulting of slab ends is there will be after pipe sheet assembling, dislocation, float, inner arc is not smoother, the problems such as seam does not line up, consider further that the operation impacts such as not firm and section of jurisdiction construction assembly installed by waterstop, indivedual sealing rods there will be the changing of the relative positions or displacement, and all kinds of assembled error of section of jurisdiction affects the nip width of waterstop on two pieces of sections of jurisdiction the most at last, the effectively extruding contact area making waterstop is impaired, even occur time serious that the waterstop end face of two pieces of sections of jurisdiction cannot form the phenomenon of extruding, also effective seam waterproof cannot just be formed, or the actual waterproof effect causing segment joint is had a greatly reduced quality, cause under the effect of extraneous subsoil water, segment joint place was partially formed aquaporin or percolating water occurred, thus have impact on the overall result of use in tunnel.
Summary of the invention
The purpose of this utility model is to provide a kind of shield or the multi layer waterproof tunnel segment structure in TBM method tunnel, meets the safe handling of shield tunnel and permanent Operational requirements, better promotes the waterproof effect in tunnel, section of jurisdiction.
The technical scheme that this utility model adopts is:
A kind of multi layer waterproof tunnel segment structure in shield or TBM method tunnel, it is characterised in that:
Including the more piece annular element longitudinally spliced successively along tunnel, often joint annular element includes the polylith section of jurisdiction of ring-type splicing, and the pipe-plate lining circumferential weld of hoop and longitudinal Longitudinal Seam of Lining Segments are integrally formed；
Pipe-plate lining circumferential weld and Longitudinal Seam of Lining Segments place are provided with multi layer waterproof structure, including multiple tracks groove and implant.
The section of jurisdiction of annular element includes bind block, section of jurisdiction, a piece of section of jurisdiction and binds some section of jurisdiction adjacent block of block both sides and some section of jurisdiction calibrated bolcks of remainder, hoop splicing composition annular element.
Section of jurisdiction is provided with for mutually splicing fixing segment bolt hole with adjacent section of jurisdiction, adopts high-strength bolt to be connected with each other.
Annular element adopts the mode of longitudinal through seam assembling or staggered joint erection to be connected.
Pipe-plate lining circumferential weld and Longitudinal Seam of Lining Segments place are from being provided with filleting groove inside section of jurisdiction outboard structure groove, section of jurisdiction first waterproof measure groove, section of jurisdiction second waterproof measure groove and section of jurisdiction outside to inside；
Section of jurisdiction outboard structure groove, section of jurisdiction first waterproof measure groove and section of jurisdiction second waterproof measure groove are positioned at seam outer end and connect successively, and inside section of jurisdiction, filleting groove is positioned at seam the inner.
Pipe-plate lining circumferential weld and Longitudinal Seam of Lining Segments are from being provided with filleting groove inside section of jurisdiction outboard structure groove, section of jurisdiction first waterproof measure groove, section of jurisdiction second waterproof measure groove and section of jurisdiction outside to inside；
Section of jurisdiction outboard structure groove and section of jurisdiction first waterproof measure groove are positioned at seam outer end and connect, and inside section of jurisdiction second waterproof measure groove and section of jurisdiction, filleting groove is positioned at seam the inner and connects.
The relative contact of section of jurisdiction outboard structure groove is provided with sponge rubber bar；
It is provided with porous type ethylene propylene diene rubber elastic sealing gasket in the first waterproof measure groove of section of jurisdiction；
The relative contact of section of jurisdiction second waterproof measure groove is provided with hydro-expansive rubber bar；
It is provided with caulking material in filleting groove inside section of jurisdiction.
This utility model has the advantage that
1, by the structural shape of appropriateness local directed complete set section of jurisdiction, increase multi layer waterproof measure, under the premise not affecting the normal stress in section of jurisdiction, the water resistance of section of jurisdiction is greatly improved, effective quasi-complement weak link of pipe-plate lining supporting；
2, each road waterproof measure is arranged at the relevant position of section of jurisdiction in advance on ground, can implement, easily implement, and quality can ensure；
3, setting twice or multi layer waterproof measure on section of jurisdiction, the protection main points of per pass measure emphasize particularly on different fields, and be combined with each other, each other quasi-complement, and the waterproof effect of entire combination is more preferably；
4, according to tunnel segment structure size and shield (TBM) oil cylinder pushing tow force request, when conditions permit, the groove installing waterstop reserved on section of jurisdiction can be amplified as far as possible, the waterstop of large-size is installed as far as possible, guarantee in practice of construction, assembled error occurs in section of jurisdiction, waterstop still can have certain effective contact area, improves waterproof effect reliability；
5, by tunnel segment structure local is suitably adjusted on the basis of conventional section of jurisdiction waterproof, increase the waterproof measure that some roads are different, waterproof effect and the waterproof reliability in section of jurisdiction tunnel can be substantially improved when being increased investment amount and being little, be conducive to the durability in tunnel and permanent operation security, maintenance work and the expenses such as release later stage a lot of tunnel leak stopping water, comprehensive improvement, lining cutting change, life-cycle life cycle comprehensive benefit is high.
Accompanying drawing explanation
Fig. 1 is pipe-plate lining ring block diagram.
Fig. 2 is pipe-plate lining plane of a loop expanded view.
Fig. 3 is profile (1).
Fig. 4 is profile (2).
Fig. 5 is profile (3).
Fig. 6 is porous type ethylene propylene diene rubber elastic sealing gasket drawing.
In figure: the calibrated bolck of 1-section of jurisdiction, 2-section of jurisdiction adjacent block, 3-binds section of jurisdiction block, the each piecemeal corresponding angle in 4-section of jurisdiction, 5-section of jurisdiction internal diameter, 6-section of jurisdiction external diameter, 7-segment bolt hole, 8-pipe-plate lining circumferential weld, 9-Longitudinal Seam of Lining Segments, 10-pipe-plate lining ring width, 11-section of jurisdiction outboard structure groove, 12-section of jurisdiction first waterproof measure groove, 13-section of jurisdiction second waterproof measure groove, 14-section of jurisdiction ring longitudinal joint contact surface, filleting groove inside 15-section of jurisdiction, 16-sponge rubber bar, 17-porous type ethylene propylene diene rubber elastic sealing gasket, 18-hydro-expansive rubber bar, 19-power transmission liner, 20-caulking material, 21-elastic sealing gasket bosom hole, 22-elastic sealing gasket internal edges side cavities, 23-elastic sealing gasket and contact surface place, section of jurisdiction hole.
Detailed description of the invention
Below in conjunction with detailed description of the invention, this utility model is described in detail.
This utility model is the more reliable and effective structure and the waterproof type that adopt pipe-plate lining supporting, meet the safe handling in shield or TBM method tunnel and permanent Operational requirements, better promote the waterproof effect in tunnel, section of jurisdiction, especially can as under wear tunnel, waters, high-pressure water-enriched tunnel and circuit run structure and the waterproof pattern in tunnel under higher ranked condition, it is more beneficial for the safe operation in tunnel, enhances reliability and the durability of tunnel structure.
A kind of shield that this utility model relates to or the multi layer waterproof tunnel segment structure in TBM method tunnel, including the more piece annular element longitudinally spliced successively along tunnel, often joint annular element includes the polylith section of jurisdiction of ring-type splicing, forms the pipe-plate lining circumferential weld 8 of hoop and longitudinal Longitudinal Seam of Lining Segments 9.The section of jurisdiction of annular element includes bind block 3, section of jurisdiction, a piece of section of jurisdiction and binds some section of jurisdiction adjacent block 2 of block 3 both sides and some section of jurisdiction calibrated bolcks 1 of remainder, hoop splicing composition annular element.Annular element adopts the mode of longitudinal through seam assembling or staggered joint erection to be connected.Section of jurisdiction is provided with for mutually splicing fixing segment bolt hole 7, i.e. hand hole with adjacent section of jurisdiction, is connected with each other by high-strength bolt.
Pipe-plate lining circumferential weld 8 and Longitudinal Seam of Lining Segments 9 place are provided with multi layer waterproof structure, including multiple tracks groove and implant.Referring to Fig. 3～Fig. 5, the version at pipe-plate lining circumferential weld 8 and Longitudinal Seam of Lining Segments 9 place includes two kinds:
In Fig. 3, pipe-plate lining circumferential weld 8 and Longitudinal Seam of Lining Segments 9 are from being provided with filleting groove 15 inside section of jurisdiction outboard structure groove 11, section of jurisdiction first waterproof measure groove 12, section of jurisdiction second waterproof measure groove 13 and section of jurisdiction outside to inside.Section of jurisdiction outboard structure groove 11, section of jurisdiction first waterproof measure groove 12 and section of jurisdiction second waterproof measure groove 13 are positioned at seam outer end and connect successively, and inside section of jurisdiction, filleting groove 15 is positioned at seam the inner.
In Fig. 4, pipe-plate lining circumferential weld 8 and Longitudinal Seam of Lining Segments 9 are from being provided with filleting groove 15 inside section of jurisdiction outboard structure groove 11, section of jurisdiction first waterproof measure groove 12, section of jurisdiction second waterproof measure groove 13 and section of jurisdiction outside to inside.Section of jurisdiction outboard structure groove 11 and section of jurisdiction first waterproof measure groove 12 are positioned at seam outer end and connect, and inside section of jurisdiction second waterproof measure groove 13 and section of jurisdiction, filleting groove 15 is positioned at seam the inner and connects.
It is provided with multiple tracks implant in pipe-plate lining circumferential weld 8 and Longitudinal Seam of Lining Segments 9, the anti-aqueous mode of combination for " sponge rubber bar+sealing rod+filleting ", referring to Fig. 5, the relative contact of section of jurisdiction outboard structure groove 11 is provided with sponge rubber bar 16, it is provided with porous type ethylene propylene diene rubber elastic sealing gasket 17 in section of jurisdiction first waterproof measure groove 12, the relative contact of section of jurisdiction second waterproof measure groove 13 is provided with hydro-expansive rubber bar 18, caulking material 20 it is provided with in filleting groove 15 inside section of jurisdiction, caulking material 20 adopts polyurethane sealant or polymer cement.Porous type elastic sealing gasket is generally located in the outside (near country rock side) of hydro-expansive rubber bar, as first section of jurisdiction waterproof measure；Hydro-expansive rubber bar is generally located in the inner side (inside hole) of porous type elastic sealing gasket, and as second waterproof measure, the subsoil water that local leaks through porous type elastic sealing gasket does further closure, forms " dual fail-safe " of section of jurisdiction waterproof.Also dependent on actual requirement of engineering, in conjunction with parameters such as tunnel segment structure size and waterproof measures, adopting multi layer waterproof measure to be mutually combined, waterproof level also can be mutually adjusted, by that analogy.
Ethylene propylene diene rubber elastic sealing gasket is porous type, namely has all kinds of holes of different pattern inside sealing gasket by different rule distributions.According to requirements, the hole pattern within sealing gasket has circle, semicircle, triangle, ellipse, square, special-shaped etc., or adopts the integrated mode of all kinds of hole pattern.Sealing gasket has certain compression ratio, and there is certain consistency and elasticity, can suitably compression after being extruded by external force, make contact surface more flexible, uniform, closely connected, the durability of its material self and the design life of institute's application structure to be mutually matched, in service life, also need possess certain compression stress conservation rate, to guarantee that it has certain closing contact power all the time simultaneously.Porous type ethylene propylene diene rubber elastic sealing gasket is as topmost one waterproof measure in section of jurisdiction, and its size is relevant with section of jurisdiction body dimension, and determines according to the groove size reserved on tunnel segment structure；For porous type ethylene propylene diene rubber elastic sealing gasket, the water resistance of sealing gasket all can be affected by different sectional forms, different sectional dimensions, different hole patterns, different hole distributions, different perforate ratios and different quality of rubber materials etc..
Do not affecting tunnel segment structure structure and bolt hole setting, when meeting driving oil cylinder pushing tow section of jurisdiction force request, the groove size of reserved waterstop on section of jurisdiction can be strengthened as far as possible, waterstop or the waterproof measure of bigger width dimensions were installed in order to the later stage, guarantee that section of jurisdiction is formed in certain alignment error when dislocation or faulting of slab ends, still certain effective contact area can be had, thus forming effective waterproof between the waterstop of adjacent section of jurisdiction.
This utility model is a kind of supporting construction in tunnel, when adopting shield or the construction of TBM engineering method when tunnel, follow-up lining cutting can adopt tunnel segment structure, outside hole prefabricated in advance, in hole, assembled molding, belongs to prefbricated tunnel lining structure, adopts high strength exploitation between section of jurisdiction, assist corresponding waterproof measure, once supporting cavitation.Section of jurisdiction adopts batch production prefabricated, and mold straight-lined manufacturing transports scene, tunnel to and carries out consolidation service after maintenance molding.Section of jurisdiction is reinforced concrete structure, it is possible to for steel fiber reinforced concrete segment, steel pipe sheet, cast-iron segment and compound section of jurisdiction etc..Set multi layer waterproof measure is installed on the ground in advance before assembly by section of jurisdiction in hole, and section of jurisdiction extrudes each road waterproof measure by seam crossing after assembly in hole and realizes waterproof.
Carry out Prefabrication the maintenance molding of section of jurisdiction, reach after by force intensity and instructions for use in section of jurisdiction, install each road waterproof measure, and proportionate sampling, every stress performance of section of jurisdiction body, anti-permeability performance, segments' joints waterproofing performance etc. are carried out related check, and qualified rear can be used for on-site consolidation.Section of jurisdiction is assembled cyclization in tunnel, along with shield is tunneled forward, propelling cylinder pushing tow applies counter-force on section of jurisdiction, section of jurisdiction is formed extrusion effect, ring longitudinal joint alignment in section of jurisdiction compresses, and installs bolt tightening and form entirety, mutual extrusion ring, longitudinal waterproof measure while the cavitation of section of jurisdiction, form final section of jurisdiction supporting and water-proof system, meet tunnel structure safety and run instructions for use for a long time.
After application this utility model, pipe sheet assembling and waterproof effect are all fine, almost without any breakthrough in tunnel, the highest have at present born 40～70m head pressure.Along with the tunnel cross-section size adopted in concrete engineering, tunnel segment structure pattern, section of jurisdiction relevant parameter, the differences such as section of jurisdiction water-proofing composition pattern and periphery geological conditions, its relevant parameter such as pipe-plate lining physical dimension, pipe-plate lining piecemeal pattern, section of jurisdiction waterproof measure compound mode, the reserved groove pattern of tunnel segment structure and position, the physical dimension of porous type ethylene propylene diene rubber elastic sealing gasket, material, inner void pattern and distribution mode, the parameters such as segment bolt hole and injected hole position, all can according to actual requirement of engineering, treatment in accordance with local conditions, specifically determine, either large or small, more or less, long or short, strong or weak.
Content of the present utility model is not limited to cited by embodiment, the conversion of any equivalence that technical solutions of the utility model are taked by those of ordinary skill in the art by reading this utility model description, is claim of the present utility model and is contained.
Claims (7)
1. the multi layer waterproof tunnel segment structure in a shield or TBM method tunnel, it is characterised in that:
Including the more piece annular element longitudinally spliced successively along tunnel, often joint annular element includes the polylith section of jurisdiction of ring-type splicing, and the pipe-plate lining circumferential weld (8) of hoop and longitudinal Longitudinal Seam of Lining Segments (9) are integrally formed；
Pipe-plate lining circumferential weld (8) and Longitudinal Seam of Lining Segments (9) place are provided with multi layer waterproof structure, including multiple tracks groove and implant.
2. the multi layer waterproof tunnel segment structure in a kind of shield according to claim 1 or TBM method tunnel, it is characterised in that:
The section of jurisdiction of annular element includes bind block (3), section of jurisdiction, a piece of section of jurisdiction and binds some section of jurisdiction adjacent block (2) of block (3) both sides and some section of jurisdiction calibrated bolcks (1) of remainder, hoop splicing composition annular element.
3. the multi layer waterproof tunnel segment structure in a kind of shield according to claim 1 or TBM method tunnel, it is characterised in that:
Section of jurisdiction is provided with for mutually splicing fixing segment bolt hole (7) with adjacent section of jurisdiction, adopts high-strength bolt to be connected with each other.
4. the multi layer waterproof tunnel segment structure in a kind of shield according to claim 1 or TBM method tunnel, it is characterised in that:
Annular element adopts the mode of longitudinal through seam assembling or staggered joint erection to be connected.
5. the multi layer waterproof tunnel segment structure in a kind of shield according to claim 1 or TBM method tunnel, it is characterised in that:
Pipe-plate lining circumferential weld (8) and Longitudinal Seam of Lining Segments (9) place are from being provided with filleting groove (15) inside section of jurisdiction outboard structure groove (11), section of jurisdiction first waterproof measure groove (12), section of jurisdiction second waterproof measure groove (13) and section of jurisdiction outside to inside；
Section of jurisdiction outboard structure groove (11), section of jurisdiction first waterproof measure groove (12) and section of jurisdiction second waterproof measure groove (13) are positioned at seam outer end and connect successively, and inside section of jurisdiction, filleting groove (15) is positioned at seam the inner.
6. the multi layer waterproof tunnel segment structure in a kind of shield according to claim 1 or TBM method tunnel, it is characterised in that:
Pipe-plate lining circumferential weld (8) and Longitudinal Seam of Lining Segments (9) are from being provided with filleting groove (15) inside section of jurisdiction outboard structure groove (11), section of jurisdiction first waterproof measure groove (12), section of jurisdiction second waterproof measure groove (13) and section of jurisdiction outside to inside；
Section of jurisdiction outboard structure groove (11) and section of jurisdiction first waterproof measure groove (12) are positioned at seam outer end and connect, and inside section of jurisdiction second waterproof measure groove (13) and section of jurisdiction, filleting groove (15) is positioned at seam the inner and connects.
7. the multi layer waterproof tunnel segment structure in a kind of shield according to claim 5 or 6 or TBM method tunnel, it is characterised in that:
The relative contact of section of jurisdiction outboard structure groove (11) is provided with sponge rubber bar (16)；
Porous type ethylene propylene diene rubber elastic sealing gasket (17) it is provided with in section of jurisdiction first waterproof measure groove (12)；
The relative contact of section of jurisdiction second waterproof measure groove (13) is provided with hydro-expansive rubber bar (18)；
Caulking material (20) it is provided with in filleting groove (15) inside section of jurisdiction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620090959.3U CN205349377U (en) | 2016-01-29 | 2016-01-29 | Waterproof section of jurisdiction of multichannel structure in shield structure or TBM method tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620090959.3U CN205349377U (en) | 2016-01-29 | 2016-01-29 | Waterproof section of jurisdiction of multichannel structure in shield structure or TBM method tunnel |
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| CN205349377U true CN205349377U (en) | 2016-06-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108316934A (en) * | 2018-04-18 | 2018-07-24 | 中铁二院工程集团有限责任公司 | A kind of shield machine of the assembled prefabricated secondary lining function of band |
| CN108678782A (en) * | 2018-05-11 | 2018-10-19 | 同济大学 | A kind of high hydraulic pressure duct pieces of shield tunnel seam multi layer waterproof device of reserved injected hole |
| CN108678782B (en) * | 2018-05-11 | 2024-05-31 | 同济大学 | High water pressure shield tunnel segment joint multichannel watertight fittings of slip casting hole is reserved |
-
2016
- 2016-01-29 CN CN201620090959.3U patent/CN205349377U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108316934A (en) * | 2018-04-18 | 2018-07-24 | 中铁二院工程集团有限责任公司 | A kind of shield machine of the assembled prefabricated secondary lining function of band |
| CN108316934B (en) * | 2018-04-18 | 2024-01-23 | 中铁二院工程集团有限责任公司 | Shield tunneling machine with splicing and prefabricating secondary lining functions |
| CN108678782A (en) * | 2018-05-11 | 2018-10-19 | 同济大学 | A kind of high hydraulic pressure duct pieces of shield tunnel seam multi layer waterproof device of reserved injected hole |
| CN108678782B (en) * | 2018-05-11 | 2024-05-31 | 同济大学 | High water pressure shield tunnel segment joint multichannel watertight fittings of slip casting hole is reserved |
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