CN205370600U - Subway tunnel prevents discharge area section and divides boundary point combination formula seepage flow to block isolating device - Google Patents
Subway tunnel prevents discharge area section and divides boundary point combination formula seepage flow to block isolating device Download PDFInfo
- Publication number
- CN205370600U CN205370600U CN201620106069.7U CN201620106069U CN205370600U CN 205370600 U CN205370600 U CN 205370600U CN 201620106069 U CN201620106069 U CN 201620106069U CN 205370600 U CN205370600 U CN 205370600U
- Authority
- CN
- China
- Prior art keywords
- tunnel
- concrete
- waterstop
- type
- drainage
- 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.)
- Active
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
- Building Environments (AREA)
Abstract
The utility model provides a subway tunnel prevents discharge area section and divides boundary point combination formula seepage flow to block isolating device, it sets up on the subway tunnel inner wall, it includes along tunnel outline a week closed setting's wedge stagnant water concrete (1), two lining concrete (7) outer plastics waterproof board (6) in the tunnel, it is provided with outer formula waterstop (3) of gluing tight plastics waterproof board (6) and two lining concrete (7) to be close to stagnant water concrete (1), be provided with the stainless steel butyl rubber waterstop that compresses tightly the plastics waterproof board basement rock (8) near pasting the formula waterstop outward. The beneficial effects of the utility model are that: can avoid waterproof type tunnel groundwater to scurry into drainage type tunnel in the tunnel engineering who prevents row combination, reduce the effluent cost of drainage section during operateing, prevent scurrying the water technique for what prevent that row mating type tunnel provides novel practicality, require simply to construction equipment that the material is easily processed, convenient operation is nimble, and the facilitate promotion is used, and application prospect is wide, has good technological economic environment comprehensive benefit.
Description
Technical field
This utility model relates to Metro Tunnel technical field, it is adaptable to guarded drainage conjunction type tunnel separation seepage flow channeling water processes, and belongs to a kind of subway tunnel guarded drainage section separation combination type seepage flow and blocks isolating device.
Background technology
Current most domestic subway tunnel adopts water proof type, and part subway tunnel adopts dewatering type.Quickening along with Urbanization in China, the city building subway gets more and more, geological environment residing for subway tunnel also becomes increasingly complex, the geological environment complicated in order to adapt to different cities, engenders guarded drainage conjunction type tunnel (same running tunnel comprises waterproof, two kinds of patterns of draining).
But same tunnel adopts guarded drainage to be that water route is through behind with dewatering type lining cutting for water proof type in conjunction with the shortcoming of pattern, Water-proof underground water breakthrough enters dewatering type (see Fig. 1), cause tunnel drainage molded displacement excessive, during operation, effluent cost increases, and loses the advantage reduced investment outlay in dewatering type tunnel.Method typically via two backing grouting behind shaft or drift lining prevents channeling water between guarded drainage unit at present, and effect is unsatisfactory.
Utility model content
The purpose of this utility model is to provide a kind of subway tunnel guarded drainage section separation combination type seepage flow and blocks isolating device, it changes current anti-row's conjunction type tunnel separation seepage flow insurmountable present situation of channeling water problem, solve after metro operation the problem of hypervolia between catchment, reduce the draining cost during later stage operation；Construction equipment is required simple by this technology, and material is easily obtained processing, flexible to operation, can forever solve tunnel water handling separation seepage flow channeling water problem.
For achieving the above object, this utility model takes techniques below scheme:
A kind of subway tunnel guarded drainage section separation combination type seepage flow blocks isolating device, it is arranged on subway tunnel inwall, it is characterized in that: it includes within one week, closing wedge shape sealing concrete (1) arranged along tunnel outline, the drainage systems (6) that tunnel double-lining concrete (7) outer layer is arranged, the external labeling type waterstop (3) clinging drainage systems (6) with two linings concrete (7) it is provided with near sealing concrete (1), external labeling type waterstop is provided with the rustless steel butyl rubber waterstop that drainage systems is pressed to basement rock (8).
The medial surface of described external labeling type waterstop is protruding with the flange (31) at 4 intervals, the cross section of this flange is screw cross sectional shape, adopting waterproof sweat soldering (32) between two ends and the drainage systems of this external labeling type waterstop, external labeling type waterstop flange (31) pours in tunnel double-lining concrete (7).
It is pasted with double faced adhesive tape butyl rubber splicing tape (61) in the drainage systems both sides of rustless steel butyl rubber waterstop contact, this rustless steel butyl rubber waterstop and the double faced adhesive tape butyl rubber splicing tape of drainage systems, both sides, be fixed on tunnel inner wall basement rock (8) by crab-bolt (21).
The internal face in the dewatering type tunnel of the opposite side inclined-plane root of sealing concrete (1) is provided with drainage systems (6), the inner side of the close sealing concrete end of drainage systems is provided with the external labeling type waterstop (3) clinging drainage systems.
Vertically arrive bottom at the concrete apex of sealing and be provided with sealing concrete grouting pipe (4)；It is provided with water proof type tunnel grouting pipe (5) to bottom in the water proof type tunnel of inclined-plane, sealing concrete side root.
The beneficial effects of the utility model are: after adopting this utility model, and Water-proof underground water breakthrough can be avoided after tunnel double-lining has applied to enter dewatering type, the effluent cost that during reducing operation, dewatering type is interval；Provide the leakage-proof technology of novel practical for anti-row's conjunction type tunnel, construction equipment is required simple by it, and material is prone to processing, flexible to operation, it is easy to popularization and application, has a extensive future, has good Technological Economy environment comprehensive benefit.
Accompanying drawing explanation
Fig. 1 is conventional tunnel guarded drainage section separation seepage action of ground water access diagram.
Fig. 2 is that complete combination type of the present utility model blocks isolating device structure A type schematic diagram (A type is applicable to monolayer shotcrete bolt lining dewatering type tunnel and the boundary of composite lining water proof type tunnel).
Fig. 3 is that complete combination type of the present utility model blocks isolating device structure Type B schematic diagram (Type B is applicable to both sides and is anti-, the outlet tunnel boundary of composite lining).
Fig. 4 is corrosion resistant plate butyl rubber composite water stop scheme of installation.
Fig. 5 is rust steel plate butyl rubber composite water stop organigram.
Fig. 6 be external labeling type waterstop with drainage systems weld schematic diagram.
Fig. 7 is embodied as flow process signal and construction way 1 (construction, to guarded drainage seam, is carried out excavation construction and prepared).
Fig. 8 is embodied as flow process signal and construction way 2 (excavation guarded drainage seam basement rock, both sides perform preliminary bracing).
Fig. 9 is embodied as flow process signal and construction way 3 (just a surface uses polymer cement mortar levelling, performs splash guard and waterstop, reserved good Grouting Pipe).
Figure 10 is embodied as flow process signal and construction way 4 (perform sealing concrete and guarded drainage interface both sides two serve as a contrast concrete).
Drawing reference numeral: 1, sealing concrete；2, corrosion resistant plate；3, external labeling type waterstop；4, sealing concrete grouting pipe；5, water proof type tunnel grouting pipe；6, drainage systems；7, two lining concrete；8, basement rock；21, crab-bolt；31, flange；32, waterproof sweat soldering；61, double faced adhesive tape butyl rubber splicing tape；62, polymer cement mortar；71, two lined steel muscle.
Detailed description of the invention
Shown in Fig. 2 Fig. 6: a kind of subway tunnel guarded drainage section separation combination type seepage flow blocks isolating device, it is arranged on subway tunnel inwall, it includes within one week, closing the wedge shape sealing concrete 1 arranged along tunnel outline, the drainage systems 6 that tunnel double-lining concrete seven outer layer is arranged, it is provided with the external labeling type waterstop 3 clinging drainage systems 6 and two lining concrete sevens near sealing concrete 1, external labeling type waterstop is provided with the rustless steel butyl rubber waterstop that drainage systems is pressed to basement rock 8.
The medial surface of described external labeling type waterstop is protruding with the flange 31 at 4 intervals, and the cross section of this flange is screw cross sectional shape, adopts waterproof sweat soldering 32 between two ends and the drainage systems of this external labeling type waterstop, and flange 31 pours in tunnel double-lining concrete seven.
It is pasted with double faced adhesive tape butyl rubber splicing tape 61 in the drainage systems both sides of rustless steel butyl rubber waterstop contact, this rustless steel butyl rubber waterstop and the double faced adhesive tape butyl rubber splicing tape of drainage systems, both sides, be fixed on tunnel inner wall basement rock 8 by crab-bolt 21.
The two lining concrete seven outer layers in sealing concrete 1 opposite side dewatering type tunnel arrange drainage systems 6, are provided with the external labeling type waterstop 3 clinging drainage systems and two lining concrete sevens near the inner side of sealing concrete end at drainage systems 6.
Vertically arrive bottom on the top of the concrete triangle of sealing and be provided with sealing concrete grouting pipe 4；Water proof type tunnel grouting pipe 5 it is provided with outside the water proof type tunnel double-lining concrete seven of sealing concrete side.
According to specifically used environment, this utility model is divided into A, Type B.A type is applicable to monolayer shotcrete bolt lining dewatering type tunnel and the boundary of composite lining water proof type tunnel, and Type B is applicable to both sides and is anti-, the outlet tunnel boundary of composite lining, and each several part major function is as follows:
Sealing concrete 1: adopt high-performance microdilatancy impervious concrete, add hydrophobicity hydrophobic compound hole bolt thing in concrete or cementitious capillary waterproofing material closed interior capillary porosity reaches from close property effect, and in sealing concrete, reserve the sealing concrete grouting pipe 4 of repeatable slip casting, for sealing concrete back-grouting, sealing concrete does not perform just gunite concrete and outsourcing splash guard, ensure that sealing concrete and basement rock are tightly combined, it is ensured that block the waterway channel near country rock side between guarded drainage type completely.
Rustless steel butyl rubber waterstop: be made up of corrosion resistant plate 2, crab-bolt 21, double faced adhesive tape butyl rubber splicing tape 61, is combined installation with drainage systems 6, blocks the seepage channel (see Fig. 4, Fig. 5) outside drainage systems and between preliminary bracing
External labeling type waterstop 3: be combined use (Fig. 6) with drainage systems, blocks the seepage channel inside drainage systems 6 and between two linings.
Sealing concrete grouting pipe 4 and water proof type tunnel grouting pipe 5: the Grouting Pipe 4 and 5 of pre-buried repeatable slip casting before applying sealing concrete and water proof type tunnel double-lining, treat sealing concrete and two lining initial set grouting behind shaft or drift lining, closely knit imporosity after guarantee sealing concrete and two backings, and can take the circumstances into consideration to repeat slip casting in the later stage.
The signal of concrete application flow and the construction way of subway tunnel guarded drainage section separation combination type seepage flow blocking-up isolating device are shown in shown in accompanying drawing 7-10.
Combination type blocks the concrete application flow of isolating device, comprises combination type and blocks Application Design scheme and two aspects of construction technology of isolating device.
Described combination type blocks the Application Design scheme key parameter of isolating device:
1, rational guarded drainage unit is divided according to tunnel (structure) geological conditions and surrounding enviroment, for preventing subsoil water seepage flow between waterproof/drainage structure, this device should be arranged on position, guarded drainage boundary, and should be arranged at geology good basement rock 8 location as far as possible.
2, block isolating device and need to ensure that drainage systems and inner side two serve as a contrast being seamless bonding of concrete seven and outside cement mortar screeding layer, the flexible material that ductility is good need to be chosen, select 1.5mm thickness double-sided adhesive butyl rubber splicing tape 61, outside being fixed on by splicing tape in drainage systems, then adopt corrosion resistant plate 2 and crab-bolt 21 that adhesive tape and drainage systems are fixed on a just surface.
3, sealing concrete 1 adopts high-performance microdilatancy impervious concrete, add hydrophobicity hydrophobic compound hole bolt thing in concrete or cementitious capillary waterproofing material closed interior capillary porosity reaches from close property effect, and in sealing concrete, reserve the sealing concrete grouting pipe 4 of repeatable slip casting, for sealing concrete back-grouting, it is ensured that sealing concrete and basement rock 8 are combined closely.
Described combination type blocks isolating device construction technology critical process:
Should strict controlled blasting effect when 1, blocking isolating device region basement rock excavation, it is to avoid backbreak and owe to dig, to ensure that leakage-proof device and basement rock are tightly combined, it is ensured that leakage-proof effect.
2, preliminary bracing is applied after having excavated, after just a surface uses polymer cement mortar 62 levelling, supporting surface hangs up properly drainage systems 6 in the early stage, butyl rubber adhesive tape sticks at drainage systems both sides, again stainless-steel sheet is affixed near two lining butyl rubber adhesive tape surfaces, side, a superficial compaction at the beginning of this corrosion resistant plate butyl rubber composite water stop being fixed on by crab-bolt.
3, closely connected for ensureing sealing concrete and basement rock, sealing concrete region does not apply just gunite concrete and outsourcing macromolecule splash guard.
4, after the colligation of water proof type two lined steel muscle 71 completes, reserved good Grouting Pipe, sealing concrete 1, water proof type two are served as a contrast concrete seven and built, after concrete initial set, cement grout is injected, it is ensured that sealing concrete and water proof type tunnel concrete are combined closely with basement rock 8 from reserved sealing concrete grouting pipe 4 and water proof type tunnel grouting pipe 5.
The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; when without departing substantially from spirit and scope of the present utility model; any based on apparent changes such as the equivalent transformation on technical solutions of the utility model basis, simple replacements, belong within this utility model protection domain.
Claims (5)
1. a subway tunnel guarded drainage section separation combination type seepage flow blocks isolating device, it is arranged on subway tunnel inwall, it is characterized in that: it includes within one week, closing wedge shape sealing concrete (1) arranged along tunnel outline, the drainage systems (6) that tunnel double-lining concrete (7) outer layer is arranged, the external labeling type waterstop (3) clinging drainage systems (6) with two linings concrete (7) it is provided with near sealing concrete (1), external labeling type waterstop is provided with the rustless steel butyl rubber waterstop that drainage systems is pressed to basement rock (8).
2. subway tunnel guarded drainage section separation combination type seepage flow according to claim 1 blocks isolating device, it is characterized in that: the medial surface of described external labeling type waterstop is protruding with the flange (31) at 4 intervals, the cross section of this flange is screw cross sectional shape, adopting waterproof sweat soldering (32) between two ends and the drainage systems of this external labeling type waterstop, flange (31) pours in tunnel double-lining concrete (7).
3. subway tunnel guarded drainage section separation combination type seepage flow according to claim 2 blocks isolating device, it is characterized in that: be pasted with double faced adhesive tape butyl rubber splicing tape (61) in the drainage systems both sides of rustless steel butyl rubber waterstop contact, this rustless steel butyl rubber waterstop and the double faced adhesive tape butyl rubber splicing tape of drainage systems, both sides, be fixed on tunnel inner wall basement rock (8) by crab-bolt (21).
4. subway tunnel guarded drainage section separation combination type seepage flow according to claim 3 blocks isolating device, it is characterized in that: two lining concrete (7) outer layers in sealing concrete (1) opposite side dewatering type tunnel arrange drainage systems (6), are provided with the external labeling type waterstop (3) clinging drainage systems and two linings concrete (7) near the inner side of sealing concrete end at drainage systems (6).
5. subway tunnel guarded drainage section separation combination type seepage flow according to claim 4 blocks isolating device, it is characterized in that: sealing concrete (1) adopts high-performance microdilatancy impervious concrete, add hydrophobicity hydrophobic compound hole bolt thing in concrete or cementitious capillary waterproofing material closed interior capillary porosity reaches from close property effect, and vertically arrive bottom at the concrete apex of sealing and be provided with sealing concrete grouting pipe (4)；Water proof type tunnel double-lining concrete (7) outside in sealing concrete side is provided with water proof type tunnel grouting pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106069.7U CN205370600U (en) | 2016-02-02 | 2016-02-02 | Subway tunnel prevents discharge area section and divides boundary point combination formula seepage flow to block isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106069.7U CN205370600U (en) | 2016-02-02 | 2016-02-02 | Subway tunnel prevents discharge area section and divides boundary point combination formula seepage flow to block isolating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370600U true CN205370600U (en) | 2016-07-06 |
Family
ID=56262779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620106069.7U Active CN205370600U (en) | 2016-02-02 | 2016-02-02 | Subway tunnel prevents discharge area section and divides boundary point combination formula seepage flow to block isolating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719147A (en) * | 2021-07-29 | 2021-11-30 | 孙淮伟 | City piping lane seepage expansion joint repair system |
-
2016
- 2016-02-02 CN CN201620106069.7U patent/CN205370600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719147A (en) * | 2021-07-29 | 2021-11-30 | 孙淮伟 | City piping lane seepage expansion joint repair system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105002913B (en) | A kind of highly permeable stratum deep basal pit back cover water sealing structure and its construction method | |
| CN110878700B (en) | Tunnel waterproof structure and construction method thereof | |
| CN104895098A (en) | Piping blocking structure outside deep foundation pit underground diaphragm wall and grouting treatment method thereof | |
| CN105179011B (en) | A kind of tunnel closure facility and its method for blocking | |
| CN207892653U (en) | Decompression hydrophobic structure suitable for Weathering-residual soil layer fissure zone | |
| CN109488371B (en) | Waterproof system of full-enclosed waterproof station and dynamic setting and quantity-limiting drainage method | |
| CN215562824U (en) | Bottom plate U type deformation seam structure | |
| CN103161172B (en) | Elevator shaft bottom precipitation construction method | |
| CN202248308U (en) | Anti-seepage device for deformation joint of concrete structure | |
| CN104878783A (en) | Super-long basement concrete base plate deformation joint leakage prevention and leakage treatment method | |
| CN209339169U (en) | A kind of precipitation well in foundation pit plugging device | |
| CN202139608U (en) | Later casting zone water stopping structure of basement | |
| CN107524174A (en) | A kind of diaphragm wall I-shaped steel joint provided with water expandable waterstop | |
| CN106869946A (en) | Make bottom frozen construction method in a kind of sand-pebble layer tunneling subway station | |
| CN103590369B (en) | A kind of waterproof structure of concrete face rockfill dam joint and construction technology | |
| CN202689047U (en) | Waterproof structure applied to construction joint in fabricated tube section of immersed tube | |
| CN104790435A (en) | Post-subsidence pouring belt advancing waterstop impermeable concrete structure and construction technology thereof | |
| CN205370600U (en) | Subway tunnel prevents discharge area section and divides boundary point combination formula seepage flow to block isolating device | |
| CN211172024U (en) | A block structure for foundation ditch precipitation well | |
| CN209538214U (en) | A kind of late poured band structure of outer wall of basement | |
| CN204252148U (en) | High artesian thick sand-pebble layer deep foundation ditch slip casting back cover structure | |
| CN203583440U (en) | Waterproof structure of concrete panel rockfill dam joint | |
| CN103031849A (en) | Method for construction of arranging dewatering well in foundation pit and flexibly closing dewatering well | |
| CN204825916U (en) | Highly permeable stratum deep basal pit back cover stagnant water structure | |
| CN203613522U (en) | Easily-assembled-and-disassembled tunnel portal water-retaining device for power plant circulating water system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |