CN112709586B - Water-soluble slow-expansion water stop strip and method for fixing water stop strip in tunnel lining - Google Patents
Water-soluble slow-expansion water stop strip and method for fixing water stop strip in tunnel lining Download PDFInfo
- Publication number
- CN112709586B CN112709586B CN202011565222.XA CN202011565222A CN112709586B CN 112709586 B CN112709586 B CN 112709586B CN 202011565222 A CN202011565222 A CN 202011565222A CN 112709586 B CN112709586 B CN 112709586B
- Authority
- CN
- China
- Prior art keywords
- water stop
- fixing
- stop strip
- water
- tunnel lining
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000004568 cement Substances 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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 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
- E21D11/381—Setting apparatus or devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention relates to a water stop strip fixing method in tunnel engineering construction, in particular to a water stop strip fixing method in tunnel lining, which aims to solve the problems of low water stop strip installation reliability and poor water stop sealing effect when the existing water stop strip fixing method is fixed through cement nails. The technical scheme adopted by the invention is as follows: a method for fixing a water stop strip in a tunnel lining comprises the following steps: step 1) processing a plurality of groups of fixing components, wherein each group of fixing components comprises an embedded part and two fixing blocks; step 2) when the concrete is used for pouring the lining, a plurality of embedded parts with binding belts penetrating through the inside are poured at equal intervals at the bottom of the reserved groove to be formed; step 3) continuing pouring lining to form a reserved groove; step 4) putting a water stop strip coated with a water-soluble film into the reserved groove; step 5), respectively sleeving fixed blocks at two ends of each binding belt, and then knotting the two ends of each binding belt above the water stop strip; and 6) continuing pouring concrete to finish lining repair.
Description
Technical Field
The invention relates to a water stop strip fixing method in tunnel engineering construction, in particular to a water stop strip capable of slowly dissolving and expanding when meeting water and a water stop strip fixing method in tunnel lining.
Background
The longitudinal construction joint of the tunnel lining is a weak link for the waterproof of the tunnel structure, the longitudinal embedded water stop bars are buried to effectively prevent the problems of water seepage, water leakage and the like at the construction joint, a groove is reserved in the longitudinal direction of the lining, then the water stop bars which can expand when meeting water are embedded, the water stop bars are nailed into the lining at the bottom of the groove by cement nails, and the cement nails have a certain damage effect on the water stop bars and have poor firmness.
Disclosure of Invention
The invention aims to solve the problems that the existing water stop bar fixing method is low in water stop bar installation reliability and poor in water stop sealing effect caused by the fact that cement nails damage water stop bars when the cement nails are installed and fixed and the concrete is vibrated to easily cause the cement nails to fall off, and provides the water stop bar fixing method in tunnel lining.
The technical scheme adopted by the invention is as follows: the method for fixing the water stop strip in the tunnel lining is characterized by comprising the following steps of:
step 1) processing a plurality of groups of fixing components, wherein each group of fixing components comprises an embedded part with a transverse threading hole inside and two fixing blocks with longitudinal threading holes inside;
step 2) when concrete is used for pouring lining, binding belts are arranged in the transverse threading holes of each embedded part in a penetrating mode, and a plurality of embedded parts with binding belts arranged inside are transversely poured at the bottoms of the embedded parts at equal intervals along the reserved grooves to be arranged; the horizontal threading holes are required to be horizontally arranged, and the two ends of the binding belt are upward;
step 3) continuing pouring the lining to form a reserved groove, and respectively extending two ends of the binding belt out of the top surface of the lining from two sides of the reserved groove;
step 4) putting a water stop strip coated with a water-soluble film into the reserved groove;
step 5), respectively sleeving fixed blocks at two ends of each binding belt, and then knotting the two ends of each binding belt above the water stop strip;
and 6) continuing pouring concrete to finish lining construction.
Further, in the step 2), the distance between two adjacent embedded parts is set to be 0.5 m-1.5 m.
Further, in step 1), the length of the embedded part is greater than the width of the reserved groove.
Further, in step 1), the embedded part is cylindrical, and diameters of two ends of the embedded part are larger than those of the middle section.
Further, in the step 3), the height of the two fixing blocks and the depth of the reserved groove are half of the height of the water bar.
Further, in step 1), the embedded part is a plastic part or a cement block.
Further, in step 1), the fixing block is a plastic piece or a cement block.
Further, in the step 2), the binding belt is an iron wire.
Further, in step 4), the water-soluble film is wound or coated on the water stop strip.
Further, in the step 4), the dissolution time of the water-soluble film is 1-5 days, and the water-soluble film is made of a water-soluble polymer material capable of being rapidly dissolved in water through a specific film forming process, so that the water-soluble degradable green packaging material is provided.
The invention also provides a water-soluble and slowly-soluble expansion water stop strip, which is wound or coated with a water-soluble film, wherein the dissolution time of the water-soluble film is 1-5 days.
Compared with the prior art, the invention has the following beneficial effects.
1. According to the method for fixing the water stop in the tunnel lining, the embedded part is poured at the bottom of the reserved groove, so that the binding belt can be reliably limited in concrete, the fixing firmness of the binding belt is enhanced, the central position of the water stop is limited by the matched use of the fixing blocks and the knotting of the binding belt, the contact area between the binding belt and the water stop is increased by the fixing blocks, the binding deformation of the water stop caused by binding of the binding belt is avoided, the spatial position for installing the water stop is more accurate, and the waterproof performance of a tunnel is improved.
2. According to the method for fixing the water stop in the tunnel lining, the length of the embedded part is larger than the width of the reserved groove, so that the installation tightness of the embedded part can be improved; and the diameters of the end surfaces of the two ends of the embedded part are larger than the diameter of the middle section, so that the strength of the embedded part is increased, and the fracture in the fixing process of the two ends of the embedded part is avoided.
3. According to the method for fixing the water stop in the tunnel lining, provided by the invention, the limit fixation of the water stop can be realized by only using leftover materials such as plastic pipes or perforated cement blocks in the construction process without changing field facilities, so that the materials are saved, and the fixation cost of the water stop is reduced.
Drawings
Fig. 1 is a structural view (cross section along a water stop) of a fixing assembly used in a method for fixing a water stop in a tunnel lining according to the present invention.
Fig. 2 is a partial cross-sectional view (partially cross-sectional view along the longitudinal direction of the water stop) of a fixing assembly used in a method for fixing the water stop in a tunnel lining according to the present invention.
Fig. 3 is an enlarged view at a in fig. 1.
In the figure:
1-embedded parts, 2-binding belts, 3-fixing blocks, 4-reserved grooves and 5-water stopping strips.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is apparent that the described embodiments do not limit the present invention.
Referring to fig. 1, 2 and 3, the method for fixing the water stop strip in the tunnel lining in the embodiment specifically includes the following steps:
step 1) processing a plurality of groups of fixing components, wherein each group of fixing components comprises an embedded part 1 with a transverse threading hole in the inside and two fixing blocks 3 with longitudinal threading holes in the inside, the embedded part 1 is cylindrical, the length of the embedded part 1 is larger than the width of a reserved groove 4, and the diameters of two ends of the embedded part 1 are larger than the diameter of a middle section;
step 2) when concrete pouring lining is performed, a binding belt 2 is arranged in a transverse threading hole of each embedded part 1 in a penetrating mode, iron wires are adopted by the binding belt 2, a plurality of embedded parts 1 internally provided with the binding belt 2 in a penetrating mode are poured at the bottom of a reserved groove 4 at equal intervals along the reserved groove 4 to be arranged, and the distance between every two adjacent embedded parts 1 is set to be 1m; the horizontal threading holes are required to be horizontally arranged, and the two ends of the binding belt 2 are upward;
step 3) continuing pouring the lining to form a reserved groove 4, wherein two ends of the binding belt 2 extend out of the top surface of the lining from two sides of the reserved groove 4 respectively, and the depth of the reserved groove 4 and the height of the two fixing blocks 3 are half of the height of the water bar 5;
step 4), placing a water stop strip 5 which is wound or coated with a water-soluble film in the reserved groove 4, wherein the dissolution time of the water-soluble film is 3 days;
step 5), respectively sleeving fixed blocks 3 on two ends of each binding belt 2, enabling longitudinal threading holes of the fixed blocks 3 to be vertically arranged, and then knotting two ends of each binding belt 2 above the water stop strips 5;
and 6) continuing pouring concrete to finish lining construction.
In step 1), the embedded part 1 may be a plastic part or a cement block, and the fixing block 3 may be a plastic part or a cement block.
In the step 4), the water-soluble film is made of a water-soluble polymer material which can be rapidly dissolved in water through a specific film forming process, and is a water-soluble degradable green packaging material.
The embodiment also provides a water-soluble and slowly-soluble expansion water stop strip, wherein the water stop strip is wound or coated with a water-soluble film, and the dissolution time of the water-soluble film is 1-5 days.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The method for fixing the water stop strip in the tunnel lining is characterized by comprising the following steps of:
step 1) processing a plurality of groups of fixing components, wherein each group of fixing components comprises an embedded part (1) with a transverse threading hole inside and two fixing blocks (3) with longitudinal threading holes inside;
when the step 2) of concrete pouring lining is performed, a binding belt (2) is penetrated in a transverse threading hole of each embedded part (1), and a plurality of embedded parts (1) internally penetrated with the binding belt (2) are transversely poured at the bottom of each embedded part at equal intervals along a reserved groove (4) to be reserved; the horizontal threading holes are required to be horizontally arranged, and the two ends of the binding belt (2) are upward;
step 3) continuing pouring the lining to form a reserved groove (4), and respectively extending the two ends of the binding belt (2) out of the top surface of the lining from the two sides of the reserved groove (4);
step 4), placing a water stop strip (5) coated with a water-soluble film in the reserved groove (4);
step 5), respectively sleeving fixed blocks (3) at two ends of each binding belt (2), and then knotting the two ends of each binding belt (2) above the water stop strip (5);
and 6) continuing pouring concrete to finish lining construction.
2. The method for fixing the water stop strip in the tunnel lining according to claim 1, wherein the method comprises the following steps: in the step 2), the distance between two adjacent embedded parts (1) is set to be 0.5 m-1.5 m.
3. The method for fixing the water stop strip in the tunnel lining according to claim 2, wherein the method comprises the following steps: in the step 1), the length of the embedded part (1) is larger than the width of the reserved groove (4).
4. A method for fixing a water stop in a tunnel lining according to claim 3, wherein: in the step 1), the embedded part (1) is cylindrical, and the diameters of the two ends of the embedded part (1) are larger than the diameter of the middle section.
5. The method for fixing the water stop strip in the tunnel lining according to claim 4, wherein the method comprises the following steps: in the step 3), the height of the two fixed blocks (3) and the depth of the reserved groove (4) are half of the height of the water bar.
6. The method for fixing the water stop strip in the tunnel lining according to any one of claims 1 to 5, which is characterized in that: in the step 1), the embedded part (1) is a plastic part or a cement block; the fixing block (3) is a plastic piece or a cement block.
7. The method for fixing the water stop strip in the tunnel lining according to claim 6, wherein the method comprises the following steps: in the step 2), the binding belt (2) is an iron wire.
8. The method for fixing the water stop in the tunnel lining according to claim 7, wherein the method comprises the following steps: in the step 4), the water-soluble film is wound or coated on the water stop strip (5), and the dissolution time of the water-soluble film is 1-5 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011565222.XA CN112709586B (en) | 2020-12-25 | 2020-12-25 | Water-soluble slow-expansion water stop strip and method for fixing water stop strip in tunnel lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011565222.XA CN112709586B (en) | 2020-12-25 | 2020-12-25 | Water-soluble slow-expansion water stop strip and method for fixing water stop strip in tunnel lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112709586A CN112709586A (en) | 2021-04-27 |
| CN112709586B true CN112709586B (en) | 2023-11-07 |
Family
ID=75546611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011565222.XA Active CN112709586B (en) | 2020-12-25 | 2020-12-25 | Water-soluble slow-expansion water stop strip and method for fixing water stop strip in tunnel lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112709586B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2482579Y (en) * | 2001-08-08 | 2002-03-20 | 郑远黎 | Self-adhesive sealing strap with dabber |
| CN2712998Y (en) * | 2004-06-10 | 2005-07-27 | 衡水丰泽工程橡胶科技开发有限公司 | Slowly water-swellable rubber waterstop strip |
| CN105821908A (en) * | 2016-04-12 | 2016-08-03 | 姚攀峰 | Multiple water stop belt, waterproof structure and construction method of waterproof structure |
| CN109113768A (en) * | 2018-11-06 | 2019-01-01 | 中南大学 | A kind of lining construction seam waterproof construction and waterproof method |
-
2020
- 2020-12-25 CN CN202011565222.XA patent/CN112709586B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2482579Y (en) * | 2001-08-08 | 2002-03-20 | 郑远黎 | Self-adhesive sealing strap with dabber |
| CN2712998Y (en) * | 2004-06-10 | 2005-07-27 | 衡水丰泽工程橡胶科技开发有限公司 | Slowly water-swellable rubber waterstop strip |
| CN105821908A (en) * | 2016-04-12 | 2016-08-03 | 姚攀峰 | Multiple water stop belt, waterproof structure and construction method of waterproof structure |
| CN109113768A (en) * | 2018-11-06 | 2019-01-01 | 中南大学 | A kind of lining construction seam waterproof construction and waterproof method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112709586A (en) | 2021-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100572705C (en) | Rubber water stop U anchor construction method | |
| US8683773B2 (en) | System and method for leaking crack repair | |
| US5988648A (en) | Sealing device and method for sealing concrete seams | |
| CN205557856U (en) | Leakage structure is prevented at building expansion joint | |
| CN112709586B (en) | Water-soluble slow-expansion water stop strip and method for fixing water stop strip in tunnel lining | |
| CN101356318B (en) | Precast concrete segment having connecting structure using steel duct, and connecting structure thereof | |
| CN111997101A (en) | Prestressed anti-corrosion anti-floating anchor rod and construction method | |
| AU695689B2 (en) | Connecting structure of concrete blocks and connecting method therefor | |
| CN105672324B (en) | The construction method of recyclable assembled Composition Soil Nailing Walls based on anchor cable and soil nailing | |
| CN105780940A (en) | Building expansion joint anti-seeping structure | |
| CN113756339A (en) | Construction method of prestressed anchor cable frame beam structure | |
| CN113863518A (en) | Construction method for initiation joint of integral biochemical pool | |
| CN216277925U (en) | Tunnel stagnant water fixing device | |
| CN108149673B (en) | Concrete pile and continuous seepage-proofing water-stop wall spliced by adopting same | |
| US3390498A (en) | Concrete wall with plug | |
| CN110984241A (en) | Installation method of middle-buried steel-edged rubber water stop | |
| KR200455455Y1 (en) | Index plate | |
| CN110607921B (en) | Automatic repairing leakage stoppage treatment method and waterproof leakage stoppage structure | |
| CN215105439U (en) | New and old underpass links up waterproof construction | |
| CN105672325B (en) | Recyclable assembled Foundation Supported with Composite Soil Nailing system based on anchor cable and soil nailing | |
| KR100310457B1 (en) | Waterproofing method of concrete structure | |
| CN214403610U (en) | Water stop strip fixing assembly | |
| CN111794496A (en) | Wall cast-in-place area formwork reinforcing structure and construction method | |
| CN112459127A (en) | Embedded steel edge waterstop structure in cast-in-place pipe gallery expansion joint and construction method | |
| KR200420494Y1 (en) | precast concrete culvert block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230926 Address after: Room 2005, Block A, Zhengshang International Building, South Qili Henan Road, Zhengdong New District, Zhengzhou City, Henan Province, 450000 Applicant after: China Railway First Group Seventh Engineering Co.,Ltd. Address before: 712099 No.10, 4th section road, Wujiabao, Qindu District, Xianyang City, Shaanxi Province Applicant before: CHINA RAILWAY FIRST GROUP RAILWAY CONSTRUCTION Co.,Ltd. Applicant before: CHINA RAILWAY FIRST GROUP Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |