CN112709586A - Water stop rod capable of slowly dissolving and expanding in water and tunnel lining water stop rod fixing method - Google Patents
Water stop rod capable of slowly dissolving and expanding in water and tunnel lining water stop rod fixing method Download PDFInfo
- Publication number
- CN112709586A CN112709586A CN202011565222.XA CN202011565222A CN112709586A CN 112709586 A CN112709586 A CN 112709586A CN 202011565222 A CN202011565222 A CN 202011565222A CN 112709586 A CN112709586 A CN 112709586A
- Authority
- CN
- China
- Prior art keywords
- water
- water stop
- fixing
- stop strip
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000004568 cement Substances 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
Images
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 method for fixing a water stop strip in tunnel engineering construction, in particular to a method for fixing a tunnel lining water stop strip, which aims to solve the problems of low installation reliability of the water stop strip and poor water stop sealing effect when the existing water stop strip fixing method is installed and fixed through cement nails. The technical scheme adopted by the invention is as follows: a method for fixing a tunnel lining stopping water bar comprises the following steps: step 1) processing a plurality of groups of fixed assemblies, wherein each group of fixed assemblies comprises an embedded part and two fixed blocks; step 2), when concrete is cast and lined, a plurality of embedded parts with binding belts penetrating through the embedded parts are cast at the bottom of the preformed groove to be arranged at equal intervals; step 3), continuously pouring the 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 two ends of each binding belt above the water stop strips; and 6) continuously pouring concrete to finish lining repair.
Description
Technical Field
The invention relates to a method for fixing a water stop strip in tunnel engineering construction, in particular to a water stop strip capable of slowly dissolving and expanding when meeting water and a method for fixing a tunnel lining water stop strip.
Background
The longitudinal construction joint of the tunnel lining is a waterproof weak link of a tunnel structure, the longitudinal embedded water stop strip can effectively prevent water seepage and water leakage of the construction joint, the traditional method is to reserve a groove in the longitudinal direction of the lining, then embed the water stop strip capable of expanding when meeting water, the water stop strip adopts a cement nail to be nailed into the lining of the bottom of the groove, because the cement nail has certain destructive effect on the water stop strip, and the firmness is poor, in addition, when concrete is poured, because the vibrated concrete easily leads to the cement nail to fall off, the water stop strip is not centered, the height position is difficult to control, and then the waterproof effect of the tunnel is influenced.
Disclosure of Invention
The invention provides a method for fixing a water stop strip for tunnel lining, which aims to solve the problems that when the existing water stop strip fixing method is fixed through cement nails, the cement nails can damage the water stop strip, and the cement nails are easy to fall off due to vibrated concrete, so that the water stop strip is low in mounting reliability and poor in water stop sealing effect.
The technical scheme adopted by the invention is as follows: a method for fixing a tunnel lining stopping water bar is characterized by comprising the following steps:
step 1) processing a plurality of groups of fixing assemblies, wherein each group of fixing assemblies comprises an embedded part with a transverse threading hole inside and two fixing blocks with longitudinal threading holes inside;
step 2) when concrete is cast and lined, penetrating a binding belt into a transverse threading hole of each embedded part, and transversely casting a plurality of embedded parts internally penetrated with the binding belts at equal intervals on the bottoms of the embedded parts along the preformed grooves to be formed; the horizontal threading hole is required to be horizontally arranged, and both ends of the binding belt are upward;
step 3) continuously pouring the lining to form a reserved groove, wherein two ends of the binding belt respectively extend 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 two end parts of each binding belt above the water stop strips;
and 6) continuously pouring concrete to finish the construction of the lining.
Further, in the step 2), the distance between two adjacent embedded parts is set to be 0.5-1.5 m.
Further, in the step 1), the length of the embedded part is greater than the width of the reserved groove.
Further, in the step 1), the embedded part is cylindrical, and the diameters of two ends of the embedded part are larger than the diameter of the middle section.
Further, in the step 3), the height of the two fixing blocks and the depth of the reserved groove are both half of the height of the water stop bar.
Further, in the step 1), the embedded part is a plastic part or a cement block.
Further, in the step 1), the fixing block is a plastic piece or a cement block.
Further, in the step 2), the binding band 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 dissolving time of the water-soluble film is 1-5 days, and the water-soluble film is made of a water-soluble high polymer material capable of being rapidly dissolved in water by a specific film forming process and is a water-soluble degradable green packaging material.
The invention also provides a water-stop strip capable of slowly dissolving and expanding in water, wherein a water-soluble film is wound or coated on the water-stop strip, and the dissolving time of the water-soluble film is 1-5 days.
Compared with the prior art, the invention has the following beneficial effects.
According to the tunnel lining water stop strip fixing method, the built-in fitting is poured at the bottom of the preformed groove, the binding belt can be reliably limited in concrete, fixing firmness of the binding belt is enhanced, the central position of the water stop strip is limited through matching use of the fixing block and knotting of the binding belt, the fixing block increases the contact area of the binding belt and the water stop strip, binding deformation of the water stop strip due to binding of the binding belt is avoided, the spatial position for installing the water stop strip is more accurate, and the waterproof performance of the tunnel is improved.
According to the fixing method for the tunnel lining water stop strip, the installation tightness of the embedded part can be improved by setting the length of the embedded part to be larger than the width of the reserved groove; and the diameters of the end surfaces at 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 two ends of the embedded part are prevented from being broken in the fixing process.
The fixing method of the tunnel lining water stop strip is adopted, field facilities do not need to be changed when the fixing method is used, and the limit fixing of the water stop strip can be realized only by using leftover materials in the construction process, such as plastic pipes or cement blocks with holes, so that materials are saved, and the fixing cost of the water stop strip is reduced.
Drawings
Fig. 1 is a structural view (cross-sectional view taken along a water stop bar in a transverse direction) of a fixing member used in a fixing method of a tunnel lining cutting-off waterstop according to the present invention.
Fig. 2 is a partial sectional view (partial sectional view along the longitudinal direction of the water stop) of a fixing member used in a fixing method of a tunnel lining water stop strip according to the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 1.
In the figure:
1-embedded part, 2-binding belt, 3-fixing block, 4-preformed groove and 5-water-stopping strip.
Detailed Description
The technical solution 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 obvious that the described embodiments do not limit the present invention.
Referring to fig. 1, 2 and 3, the method for fixing the tunnel lining stopping water bar in the embodiment specifically includes the following steps:
step 1) processing a plurality of groups of fixed assemblies, wherein each group of fixed assemblies comprises an embedded part 1 with a transverse threading hole inside and two fixed blocks 3 with longitudinal threading holes inside, the embedded part 1 is cylindrical, the length of the embedded part 1 is greater than the width of a reserved groove 4, and the diameters of two ends of the embedded part 1 are greater than the diameter of a middle section;
step 2) when concrete is cast and lined, a binding belt 2 penetrates through a transverse threading hole of each embedded part 1, the binding belt 2 adopts iron wires, a plurality of embedded parts 1 with the binding belts 2 penetrating through are cast at the bottom of a reserved groove 4 at equal intervals along the reserved groove 4 to be set, and the distance between every two adjacent embedded parts 1 is set to be 1 m; the horizontal threading hole is required to be horizontally arranged, and both ends of the binding belt 2 are upward;
step 3) continuously 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 stop strip 5;
step 4) putting a water stop strip 5 wound or coated with a water-soluble film into the reserved tank 4, wherein the dissolving time of the water-soluble film is 3 days;
step 5) sleeving the two ends of each binding belt 2 with the fixing blocks 3 respectively to enable the longitudinal threading holes of the fixing blocks 3 to be vertically arranged, and then knotting the two ends of each binding belt 2 above the water stop strips 5;
and 6) continuously pouring concrete to finish the construction of the lining.
In the step 1), the embedded part 1 can be a plastic part or a cement block, and the fixed block 3 can be a plastic part or a cement block.
In the step 4), the water-soluble film is made of a water-soluble high polymer material which can be quickly dissolved in water by a specific film forming process, and is a water-soluble degradable green packaging material.
The embodiment also provides a water-stop strip capable of slowly dissolving and expanding in water, wherein a water-soluble film is wound or coated on the water-stop strip, and the dissolving time of the water-soluble film is 1-5 days.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method for fixing a tunnel lining stopping water bar is characterized by comprising the following steps:
step 1) processing a plurality of groups of fixing assemblies, wherein each group of fixing assemblies comprises an embedded part (1) with a transverse threading hole inside and two fixing blocks (3) with longitudinal threading holes inside;
step 2) when concrete is cast and lined, penetrating binding belts (2) into transverse threading holes of each embedded part (1), and transversely casting a plurality of embedded parts (1) with the binding belts (2) penetrating inside at equal intervals on the bottoms of the embedded parts along the to-be-set preformed grooves (4); the horizontal threading hole is required to be arranged horizontally, and both ends of the binding belt (2) are upward;
step 3), continuously 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;
step 4), a water stop strip (5) coated with a water-soluble film is placed in the reserved groove (4);
step 5) sleeving the fixed blocks (3) at the two ends of each binding belt (2) respectively, and then knotting the two ends of each binding belt (2) above the water stop strips (5);
and 6) continuously pouring concrete to finish the construction of the lining.
2. The method for fixing a stopping batten of a tunnel lining according to claim 1, wherein: in the step 2), the distance between two adjacent embedded parts (1) is set to be 0.5-1.5 m.
3. The method for fixing a stopping batten of a tunnel lining according to claim 2, wherein: in the step 1), the length of the embedded part (1) is greater than the width of the reserved groove (4).
4. A method of fixing a tunnel lining water stop strip according to claim 3, wherein: in the step 1), the embedded part (1) is cylindrical, and the diameters of two ends of the embedded part (1) are larger than the diameter of the middle section.
5. The method for fixing a tunnel lining water stop strip according to claim 4, wherein: in the step 3), the height of the two fixing blocks (3) and the depth of the reserved groove (4) are half of the height of the water stop strip.
6. The method for fixing a stopping batten for a tunnel lining according to any one of claims 1 to 5, wherein: in the step 1), the embedded part (1) is a plastic part or a cement block; the fixed block (3) is a plastic piece or a cement block.
7. The method for fixing a tunnel lining water stop strip according to claim 6, wherein: in the step 2), the binding belt (2) is an iron wire.
8. The method for fixing a stopping batten of a tunnel lining according to claim 7, wherein: in the step 4), the water-soluble film is wound or coated on the water stop strip (5), and the dissolving time of the water-soluble film is 1-5 days.
9. The utility model provides a meet water slowly dissolve inflation sealing rod which characterized in that: the water stop strip is wound or coated with a water-soluble film.
10. The water-stop rod capable of slowly dissolving in water according to claim 9, wherein: 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 true CN112709586A (en) | 2021-04-27 |
| CN112709586B 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 |
|---|---|
| CN112709586B (en) | 2023-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100572705C (en) | Rubber water stop U anchor construction method | |
| CN205557856U (en) | Leakage structure is prevented at building expansion joint | |
| CN202391019U (en) | End part thickened grouting connector of steel bar | |
| CN106436576A (en) | Constructing method of main tower of cable-stayed bridge through circumferential prestressing force | |
| CN112376624A (en) | Secondary pouring and retaining advanced water stop structure for basement floor post-cast strip and construction method | |
| CN111997101A (en) | Prestressed anti-corrosion anti-floating anchor rod and construction method | |
| CN105780940B (en) | building expansion joint anti-leakage structure | |
| CN112709586A (en) | Water stop rod capable of slowly dissolving and expanding in water and tunnel lining water stop rod fixing method | |
| AU695689B2 (en) | Connecting structure of concrete blocks and connecting method therefor | |
| CN113863518A (en) | Construction method for initiation joint of integral biochemical pool | |
| CN107542086B (en) | Anchor cable construction method for filling slope | |
| CN113756339A (en) | Construction method of prestressed anchor cable frame beam structure | |
| CN108755677B (en) | Prefabricated inner anchor head anchor rope structure for controlling grouting for multiple times | |
| US3390498A (en) | Concrete wall with plug | |
| KR200455455Y1 (en) | Index plate | |
| CN216277925U (en) | Tunnel stagnant water fixing device | |
| CN105064411A (en) | Method for building post-pouring expansion reinforcing band of wallboard of underground structure | |
| CN112281860B (en) | Inner lining wall structure and construction method thereof | |
| CN110607921B (en) | Automatic repairing leakage stoppage treatment method and waterproof leakage stoppage structure | |
| CN214403610U (en) | Water stop strip fixing assembly | |
| CN111794496A (en) | Wall cast-in-place area formwork reinforcing structure and construction method | |
| CN106320530A (en) | Interlayer connection node | |
| CN219430763U (en) | Quick-installation pile end grouting pipe | |
| WO2007096934A1 (en) | Crack inducing waterproofing method | |
| CN216713017U (en) | Prefabricated stock waist rail |
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 |