CN215330066U - Waterproof construction of tunnel roof movement joint is worn under city - Google Patents
Waterproof construction of tunnel roof movement joint is worn under city Download PDFInfo
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- CN215330066U CN215330066U CN202121229312.1U CN202121229312U CN215330066U CN 215330066 U CN215330066 U CN 215330066U CN 202121229312 U CN202121229312 U CN 202121229312U CN 215330066 U CN215330066 U CN 215330066U
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- concrete
- tunnel roof
- tunnel
- waterproof
- deformation
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- 238000010276 construction Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000010485 coping Effects 0.000 claims abstract description 20
- 239000004698 Polyethylene Substances 0.000 claims abstract description 9
- 239000006260 foam Substances 0.000 claims abstract description 9
- 238000005187 foaming Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- -1 polyethylene Polymers 0.000 claims abstract description 9
- 229920000573 polyethylene Polymers 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 239000004587 polysulfide sealant Substances 0.000 claims abstract description 6
- 239000011241 protective layer Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 229920000642 polymer Polymers 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 6
- 238000004078 waterproofing Methods 0.000 claims description 5
- 229920001021 polysulfide Polymers 0.000 claims description 3
- 239000005077 polysulfide Substances 0.000 claims description 3
- 150000008117 polysulfides Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004575 stone Substances 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model provides a waterproof structure for a deformation joint of a roof of a tunnel penetrating under a city, which comprises a tunnel roof of a concrete structure, deformation joints between adjacent tunnel roofs, a middle-buried steel-edged rubber waterstop in the middle of the deformation joints, an externally-attached rubber waterstop at the upper end of the deformation joints, a high-molecular waterproof coiled material and a fine stone concrete protective layer paved above the high-molecular waterproof coiled material, wherein low-foaming polyethylene closed-cell foam plate caulking joints are filled in the deformation joints, high-modulus polysulfide sealant and a stainless steel water receiving box are arranged at the lower ends of the deformation joints, secondary pouring coping concrete in a trapezoidal convex shape is paved at the upper end of the externally-attached rubber waterstop, and the high-molecular waterproof coiled material is paved above the secondary pouring coping concrete. The utility model solves the problems that the externally-adhered rubber water stop belt cannot be cast in situ together with the top plate and is tightly adhered, the waterproof effect of the tunnel deformation joint is enhanced, and the durability of the waterproof structure of the tunnel deformation joint is improved.
Description
Technical Field
The utility model relates to the technical field of tunnel engineering, in particular to a waterproof structure for deformation joints of a top plate of an urban underpass tunnel.
Background
The waterproof of tunnel structure is the important guarantee of tunnel normal operation, and the waterproof weak link in tunnel is located the movement joint department in tunnel usually. The waterproof structure of the common tunnel deformation joint comprises a middle-buried steel-edged rubber water stop, an externally-attached rubber water stop, a high-polymer waterproof coiled material and the like. However, the top plate of the urban underpass tunnel is different from the bottom plate and the side wall, and the upstream surface of the urban underpass tunnel is not fixed by a template, so that the externally-attached water stop belt cannot be in one-step cast-in-place molding with the top plate concrete, the two are not tightly attached, and the waterproof effect of the deformation joint of the top plate is finally greatly reduced.
Disclosure of Invention
The utility model aims to provide a waterproof structure for deformation joints of urban underpass tunnel roofs, which is strong in waterproof effect of the tunnel deformation joints and good in durability of the waterproof structure for the tunnel deformation joints.
Based on the problems, the technical scheme provided by the utility model provides a waterproof structure for deformation joints of urban underpass tunnel roofs, which comprises tunnel roofs of a concrete structure, deformation joints between adjacent tunnel roofs, a middle-buried steel edge rubber water stop in the middle of the deformation joints, an externally-attached rubber water stop at the upper ends of the deformation joints, a high-molecular waterproof coiled material and a fine stone concrete protective layer laid above the high-molecular waterproof coiled material, wherein low-foaming polyethylene closed-cell foam plate caulking joints are filled in the deformation joints, high-modulus polysulfide sealant and a stainless steel water receiving box are arranged at the lower ends of the deformation joints, secondary pouring coping concrete in a trapezoidal convex shape is laid at the upper ends of the externally-attached rubber water stops, and the high-molecular waterproof coiled material is laid above the secondary pouring coping concrete.
And arranging embedded steel bars and constructional steel bars connected with the embedded steel bars in the secondary pouring coping concrete.
Furthermore, the tunnel top plate, the stainless steel water receiving box, the high-modulus polysulfide seal, the middle-buried steel edge rubber water stop band, the low-foaming polyethylene closed-cell foam plate caulking and the embedded steel bars are integrally cast and formed.
Furthermore, the secondary pouring coping concrete and the externally attached rubber waterstop and construction steel bar are integrally poured and formed.
Further, the width of the secondary pouring coping concrete is 2 times of that of the external rubber waterstop.
Furthermore, polymer waterproofing membrane can select the resistant root puncture type waterproofing membrane of polymer that satisfies tunnel roof earthing planting demand.
The utility model has the advantages and beneficial effects that:
the utility model can effectively solve the problems that the externally-attached rubber water stop belt of the deformation joint of the tunnel roof cannot be cast in situ together with the roof and is tightly attached by arranging the secondary pouring coping concrete, and after the externally-attached rubber water stop belt is embedded into the main structure of the tunnel roof, the waterproof effect of the deformation joint of the tunnel can be greatly enhanced, the long-term normal operation of the tunnel is ensured, and the durability of the waterproof structure of the deformation joint of the tunnel is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Wherein: 1. a tunnel roof; 2. a stainless steel water receiving box; 3. high modulus polysulfide sealant; 4. a middle-buried steel-edged rubber waterstop; 5. an externally-attached rubber waterstop; 6. caulking of low-foaming polyethylene closed-cell foam plates; 7. embedding reinforcing steel bars in advance; 8. secondary pouring and capping concrete; 9. constructing a steel bar; 10. a high-molecular waterproof roll; 11. fine aggregate concrete protective layer.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
As shown in fig. 1, the utility model provides a waterproof structure for a deformation joint of a roof of a tunnel penetrating through a city, which comprises a tunnel roof 1 of a concrete structure, deformation joints between adjacent tunnel roofs 1, a middle-buried steel-edged rubber water stop 4 in the middle of the deformation joints, an externally-attached rubber water stop 5 at the upper end of the deformation joints, a high-molecular waterproof roll 10, and a fine stone concrete protective layer 11 laid above the high-molecular waterproof roll 10, wherein low-foaming polyethylene closed-cell foam plate caulking joints 6 are filled in the deformation joints, high-modulus polysulfide sealant 3 and a stainless steel water receiving box 2 are arranged at the lower ends of the deformation joints, secondary pouring coping concrete 8 in a trapezoidal convex shape is laid at the upper ends of the externally-attached rubber water stops 5, and the high-molecular waterproof roll 10 is laid above the secondary pouring coping concrete 8.
And embedded steel bars 7 and construction steel bars 9 connected with the embedded steel bars 7 are arranged in the secondary pouring coping concrete 8, and the embedded steel bars 7 extend into the concrete roof from the secondary pouring coping concrete so as to ensure the integrity and firmness of the connection between the tunnel roof and the secondary pouring coping concrete. The tunnel roof plate 1 is integrally cast and formed with the stainless steel water receiving box 2, the high-modulus polysulfide seal, the middle embedded steel edge rubber waterstop 4, the low-foaming polyethylene closed-cell foam plate caulking 6 and the embedded steel bars 7, and the secondary casting top-pressing concrete 8 is integrally cast and formed with the external attached rubber waterstop and the structural steel bars 9, so that the external attached rubber waterstop 5 is tightly attached to the tunnel roof plate 1 and the secondary casting top-pressing concrete 8.
Further, 8 width of secondary pouring capping concrete is 2 times of 5 width of outer formula rubber waterstops, guarantees that outer formula rubber waterstops 5 imbeds completely in 1 major structure of tunnel roof.
Further, the polymer waterproof roll 10 can be a polymer root-resistant waterproof roll 10 meeting the requirement of the tunnel roof 1 for earthing and planting.
The construction process of the structure is as follows:
1. embedding a high-modulus polysulfide sealant 3, a middle-embedded steel-edged rubber waterstop 4, a low-foaming polyethylene closed-cell foam board caulking 6 and an embedded steel bar 7, and pouring a tunnel roof 1;
2. a stainless steel water receiving box 2 is arranged at the lower end of the deformation joint;
3. arranging an externally attached rubber waterstop 5 at the upper end of the deformation joint, binding a construction steel bar 9, and pouring coping concrete 8;
4. laying a high-molecular waterproof coiled material 10 on the secondary pouring coping concrete 8;
5. a fine stone concrete protective layer 1 is arranged on the polymer waterproof roll 10.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a wear tunnel roof movement joint's waterproof construction under city, bury formula rubber waterstop, polymer waterproofing membrane outside the formula of pasting of formula steel limit rubber waterstop, movement joint upper end, lay at the fine aggregate concrete protective layer of polymer waterproofing membrane top, its characterized in that including tunnel roof of concrete structure, movement joint between the adjacent tunnel roof, movement joint between the concrete structure: the deformation joint is filled with low-foaming polyethylene closed-cell foam board caulking joints, the lower end of the deformation joint is provided with a high-modulus polysulfide sealant and a stainless steel water receiving box, secondary pouring coping concrete in a trapezoidal convex shape is laid at the upper end of the external-attached rubber water stop, and the high-polymer waterproof coiled material is laid above the secondary pouring coping concrete.
2. The waterproof structure of the urban underpass tunnel roof deformation joint as claimed in claim 1, wherein: and arranging embedded steel bars and constructional steel bars connected with the embedded steel bars in the secondary pouring coping concrete.
3. The waterproof structure of the urban underpass tunnel roof deformation joint as claimed in claim 2, wherein: the tunnel roof and the stainless steel water receiving box, the high-modulus polysulfide seal, the middle embedded steel edge rubber water stop belt, the low-foaming polyethylene closed-cell foam plate caulking and the embedded steel bar are integrally cast and formed.
4. The waterproof structure of the urban underpass tunnel roof deformation joint as claimed in claim 3, wherein: and the secondary pouring coping concrete and the externally attached rubber waterstop and construction steel bar are integrally poured and formed.
5. The waterproof structure of the urban underpass tunnel roof deformation joint as claimed in claim 1, wherein: the width of the secondary pouring coping concrete is 2 times of that of the external sticking type rubber waterstop.
6. The waterproof structure of the urban underpass tunnel roof deformation joint as claimed in claim 1, wherein: the polymer waterproofing membrane can select the polymer root-resistant waterproof membrane meeting the requirements of tunnel roof earthing planting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121229312.1U CN215330066U (en) | 2021-05-28 | 2021-05-28 | Waterproof construction of tunnel roof movement joint is worn under city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121229312.1U CN215330066U (en) | 2021-05-28 | 2021-05-28 | Waterproof construction of tunnel roof movement joint is worn under city |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215330066U true CN215330066U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121229312.1U Active CN215330066U (en) | 2021-05-28 | 2021-05-28 | Waterproof construction of tunnel roof movement joint is worn under city |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215330066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875975A (en) * | 2022-04-18 | 2022-08-09 | 中铁第四勘察设计院集团有限公司 | Construction joint waterproof structure with reserved groove of compression sealing water stop strip and construction method thereof |
-
2021
- 2021-05-28 CN CN202121229312.1U patent/CN215330066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875975A (en) * | 2022-04-18 | 2022-08-09 | 中铁第四勘察设计院集团有限公司 | Construction joint waterproof structure with reserved groove of compression sealing water stop strip and construction method thereof |
| CN114875975B (en) * | 2022-04-18 | 2023-12-22 | 中铁第四勘察设计院集团有限公司 | Construction joint waterproof structure reserved with compressed sealing water stop groove and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450000 1 Minsheng Road, Zheng Dong New District, Zhengzhou, Henan Patentee after: Zhengzhou Municipal Engineering Survey, Design and Research Institute Co.,Ltd. Address before: 450000 1 Minsheng Road, Zheng Dong New District, Zhengzhou, Henan Patentee before: ZHENGZHOU MUNICIPAL ENGINEERING SURVEY AND DESIGN INSTITUTE |
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| CP03 | Change of name, title or address |