CN208534504U - A kind of tunnel dilatation joint waterproof structure - Google Patents
A kind of tunnel dilatation joint waterproof structure Download PDFInfo
- Publication number
- CN208534504U CN208534504U CN201821077094.2U CN201821077094U CN208534504U CN 208534504 U CN208534504 U CN 208534504U CN 201821077094 U CN201821077094 U CN 201821077094U CN 208534504 U CN208534504 U CN 208534504U
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- China
- Prior art keywords
- tunnel
- expansion joint
- waterstop
- waterproof structure
- joint
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Abstract
The utility model relates to a kind of tunnel dilatation joint waterproof structure, including middle buried water stop and external labeling type waterstop, the middle buried water stop and external labeling type waterstop are respectively arranged at the centre and bottom end at expansion joint, prevent Groundwater infiltration expansion joint；The upper end at the expansion joint is equipped with the channel steel that Open Side Down, so that in waterstop failure, the underground water penetrated into the expansion joint is guided to gutter, avoids overflowing on underground water and the asphalt surface course on expansion joint top being caused to damage.The utility model is designed reasonably, structure is simple, it is easy for construction, it can make the effective waterproof in the expansion joint of tunnel bottom, and in waterproof failure, the underground water overflow up is guided to gutter in time, avoids the asphalt surface course above bottom plate that Water Damage occurs, the service efficiency for improving tunnel, reduces maintenance cost.
Description
Technical field
The utility model relates to a kind of building structure, especially a kind of structure suitable for expansion joint waterproof in tunnel, tool
Saying for body is a kind of tunnel dilatation joint waterproof structure.
Background technique
In constructing tunnel, expansion joint is designed between tunnel floor, when concrete expands with heat and contract with cold, to avoid making to mix
Xtah Crude Clay structure is chipping or crack.Underground water is diffused out from expansion joint in order to prevent, and waterproof is arranged usually at expansion joint
Material, such as waterstop.But stretch repeatedly with expansion joint over time, so that the waterproof is failed, leads to bottom
It is lauched and is overflow up from expansion joint, the asphalt surface course on bottom plate is damaged, accordingly it is desirable to the waterproof and pitch at expansion joint
Surface layer is constructed again, increases the maintenance cost in tunnel.Therefore, it is necessary to design a kind of waterproof construction, it can be achieved that " stifled " " thin " knot
It closes, improves the maintenance quality in tunnel, reduce expense.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of tunnel dilatation joint waterproof structure, can be with
It realizes that " stifled " is " thin " to combine, improves the service efficiency in tunnel, reduce maintenance cost.
The technical solution of the utility model is:
A kind of tunnel dilatation joint waterproof structure, including middle buried water stop and external labeling type waterstop, it is described in buried sealing
Band and external labeling type waterstop are respectively arranged at the centre and bottom end at expansion joint, prevent Groundwater infiltration expansion joint；The expansion joint
Upper end be equipped with the channel steel that Open Side Down, so that in waterstop failure, the underground water penetrated into the expansion joint is led
It is flow to gutter, avoids overflowing on underground water and the asphalt surface course on expansion joint top being caused to damage.
Further, the middle buried water stop is rubber watertight strip.
Further, the external labeling type waterstop is rubber fastening band.
Further, the channel steel is stainless steel channel steel, and two sides are equipped with the flanging of evagination；The flanging is equipped with installation
Hole, convenient for being fixed by screws on the bottom plate.
Further, the upper and lower of the flanging is sealed using high modulus polyurethane sealant respectively, enhances waterproof
Effect.
The utility model has the beneficial effects that
The utility model is designed reasonably, structure is simple, easy for construction, can make the effective waterproof in the expansion joint of tunnel bottom,
And in waterproof failure, the underground water overflow up is guided to gutter in time, the asphalt surface course above bottom plate is avoided to damage water
It is bad, the service efficiency in tunnel is improved, maintenance cost is reduced.
Detailed description of the invention
Fig. 1 is the schematic diagram in the utility model application.
Wherein: 1- plain concrete cushion layer；2- bottom plate；3- concrete pavement layer；4- asphalt surface course；5- channel steel；6- screw；7-
Middle buried water stop；8- sealant；The expansion joint 9-；10- backing plate；11- external labeling type waterstop.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1.
A kind of tunnel dilatation joint waterproof structure, including middle buried water stop 7 and external labeling type waterstop 11.The bottom plate 2 in tunnel
Between there are groove and tognue type expansion joint 9, be provided with foaming PE backing plate 10, be the reserved space that expands with heat and contract with cold of the bottom plate 2.It is described
The lower section of bottom plate 2 is equipped with plain concrete cushion layer 1, and top is successively arranged concrete pavement layer 3 and asphalt surface course 4.It is buried in described
Formula waterstop 7 and external labeling type waterstop 11 are respectively arranged at the centre and bottom end at the expansion joint 9, prevent Groundwater infiltration flexible
Seam 9.The upper end at the expansion joint 9 is equipped with the channel steel 5 that Open Side Down, to stretch described in infiltration in waterstop failure
Underground water in contracting seam 9 is guided to gutter, avoids overflowing on underground water and the asphalt surface course 4 on 9 top of expansion joint being caused to damage.
The middle buried water stop 7 is rubber watertight strip.
The external labeling type waterstop 11 is rubber fastening band.
The channel steel 5 is stainless steel channel steel, and two sides are equipped with the flanging of evagination；The flanging is equipped with mounting hole, convenient for logical
Screw 6 is crossed to be fixed on the bottom plate 2.The upper port at the upper and lower of the flanging and the expansion joint 9 uses Gao Mo respectively
Weight polyurethane sealant 8 is sealed, and enhances waterproof effect.
The utility model can make the effective waterproof in expansion joint, and when mode fails, infiltration is guided to gutter in time, real
" stifled " " thin " combination is showed, has improved the service efficiency in tunnel, reduce maintenance cost.
The parts not involved in the utility model is the same as those in the prior art or can be realized by using the prior art.
Claims (5)
1. a kind of tunnel dilatation joint waterproof structure, including middle buried water stop and external labeling type waterstop, it is characterized in that being buried in described
Formula waterstop and external labeling type waterstop are respectively arranged at the centre and bottom end at expansion joint, prevent Groundwater infiltration expansion joint；It is described
The upper end at expansion joint is equipped with the channel steel that Open Side Down, to penetrate into the ground in the expansion joint in waterstop failure
It is lauched and is guided to gutter, avoid overflowing on underground water and the asphalt surface course on expansion joint top being caused to damage.
2. tunnel dilatation joint waterproof structure according to claim 1, it is characterized in that the middle buried water stop is steel side rubber
Glue waterstop.
3. tunnel dilatation joint waterproof structure according to claim 1, it is characterized in that the external labeling type waterstop stops for rubber
Water band.
4. tunnel dilatation joint waterproof structure according to claim 1, it is characterized in that the channel steel is stainless steel channel steel, two
Side is equipped with the flanging of evagination；The flanging is equipped with mounting hole, convenient for being fixed by screws on tunnel floor.
5. tunnel dilatation joint waterproof structure according to claim 4, it is characterized in that the upper and lower of the flanging uses respectively
High modulus polyurethane sealant is sealed, and enhances waterproof effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821077094.2U CN208534504U (en) | 2018-07-09 | 2018-07-09 | A kind of tunnel dilatation joint waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821077094.2U CN208534504U (en) | 2018-07-09 | 2018-07-09 | A kind of tunnel dilatation joint waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208534504U true CN208534504U (en) | 2019-02-22 |
Family
ID=65388606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821077094.2U Active CN208534504U (en) | 2018-07-09 | 2018-07-09 | A kind of tunnel dilatation joint waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208534504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984240A (en) * | 2019-11-19 | 2020-04-10 | 中冶天工集团有限公司 | Fixing device and fixing method for buried steel-edged rubber water stop in underground structure |
| CN113565134A (en) * | 2021-07-13 | 2021-10-29 | 宁波磐固工程技术有限公司 | Waterproof structure for expansion joint of urban underground pipe gallery and construction method of waterproof structure |
-
2018
- 2018-07-09 CN CN201821077094.2U patent/CN208534504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984240A (en) * | 2019-11-19 | 2020-04-10 | 中冶天工集团有限公司 | Fixing device and fixing method for buried steel-edged rubber water stop in underground structure |
| CN113565134A (en) * | 2021-07-13 | 2021-10-29 | 宁波磐固工程技术有限公司 | Waterproof structure for expansion joint of urban underground pipe gallery and construction method of waterproof structure |
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