CN211666770U - Tunnel three-dimensional water-proof and drainage system - Google Patents
Tunnel three-dimensional water-proof and drainage system Download PDFInfo
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- CN211666770U CN211666770U CN201922393502.6U CN201922393502U CN211666770U CN 211666770 U CN211666770 U CN 211666770U CN 201922393502 U CN201922393502 U CN 201922393502U CN 211666770 U CN211666770 U CN 211666770U
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Abstract
The utility model provides a three-dimensional drainage system of preventing in tunnel, bury the rubber waterstop including preliminary bracing, secondary lining, first waterproof board, first drainage blind pipe, cavity drainage waterproof board, end water guide formula back of the body rubber waterstop, foam material, second drainage blind pipe and end water guide formula. The primary support is tightly attached to the broken loose surrounding rocks around the tunnel, the secondary lining is tightly attached to the primary support, and the primary support and the secondary lining form a deformation joint. The first waterproof plate and the first drainage blind pipe are laid at the deformation joint, the hollow drainage waterproof plate is laid in close contact with the first waterproof plate, and the water stopping and guiding type back-attached rubber water stop belt is laid in close contact with the hollow drainage waterproof plate; the foam material is embedded and filled at the deformation joint, the second drainage blind pipe is laid in the foam material, and the water stop and guide type back-attached rubber water stop belt is tightly attached to one end of the foam material; and the water stopping and guiding type embedded rubber water stop belt is tightly attached to the other end of the foam material. The utility model discloses a three-dimensional drainage system of preventing in tunnel can prevent effectively that groundwater from getting into the tunnel.
Description
Technical Field
The utility model relates to a tunnel construction technical field especially relates to a three-dimensional drainage system of preventing in tunnel.
Background
With the increase of high-speed railway tunnels in recent years, the construction units and operation reception units have less tolerance to the water leakage phenomenon of the lining of the tunnel due to the requirements of safety risk control, structural durability considerations, environmental protection, operation safety and the like.
However, the existing tunnel construction always follows the basic principle of 'mainly discharging, preventing blockage and intercepting, and adjusting to local conditions' to prevent underground water from entering the tunnel from undesired paths; however, it is not possible to effectively prevent the groundwater from entering the tunnel.
SUMMERY OF THE UTILITY MODEL
The utility model provides a change basic principle that traditional tunnel drainage prevention followed, "use stifled as leading, stifled drainage prevent the construction principle who blocks up and intercept and combine mutually", can prevent effectively that groundwater from getting into the tunnel three-dimensional drainage prevention system in tunnel.
The utility model adopts the technical proposal that: a tunnel three-dimensional waterproof and drainage system comprises: the water-stopping and water-guiding type embedded rubber water-stopping belt comprises a primary support, a secondary lining, a first waterproof plate, a first water-discharging blind pipe, a hollow water-discharging waterproof plate, a water-stopping and water-guiding type back-attached rubber water-stopping belt, a foam material, a second water-discharging blind pipe and a water-stopping and water-guiding type embedded rubber;
the primary support is tightly attached to broken loose surrounding rocks around the tunnel, the secondary lining is tightly attached to the primary support, and the primary support and the secondary lining form a deformation joint; the first waterproof plate and the first drainage blind pipe are laid at the deformation joint, the hollow drainage waterproof plate is laid in a manner of being tightly attached to the first waterproof plate, and the water stopping and guiding type back-attached rubber waterstop is laid in a manner of being tightly attached to the hollow drainage waterproof plate;
the foam material is embedded and filled at the deformation joint, the second drainage blind pipe is laid in the foam material, and the water stopping and guiding type back-attached rubber water stop belt is tightly attached to one end of the foam material; and the water stopping and guiding type embedded rubber water stop is laid at the deformation joint and tightly attached to the other end of the foam material, and at least part of the water stopping and guiding type embedded rubber water stop extends to the middle part of the secondary lining.
Furthermore, the hollow drainage waterproof board is a waterproof panel on the upstream side, an overhead layer in the middle and a dense panel on the back side.
Furthermore, a phi 42 steel floral tube is arranged around the hole of the tunnel.
Further, the first drainage blind pipe and the second drainage blind pipe are both phi 50 drainage pipes.
Further, the primary support is shotcrete.
Further, the second drainage blind pipe is located between the water stopping type buried rubber water stop and the water stopping type back-attached rubber water stop.
Further, an outlet at the deformation joint is provided with a chamfer.
Compared with the prior art, the three-dimensional tunnel water-proof and drainage system of the utility model lays the water-stopping type back-attached rubber waterstop by clinging the hollow drainage waterproof board at the deformation joint, the water-stopping type back-attached rubber waterstop clings to one end of the foam material, and the second drain pipe is buried in the foam material; and a water-stopping and water-guiding type embedded rubber water stop is laid at the deformation joint and clings to the other end of the foam material, so that the second drainage blind pipe is positioned between the water-stopping and water-guiding type embedded rubber water stop and the water-stopping and water-guiding type back-pasted rubber water stop, and a good waterproof and drainage function is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, there is shown in the drawings,
FIG. 1: the utility model discloses a step flow chart of a tunnel three-dimensional waterproof and drainage system construction technology;
FIG. 2: the utility model discloses the structural schematic diagram of the three-dimensional drainage system of preventing in tunnel.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1 and 2, the three-dimensional waterproof and drainage system for tunnel of the present invention includes a primary support 101, a secondary lining 102, a first waterproof board 3, a first drainage blind pipe 4, a hollow drainage waterproof board 5, a water-stopping type back-attached rubber water stop 6, a foam material 8, a second drainage blind pipe 7 and a water-stopping type middle-embedded rubber water stop 8. Wherein the primary support 101 is tightly attached to the broken loose surrounding rock 100 around the tunnel, the secondary lining 102 is tightly attached to the primary support 101, and the primary support 01 and the secondary lining 102 form a deformation joint. The first waterproof board 3 and the first drainage blind pipe 4 are laid at the deformation joint, the hollow drainage waterproof board 5 is tightly attached to the first waterproof board 3 for laying, and the water stopping and guiding type back-attached rubber water stop belt 6 is tightly attached to the hollow drainage waterproof board 5 for laying. The foam material 8 is embedded and filled in the deformation joint, the second drainage blind pipe 7 is laid in the foam material 8, and the water stopping and guiding type back-attached rubber water stop belt 6 is tightly attached to one end of the foam material 8. The water stop and guide type embedded rubber water stop belt 9 is laid at the deformation joint and is tightly attached to the other end of the foam material 8, and at least part of the water stop and guide type embedded rubber water stop belt 9 extends to the middle of the secondary lining 102.
Further, the hollow drainage and waterproofing plate 5 is a permeable panel on the upstream side, an overhead layer in the middle and a dense panel on the backside. The periphery of the tunnel is provided with a phi 42 steel floral tube 1. The first drainage blind pipe 4 and the second drainage blind pipe 7 are both phi 50 drainage pipes. The preliminary bracing 101 is shotcrete. The second drainage blind pipe 7 is positioned between the water stopping and guiding type middle-buried rubber water stop belt 6 and the water stopping and guiding type back-attached rubber water stop belt 9; and the outlet of the deformation joint is provided with a chamfer.
The utility model discloses a construction technology of three-dimensional waterproof and drainage system in tunnel includes following step
S1: broken loose surrounding rocks 100 tightly attached to the periphery of the tunnel are applied as a primary support 101; the preliminary bracing 101 is made of shotcrete, and functions to block, drain, and filter water.
S2: after the primary support 101 is constructed, before the first waterproof plate 3 is laid, for the water seepage situation of the surface of the primary support 101, phi 42 steel perforated pipe 1 is constructed around the tunnel for grouting and water plugging, so that the surface of the primary support 101 is ensured not to have obvious water seepage, and a good water plugging function is achieved.
S3: and (3) constructing a secondary lining 102 close to the primary support 101, wherein the primary support 101 and the secondary lining 102 form a deformation joint.
S4: lay first waterproof board 3 and first drainage blind pipe 4 in movement joint department to hug closely first waterproof board 3 and lay cavity drainage waterproof board 5, thereby play drainage and waterproof function. Wherein, the first drainage blind pipe 4 is a phi 50 drainage pipe.
Wherein, the hollow drainage and waterproofing plate 5 is a water-permeable panel on the upstream side, an overhead layer in the middle and a dense panel structure on the backside.
S5: and a water stopping and guiding type back-attached rubber water stop belt 6 is laid at the deformation joint close to the hollow drainage waterproof plate 5, so that the functions of water prevention and drainage are achieved.
S6: filling foam materials 8 at the deformation joints and laying second drainage blind pipes 7; wherein, the water stopping and guiding type back-attached rubber waterstop 6 is tightly attached to one end of the foam material 8, and the second drain pipe is buried in the foam material 8, thereby playing a role in draining water. Wherein, the second drainage blind pipe 7 is a phi 50 drainage pipe.
S7: laying a water stopping and guiding type middle embedded rubber water stop belt 9 at the deformation joint, wherein the water stopping and guiding type back attached rubber water stop belt 6 is tightly attached to the other end of the foam material 8 and is arranged opposite to the water stopping and guiding type middle embedded rubber water stop belt 9; so that the second drainage blind pipe 7 is positioned between the water stopping and guiding type buried rubber water stop belt 9 and the water stopping and guiding type back-attached rubber water stop belt 6. And the water stopping and guiding type embedded rubber water stop 9 at least partially extends to the middle part of the secondary lining, thereby playing the functions of water prevention and drainage.
S8: and chamfering the outlet of the deformation joint.
To sum up, the utility model discloses a three-dimensional drainage system of preventing in tunnel has following advantage:
1. through grouting and water plugging of the phi 42 steel perforated pipe 1 applied to the periphery of the tunnel, the surface of the primary support 101 is ensured not to have obvious water seepage, and therefore a good water plugging function is achieved.
2. Through hugging closely first waterproof board 3 and laying cavity row waterproof board 5, and cavity row waterproof board 5 is the face of water for penetrating water type panel, and the middle part is the built on stilts layer, and the surface of a backing is the structure of closely knit panel to play drainage and waterproof function.
3. A water-stopping and guiding type back-attached rubber water stop belt 6 is laid at the deformation joint and clings to the hollow drainage and waterproof plate 5, the water-stopping and guiding type back-attached rubber water stop belt 6 clings to one end of the foam material 8, and a second drainage pipe is buried in the foam material 8; and a water-stop water-guide type embedded rubber water stop belt 9 is laid at the deformation joint, and the water-stop water-guide type embedded rubber water stop belt is tightly attached to the other end of the foam material 8, so that the second drainage blind pipe 7 is positioned between the water-stop water-guide type embedded rubber water stop belt 9 and the water-stop water-guide type back-attached rubber water stop belt 6, and the functions of water prevention and drainage are achieved.
As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.
Claims (7)
1. A tunnel three-dimensional waterproof and drainage system is characterized by comprising: the water-stopping and water-guiding type embedded rubber water-stopping belt comprises a primary support, a secondary lining, a first waterproof plate, a first water-discharging blind pipe, a hollow water-discharging waterproof plate, a water-stopping and water-guiding type back-attached rubber water-stopping belt, a foam material, a second water-discharging blind pipe and a water-stopping and water-guiding type embedded rubber;
the primary support is tightly attached to broken loose surrounding rocks around the tunnel, the secondary lining is tightly attached to the primary support, and the primary support and the secondary lining form a deformation joint; the first waterproof plate and the first drainage blind pipe are laid at the deformation joint, the hollow drainage waterproof plate is laid in a manner of being tightly attached to the first waterproof plate, and the water stopping and guiding type back-attached rubber waterstop is laid in a manner of being tightly attached to the hollow drainage waterproof plate;
the foam material is embedded and filled at the deformation joint, the second drainage blind pipe is laid in the foam material, and the water stopping and guiding type back-attached rubber water stop belt is tightly attached to one end of the foam material; and the water stopping and guiding type embedded rubber water stop is laid at the deformation joint and tightly attached to the other end of the foam material, and at least part of the water stopping and guiding type embedded rubber water stop extends to the middle part of the secondary lining.
2. The tunnel three-dimensional waterproof and drainage system of claim 1, wherein: the hollow drainage and prevention board is a water-permeable panel on the upstream side, an overhead layer in the middle and a dense panel structure on the backside.
3. The tunnel three-dimensional waterproof and drainage system of claim 1, wherein: and phi 42 steel floral tubes are arranged around the holes of the tunnel.
4. The tunnel three-dimensional waterproof and drainage system of claim 1, wherein: the first drainage blind pipe and the second drainage blind pipe are both phi 50 drainage pipes.
5. The tunnel three-dimensional waterproof and drainage system of claim 1, wherein: the primary support is sprayed concrete.
6. The tunnel three-dimensional waterproof and drainage system of claim 1, wherein: the second drainage blind pipe is positioned between the water stopping and guiding type buried rubber waterstop and the water stopping and guiding type back-attached rubber waterstop.
7. The tunnel three-dimensional waterproof and drainage system of claim 1, wherein: and a chamfer is arranged at an outlet of the deformation joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922393502.6U CN211666770U (en) | 2019-12-25 | 2019-12-25 | Tunnel three-dimensional water-proof and drainage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922393502.6U CN211666770U (en) | 2019-12-25 | 2019-12-25 | Tunnel three-dimensional water-proof and drainage system |
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| CN211666770U true CN211666770U (en) | 2020-10-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119927A (en) * | 2019-12-25 | 2020-05-08 | 中铁二十五局集团第一工程有限公司 | Tunnel three-dimensional waterproof and drainage system and construction technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119927A (en) * | 2019-12-25 | 2020-05-08 | 中铁二十五局集团第一工程有限公司 | Tunnel three-dimensional waterproof and drainage system and construction technology |
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