CN111119927A - Tunnel three-dimensional waterproof and drainage system and construction technology - Google Patents
Tunnel three-dimensional waterproof and drainage system and construction technology Download PDFInfo
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- CN111119927A CN111119927A CN201911355160.7A CN201911355160A CN111119927A CN 111119927 A CN111119927 A CN 111119927A CN 201911355160 A CN201911355160 A CN 201911355160A CN 111119927 A CN111119927 A CN 111119927A
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000006261 foam material Substances 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000011435 rock Substances 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 239000011378 shotcrete Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012954 risk control Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/006—Lining anchored in the rock
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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 OR ROCK 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 OR ROCK 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
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a tunnel three-dimensional waterproof and drainage system and a construction technology, wherein the construction technology comprises the following steps: applying broken and loose surrounding rocks tightly attached to the periphery of the tunnel hole as primary support; grouting and water plugging are carried out on phi 42 steel perforated pipes around the tunnel; constructing a secondary lining by clinging to the primary support, wherein the primary support and the secondary lining form a deformation joint; laying a first waterproof plate and a first drainage blind pipe at the deformation joint, and laying a hollow drainage waterproof plate close to the first waterproof plate; laying a water stopping and guiding type back-attached rubber water stop belt close to the hollow drainage waterproof plate at the deformation joint; filling foam materials at the deformation joint and laying a second drainage blind pipe; and paving a water stopping and guiding type buried rubber water stop at the deformation joint. The tunnel three-dimensional waterproof and drainage system and the construction technology can effectively prevent underground water from entering the tunnel.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a tunnel three-dimensional waterproof and drainage system and a construction technology.
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.
Disclosure of Invention
The invention provides a tunnel three-dimensional water-proof and drainage system and a construction technology which change the basic principle followed by the traditional tunnel water-proof and drainage, and can effectively prevent underground water from entering a tunnel by the construction principle of combining blocking as a main part and blocking, drainage and interception.
The technical scheme adopted by the invention is as follows: a construction technology of a tunnel three-dimensional waterproof and drainage system comprises the following steps:
s1: applying broken and loose surrounding rocks tightly attached to the periphery of the tunnel hole as primary support;
s2: after the primary support construction, before a first waterproof board is laid, constructing phi 42 steel perforated pipe grouting water plugging around the tunnel;
s3: constructing a secondary lining by clinging to the primary support, wherein the primary support and the secondary lining form a deformation joint;
s4: laying a first waterproof plate and a first drainage blind pipe at the deformation joint, and laying a hollow drainage waterproof plate close to the first waterproof plate;
s5: laying a water stopping and guiding type back-attached rubber water stop belt close to the hollow drainage waterproof plate at the deformation joint;
s6: filling foam materials at the deformation joint and laying a second drainage blind pipe; wherein, the water stopping and guiding type back-pasted rubber water stop belt is tightly attached to one end of the foam material, and the second drainage blind pipe is buried in the foam material;
s7: and laying a water stopping and guiding type embedded rubber water stop at the deformation joint, wherein the water stopping and guiding type back-attached rubber water stop is 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.
Further, the method also comprises the step of S8: and chamfering the outlet of the deformation joint.
Further, the primary support is shotcrete.
Further, the first drainage blind pipe and the second drainage blind pipe are both phi 50 drainage pipes.
Furthermore, the upstream surface of the hollow drainage waterproof board is a permeable profile board, the middle part of the hollow drainage waterproof board is an overhead layer, and the back surface of the hollow drainage waterproof board is a structure of a compact panel.
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.
The invention also provides the following technical scheme: 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.
Compared with the prior art, the tunnel three-dimensional waterproof and drainage system and the construction technology lay 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 invention without limiting the invention. In the drawings, there is shown in the drawings,
FIG. 1: the invention relates to a step flow chart of a tunnel three-dimensional waterproof and drainage system construction technology;
FIG. 2: the invention discloses a structural schematic diagram of a tunnel three-dimensional waterproof and drainage system.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in figures 1 and 2, the construction technology of the tunnel three-dimensional waterproof and drainage system of the invention comprises the following steps
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.
In conclusion, the tunnel three-dimensional waterproof and drainage system and the construction technology have the following advantages:
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.
Any combination of the various embodiments of the present invention should be considered as disclosed in the present invention, unless the inventive concept is contrary to the present invention; within the scope of the technical idea of the invention, any combination of various simple modifications and different embodiments of the technical solution without departing from the inventive idea of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A tunnel three-dimensional waterproof and drainage system construction technology is characterized by comprising the following steps:
s1: applying broken and loose surrounding rocks tightly attached to the periphery of the tunnel hole as primary support;
s2: after the primary support construction, before a first waterproof board is laid, constructing phi 42 steel perforated pipe grouting water plugging around the tunnel;
s3: constructing a secondary lining by clinging to the primary support, wherein the primary support and the secondary lining form a deformation joint;
s4: laying a first waterproof plate and a first drainage blind pipe at the deformation joint, and laying a hollow drainage waterproof plate close to the first waterproof plate;
s5: laying a water stopping and guiding type back-attached rubber water stop belt close to the hollow drainage waterproof plate at the deformation joint;
s6: filling foam materials at the deformation joint and laying a second drainage blind pipe; wherein, the water stopping and guiding type back-pasted rubber water stop belt is tightly attached to one end of the foam material, and the second drainage blind pipe is buried in the foam material;
s7: and laying a water stopping and guiding type embedded rubber water stop at the deformation joint, wherein the water stopping and guiding type back-attached rubber water stop is 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 construction technology of the tunnel three-dimensional waterproof and drainage system of claim 1, wherein: further comprising S8: and chamfering the outlet of the deformation joint.
3. The construction technology of the tunnel three-dimensional waterproof and drainage system of claim 1, wherein: the primary support is sprayed concrete.
4. The construction technology of 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 construction technology of the tunnel three-dimensional waterproof and drainage system of claim 1, wherein: the upstream face of the hollow drainage waterproof board is a permeable molded board, the middle part of the hollow drainage waterproof board is an overhead layer, and the backside face of the hollow drainage waterproof board is a structure of a compact panel.
6. The construction technology of 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. 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.
8. The three-dimensional tunnel waterproof and drainage system of claim 7, 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.
9. The three-dimensional tunnel waterproof and drainage system of claim 7, wherein: and phi 42 steel floral tubes are arranged around the holes of the tunnel.
10. The three-dimensional tunnel waterproof and drainage system of claim 7, wherein: the first drainage blind pipe and the second drainage blind pipe are both phi 50 drainage pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355160.7A CN111119927A (en) | 2019-12-25 | 2019-12-25 | Tunnel three-dimensional waterproof and drainage system and construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355160.7A CN111119927A (en) | 2019-12-25 | 2019-12-25 | Tunnel three-dimensional waterproof and drainage system and construction technology |
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| Publication Number | Publication Date |
|---|---|
| CN111119927A true CN111119927A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911355160.7A Pending CN111119927A (en) | 2019-12-25 | 2019-12-25 | Tunnel three-dimensional waterproof and drainage system and construction technology |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320344A (en) * | 2021-12-31 | 2022-04-12 | 中铁二院工程集团有限责任公司 | Tunnel lining structure capable of inducing deformation and rapid repairing method thereof |
| CN114856697A (en) * | 2022-05-17 | 2022-08-05 | 中铁三局集团第二工程有限公司 | Tunnel drainage system construction method |
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| CN211666770U (en) * | 2019-12-25 | 2020-10-13 | 中铁二十五局集团第一工程有限公司 | Tunnel three-dimensional water-proof and drainage system |
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2019
- 2019-12-25 CN CN201911355160.7A patent/CN111119927A/en active Pending
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| CN106437785A (en) * | 2016-10-11 | 2017-02-22 | 北京交通大学 | Dislocation-resistant combined tunnel supporting structure for crossing active faults |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320344A (en) * | 2021-12-31 | 2022-04-12 | 中铁二院工程集团有限责任公司 | Tunnel lining structure capable of inducing deformation and rapid repairing method thereof |
| CN114320344B (en) * | 2021-12-31 | 2023-10-03 | 中铁二院工程集团有限责任公司 | Tunnel lining structure capable of inducing deformation and rapid repair method thereof |
| CN114856697A (en) * | 2022-05-17 | 2022-08-05 | 中铁三局集团第二工程有限公司 | Tunnel drainage system construction method |
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Application publication date: 20200508 |