CN111236986A - Waterproof and drainage structure of fabricated lining and construction method thereof - Google Patents
Waterproof and drainage structure of fabricated lining and construction method thereof Download PDFInfo
- Publication number
- CN111236986A CN111236986A CN202010027322.0A CN202010027322A CN111236986A CN 111236986 A CN111236986 A CN 111236986A CN 202010027322 A CN202010027322 A CN 202010027322A CN 111236986 A CN111236986 A CN 111236986A
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 239000011435 rock Substances 0.000 claims abstract description 18
- 239000004746 geotextile Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 239000008234 soft water Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000004567 concrete Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- 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
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- 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 waterproof and drainage structure of an assembled lining and a construction method thereof, wherein the waterproof and drainage structure comprises the following components: the waterproof layer is arranged between the primary support and the fabricated lining; the longitudinal water drainage pipes are arranged on two sides of the whole tunnel, are embedded in side wall feet of the tunnel and are positioned between the waterproof layer and the primary support; a plurality of annular drainage pipes are arranged at intervals along the longitudinal direction of the tunnel, the annular drainage pipes are annularly laid between the waterproof layer and the primary support and are connected with the longitudinal drainage pipes through three-way pipes; the psi-shaped spring drain pipe is arranged between the outer layer of the surrounding rock and the primary support, the psi-shaped spring drain pipe is laid along the circumferential direction of the tunnel, and the psi-shaped spring drain pipe is connected into the longitudinal drain pipe through a three-way pipe; a plurality of transverse water guide pipes are arranged at intervals along the longitudinal direction of the tunnel; one end of the transverse water conduit is connected with the water outlet of the longitudinal water drainage pipe, and the other end of the transverse water conduit passes through the reserved hole site of the assembled lining segment and is connected with the blind ditch; the longitudinal water drainage pipe is connected with the blind ditch through the transverse water diversion pipe to realize water drainage.
Description
Technical Field
The invention relates to tunnel construction, in particular to a fabricated lining waterproof and drainage structure and a construction method thereof.
Background
The complexity and risk in the construction process of the tunnel engineering require that the safety, namely the constructability, of a lining structure of the tunnel engineering is higher, and when the tunnel passes through a water-rich stratum, higher requirements are provided for the water prevention and drainage of the tunnel.
In the tunnel construction process, the tunnel water prevention and drainage is mainly the self-defense of a concrete structure, and a flexible waterproof layer is added on the upstream face to strengthen a waterproof system established by dredging pipelines. The water prevention and drainage work of tunnel construction follows the basic principle of comprehensive treatment and adjustment according to local conditions, and aims at preventing, draining, blocking and intercepting, wherein the prevention mainly means strengthening tunnel water prevention by adding a waterproof layer and pouring waterproof concrete so as to relieve water seepage pressure and avoid freezing damage and water accumulation; the blocking means blocking the surrounding rock cracks and the water leakage path of the tunnel by grouting and other methods; the 'interception' is to intercept the water flow which may be gathered into the tunnel region by arranging the intercepting ditches. In addition, engineering construction requirements, properties and a construction method are combined to strengthen waterproof and drainage construction control, and the waterproof and drainage of the mountain tunnel follows the principle of mainly draining and secondarily intercepting and blocking; and the tunnel which is below the ground water level throughout the year is provided with a plurality of waterproof measures to form an efficient sealing waterproof layer; the tunnel construction should be carried out in combination with permanent waterproofing measures as much as possible. The problem of leaking water appears in the tunnel not only can weaken weak surrounding rock on every side slightly, leads to touchable surrounding rock to be in the inflation state, causes the threat to tunnel structure safety, also can lead to the inside fog of tunnel to increase simultaneously, the bottom surface is too slippery, and visibility is the first, increases the potential safety hazard.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a fabricated lining waterproof and drainage structure and a construction method thereof.
According to a first aspect of the present invention, there is provided a fabricated lining waterproof structure comprising a waterproof layer, a longitudinal drain pipe, a transverse water conduit, a circumferential drain pipe, and a psi-shaped spring drain pipe;
the waterproof layer is arranged between the primary support and the fabricated lining;
the longitudinal water drainage pipes are arranged on two sides of the whole tunnel, are embedded in side wall feet of the tunnel and are positioned between the waterproof layer and the primary support;
a plurality of annular drainage pipes are arranged at intervals along the longitudinal direction of the tunnel, the annular drainage pipes are annularly laid between the waterproof layer and the primary support, and the annular drainage pipes are connected with the longitudinal drainage pipes through three-way pipes;
the psi-shaped spring drain pipe is arranged between the outer layer of the surrounding rock and the primary support, the psi-shaped spring drain pipe is laid along the circumferential direction of the tunnel, and the psi-shaped spring drain pipe is connected into the longitudinal drain pipe through the three-way pipe;
a plurality of transverse water guide pipes are arranged at intervals along the longitudinal direction of the tunnel; one end of the transverse water conduit is connected with the water outlet of the longitudinal water drainage pipe, and the other end of the transverse water conduit passes through the reserved hole site of the assembled lining segment and is connected with the blind ditch; and the longitudinal water drainage pipe is connected with the blind ditch through the transverse water diversion pipe to realize water drainage.
Preferably, a plurality of the psi-shaped spring drain pipes are arranged at intervals along the longitudinal direction of the tunnel.
Preferably, the waterproof layer comprises a layer of geotextile and a layer of waterproof board, the waterproof board is arranged at one side close to the primary support, and the geotextile is arranged at one side close to the fabricated lining.
Preferably, the annular water drainage pipe is a soft water permeable pipe.
Preferably, one transverse water conduit is arranged at every five rings of the fabricated lining segments.
Preferably, the transverse water conduit comprises a hose and a corrugated pipe, one end of the hose is connected with the water outlet of the longitudinal water drainage pipe, the other end of the hose is connected with one end of the corrugated pipe, and the other end of the corrugated pipe is connected with the blind ditch.
According to a second aspect of the present invention, there is provided a method of constructing a fabricated lining waterproof structure, comprising:
arranging a waterproof layer between the primary support and the fabricated lining;
longitudinal drain pipes are embedded in two sides of the whole tunnel, the longitudinal drain pipes are embedded in side wall feet of the tunnel, the longitudinal gradient is the same as the gradient of the tunnel, and the longitudinal drain pipes are positioned between the waterproof layer and the primary support;
a plurality of annular drainage pipes are laid at intervals along the longitudinal direction of the tunnel, the annular drainage pipes are laid between the waterproof layer and the primary support in an annular mode, and the annular drainage pipes are connected with the longitudinal drainage pipes through three-way pipes;
a psi-shaped spring drain pipe is paved between the outer layer of the surrounding rock and the primary support along the circumferential direction of the tunnel, and the psi-shaped spring drain pipe is connected into the longitudinal drain pipe through the three-way pipe;
the transverse water diversion pipes are arranged at intervals along the longitudinal direction of the tunnel, and the longitudinal water drainage pipe is connected with the blind ditch through the transverse water diversion pipes to realize water drainage.
Preferably, the transverse water conduit is divided into a hose and a corrugated pipe, the hose is connected with the longitudinal water drainage pipe through the three-way pipe before the assembled lining segment is assembled, and after the assembled lining segment is installed, the hose is pulled out of the hole and is connected with the corrugated pipe and then discharged into the side blind ditch.
Compared with the prior art, the invention has at least one of the following beneficial effects:
the structure of the invention is characterized in that a multidirectional three-dimensional drainage structure is formed by a longitudinal drainage pipe, an annular drainage pipe, a psi-shaped spring drainage pipe and a transverse water diversion pipe; simple structure and convenient construction.
In the construction method, the waterproof construction is carried out, the psi-shaped spring drain pipe is laid at the position where the leakage water on the rock wall and the concrete spraying surface is concentrated, the leakage water can be directly collected, the psi-shaped spring drain pipe is connected into the longitudinal drain pipe through the plastic three-way pipe and is discharged out of the blind ditch through the transverse water guide pipe, the problem of the leakage water is solved, the water drainage and pressure reduction effects are simultaneously achieved, and the safety of the lining structure is ensured. The psi-shaped spring water discharge pipe has the characteristics of acid and alkali resistance, no permeation and the like, and has the advantages of flexibility, free bending and the like; the concrete can adapt to the requirements of uneven surrounding rock surfaces and various shapes of cracks, can adapt to the characteristic of gradual deformation of the surrounding rock, can bear the impact force of sprayed concrete without damage and deformation, and can avoid blockage caused by direct inflow of surrounding rock silt; and the action of water pressure at the periphery of the tunnel can be eliminated, and the stress condition of the lining structure is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram of a prefabricated lining segment pre-fabricated hole site according to a preferred embodiment of the present invention;
the scores in the figure are indicated as: 1 is fabricated lining, 2 is waterproof layer, 3 is preliminary bracing, 4 is circumferential drain pipe, 5 is longitudinal drain pipe, 6 is transverse water conduit, 7 is spring drain pipe, 8 is blind ditch, 9 is fabricated lining segment, 10 is bottom beam, 11 is reserved hole site, 201 is geotextile, 202 is waterproof board.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Referring to fig. 1-3, which are schematic structural views of a fabricated lining waterproof structure according to an embodiment of the present invention, the structure includes a waterproof layer 2, a longitudinal drain pipe 5, a transverse water conduit 6, a circumferential drain pipe 4, and a psi-shaped spring drain pipe 7; as shown in fig. 1, a waterproof layer 2 is arranged between a primary support 3 and a fabricated lining 1; the longitudinal drain pipes 5 are arranged on two sides of the whole tunnel, are embedded in side wall feet of the tunnel and are positioned between the waterproof layer 2 and the primary support 3. The longitudinal drain pipe 5 may be a PE pipe. A plurality of annular drainage pipes 4 are arranged at intervals along the longitudinal direction of the tunnel, the annular drainage pipes 4 are laid between the waterproof layer 2 and the primary support 3 along the annular direction of the tunnel, and the annular drainage pipes 4 are connected with longitudinal drainage pipes 5 pre-embedded in the side wall corners through three-way pipes; the circumferential drain pipe 4 can adopt a soft permeable pipe. And a psi-shaped spring drain pipe 7 is laid between the outer layer of the surrounding rock and the primary support 3 along the circumferential direction of the tunnel, and the psi-shaped spring drain pipe 7 is connected into the longitudinal drain pipe 5 through a plastic three-way pipe and cannot leak water. A plurality of transverse water conduits 6 are arranged at intervals along the longitudinal direction of the tunnel. Transversely laying a transverse water conduit 6 along the tunnel, wherein one end of the transverse water conduit 6 is connected with a water outlet of the longitudinal drain pipe 5, and the other end of the transverse water conduit 6 passes through a reserved hole site of the assembled lining segment 9 to be connected with the blind ditch 8; the longitudinal drainage pipe 5 is connected with the blind ditch 8 through the transverse water diversion pipe 6 to realize drainage.
The psi-shaped spring drain pipe 7 can ensure that the internal drainage of the tunnel structure keeps smooth after the tunnel is used for non-pressure water prevention and drainage, so that the periphery of the tunnel lining structure becomes an environment without water pressure, and the tunnel is ensured not to leak water in the service life. The psi-shaped spring water discharge pipe 7 has the characteristics of acid and alkali resistance, no permeation and the like, is elastic and soft, and can be bent at will; can meet the requirements of uneven surrounding rock surfaces and cracks with various shapes; can adapt to the characteristic of gradual deformation of surrounding rocks; the impact force of the sprayed concrete can be borne without damage and deformation; the blocking caused by the direct inflow of the silt of the surrounding rock can be avoided; the action of water pressure at the periphery of the tunnel can be eliminated, and the stress condition of the lining structure is improved.
In some preferred embodiments, several psi-shaped spring drain pipes 7 are provided at intervals longitudinally along the tunnel. The psi-shaped spring water discharge pipe 7 has an application range, is paved at the concentrated position of the water leakage on the rock wall and the concrete spraying surface, and the interval of the test section of the assembled lining 1 is 10 m. During construction, the water leakage can be properly adjusted according to the actual water leakage situation.
In some preferred embodiments, referring to fig. 2, the waterproof layer 2 includes a layer of geotextile 201 and a layer of waterproof board 202, the waterproof board may be an EVA board with a thickness of about 1.2mm, the waterproof board 202 is disposed on a side close to the preliminary bracing 3, and the geotextile 201 is disposed on a side close to the fabricated lining 1). In specific implementation, referring to fig. 2, the outer wall of the longitudinal drain pipe 5 is firstly wrapped by the geotextile 201, and then the outer wall of the longitudinal drain pipe 5 is wrapped by the geotextile and the end part of the waterproof board around the longitudinal drain pipe 5 for a plurality of circles, so that water leakage at the tee joint of the psi-shaped spring drain pipe 7, the circumferential drain pipe 4 and the longitudinal drain pipe 5 can be prevented.
In some preferred embodiments, one transverse conduit 6 is provided every five rings of modular lining segments 9.
In some preferred embodiments, the transverse conduit 6 comprises a hose and a bellows, one end of the hose is connected to the outlet of the longitudinal drain pipe 5, the other end of the hose is connected to one end of the bellows, and the other end of the bellows is connected to the underdrain 8.
In another aspect of the present invention, there is provided a method for constructing a waterproof and drainage structure of a fabricated lining, including:
a waterproof layer 2 is arranged between the primary support 3 and the fabricated lining 1;
a plurality of annular drainage pipes 4 are laid at intervals along the longitudinal direction of the tunnel, the annular drainage pipes 4 are laid between the waterproof layer 2 and the primary support 3 in an annular mode, and the annular drainage pipes 4 are connected with the longitudinal drainage pipe 5 through a three-way pipe;
a psi-shaped spring drain pipe 7 is laid between the outer layer of the surrounding rock and the primary support 3 along the circumferential direction of the tunnel, and the psi-shaped spring drain pipe is connected into a longitudinal drain pipe 5 through a three-way pipe;
referring to fig. 3, fig. 3 is a longitudinal sectional view of the fabricated lining, which includes a fabricated lining segment 9 and a bottom beam 10, wherein a reserved hole 11 is provided on the fabricated lining segment 9. The transverse water conduits 6 are arranged at intervals along the longitudinal direction of the tunnel, and one transverse water conduit 6 is arranged at intervals of five rings of assembled lining segments 9. The transverse water diversion pipe 6 is transversely laid along the tunnel, one end of the transverse water diversion pipe 6 is connected with a water outlet of the longitudinal water drainage pipe 5, the other end of the transverse water diversion pipe passes through a reserved hole position 11 of the assembled lining segment 9 to be connected with the blind ditch 8, and the longitudinal water drainage pipe 5 is connected with the blind ditch 8 through the transverse water diversion pipe 6 to realize water drainage. The transverse water conduit 6 is divided into two specifications of a hose and a corrugated pipe, the hose is connected with the longitudinal water discharge pipe 5 through a three-way pipe before the assembled lining segment 9 is assembled, and after the assembled lining segment 9 is installed, the hose is pulled out of a hole through a reserved hole position 11 of the assembled lining segment 9 and is discharged into a side blind ditch after being connected with the corrugated pipe.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. The utility model provides a waterproof drainage structures of assembled lining which characterized in that: the drainage system comprises a waterproof layer, a longitudinal drainage pipe, a transverse water conduit, an annular drainage pipe and a psi-shaped spring drainage pipe;
the waterproof layer is arranged between the primary support and the fabricated lining;
the longitudinal water drainage pipes are arranged on two sides of the whole tunnel, are embedded in side wall feet of the tunnel and are positioned between the waterproof layer and the primary support;
a plurality of annular drainage pipes are arranged at intervals along the longitudinal direction of the tunnel, the annular drainage pipes are annularly laid between the waterproof layer and the primary support, and the annular drainage pipes are connected with the longitudinal drainage pipes through three-way pipes;
the psi-shaped spring drain pipe is arranged between the outer layer of the surrounding rock and the primary support, the psi-shaped spring drain pipe is laid along the circumferential direction of the tunnel, and the psi-shaped spring drain pipe is connected into the longitudinal drain pipe through the three-way pipe;
a plurality of transverse water guide pipes are arranged at intervals along the longitudinal direction of the tunnel; one end of the transverse water conduit is connected with the water outlet of the longitudinal water drainage pipe, and the other end of the transverse water conduit passes through the reserved hole site of the assembled lining segment and is connected with the blind ditch; and the longitudinal water drainage pipe is connected with the blind ditch through the transverse water diversion pipe to realize water drainage.
2. The waterproof and drainage structure of a fabricated lining as claimed in claim 1, wherein: and a plurality of psi-shaped spring drainage pipes are arranged at intervals along the longitudinal direction of the tunnel.
3. The waterproof and drainage structure of a fabricated lining as claimed in claim 1, wherein: the waterproof layer comprises a layer of geotextile and a layer of waterproof board, the waterproof board is arranged on one side close to the primary support, and the geotextile is arranged on one side close to the fabricated lining.
4. The waterproof and drainage structure of a fabricated lining as claimed in claim 1, wherein: the annular water drainage pipe is a soft water permeable pipe.
5. The waterproof and drainage structure of a fabricated lining as claimed in claim 1, wherein: and arranging one transverse water conduit for each five rings of the fabricated lining segments.
6. The waterproof and drainage structure of assembled lining as claimed in claim 5, wherein: the transverse water conduit comprises a hose and a corrugated pipe, one end of the hose is connected with the water outlet of the longitudinal water drainage pipe, the other end of the hose is connected with one end of the corrugated pipe, and the other end of the corrugated pipe is connected with the blind ditch.
7. A construction method of a fabricated lining waterproof structure according to claim 1, wherein: the method comprises the following steps:
arranging a waterproof layer between the primary support and the fabricated lining;
longitudinal drain pipes are embedded in two sides of the whole tunnel, the longitudinal drain pipes are embedded in side wall feet of the tunnel, the longitudinal gradient is the same as the gradient of the tunnel, and the longitudinal drain pipes are positioned between the waterproof layer and the primary support;
a plurality of annular drainage pipes are laid at intervals along the longitudinal direction of the tunnel, the annular drainage pipes are laid between the waterproof layer and the primary support in an annular mode, and the annular drainage pipes are connected with the longitudinal drainage pipes through three-way pipes;
a psi-shaped spring drain pipe is paved between the outer layer of the surrounding rock and the primary support along the circumferential direction of the tunnel, and the psi-shaped spring drain pipe is connected into the longitudinal drain pipe through the three-way pipe;
the transverse water diversion pipes are arranged at intervals along the longitudinal direction of the tunnel, and the longitudinal water drainage pipe is connected with the blind ditch through the transverse water diversion pipes to realize water drainage.
8. A construction method of a fabricated lining waterproof structure according to claim 1, wherein: the transverse water conduit is divided into two specifications of a hose and a corrugated pipe, the hose is connected with the longitudinal water drainage pipe through the three-way pipe before the assembled lining segment is assembled, and after the assembled lining segment is installed, the hose is pulled out of a hole and is connected with the corrugated pipe and then discharged into the lateral blind ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010027322.0A CN111236986A (en) | 2020-01-10 | 2020-01-10 | Waterproof and drainage structure of fabricated lining and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010027322.0A CN111236986A (en) | 2020-01-10 | 2020-01-10 | Waterproof and drainage structure of fabricated lining and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111236986A true CN111236986A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010027322.0A Pending CN111236986A (en) | 2020-01-10 | 2020-01-10 | Waterproof and drainage structure of fabricated lining and construction method thereof |
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| Country | Link |
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| CN (1) | CN111236986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278375A (en) * | 2021-12-18 | 2022-04-05 | 中建一局集团京通路桥建设有限公司 | Tunnel hoop drainage system |
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| CN2309421Y (en) * | 1997-11-27 | 1999-03-03 | 杨文玺 | Built-in drain pipe specially adapted for tunnel arched wall |
| KR20050072513A (en) * | 2004-01-06 | 2005-07-12 | 연일화섬공업(주) | Settling ring for waterproof sheets to be used in tunnel drainage structures, and drainage structures containing the ring and method of drainage construction using the ring |
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| CN108361050A (en) * | 2018-05-17 | 2018-08-03 | 云南交投集团公路建设有限公司 | A kind of waterproof system for vcehicular tunnel corrugated steel preliminary bracing structure |
| CN208330415U (en) * | 2018-05-22 | 2019-01-04 | 中铁二院工程集团有限责任公司 | A kind of tunnel-liner waterproof and water drainage system effectivelying prevent draining blind pipe blocking |
| CN109441535A (en) * | 2018-11-09 | 2019-03-08 | 中国十七冶集团有限公司 | A kind of tunnel waterproof and water drainage system and its construction method |
| CN109751080A (en) * | 2019-01-15 | 2019-05-14 | 西南交通大学 | The supporting construction and construction method with guarded drainage function suitable for water rich strata |
| CN209261622U (en) * | 2018-11-21 | 2019-08-16 | 陕西交通公路设计研究院有限公司 | A kind of tunnel-liner discharge structure |
| CN209354194U (en) * | 2019-01-07 | 2019-09-06 | 中交一公局桥隧工程有限公司 | Semicircular tunnel drain pipe |
| CN211692510U (en) * | 2020-01-10 | 2020-10-16 | 中交第二公路勘察设计研究院有限公司 | Waterproof and drainage structure of assembled lining |
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2020
- 2020-01-10 CN CN202010027322.0A patent/CN111236986A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309421Y (en) * | 1997-11-27 | 1999-03-03 | 杨文玺 | Built-in drain pipe specially adapted for tunnel arched wall |
| KR20050072513A (en) * | 2004-01-06 | 2005-07-12 | 연일화섬공업(주) | Settling ring for waterproof sheets to be used in tunnel drainage structures, and drainage structures containing the ring and method of drainage construction using the ring |
| CN107100671A (en) * | 2017-05-31 | 2017-08-29 | 中铁七局集团第三工程有限公司 | A kind of pressure surface shape of tunnel rich water country rock, which drops down, draws drainage mechanism in adfluxion |
| CN107178393A (en) * | 2017-07-07 | 2017-09-19 | 中铁第四勘察设计院集团有限公司 | A kind of Tunnel Second Lining water pressure control structure |
| CN108361050A (en) * | 2018-05-17 | 2018-08-03 | 云南交投集团公路建设有限公司 | A kind of waterproof system for vcehicular tunnel corrugated steel preliminary bracing structure |
| CN208330415U (en) * | 2018-05-22 | 2019-01-04 | 中铁二院工程集团有限责任公司 | A kind of tunnel-liner waterproof and water drainage system effectivelying prevent draining blind pipe blocking |
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| CN209261622U (en) * | 2018-11-21 | 2019-08-16 | 陕西交通公路设计研究院有限公司 | A kind of tunnel-liner discharge structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278375A (en) * | 2021-12-18 | 2022-04-05 | 中建一局集团京通路桥建设有限公司 | Tunnel hoop drainage system |
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