CN115822612B - Vertical shaft water-proof and drainage system with pressure relief device - Google Patents
Vertical shaft water-proof and drainage system with pressure relief device Download PDFInfo
- Publication number
- CN115822612B CN115822612B CN202211542471.6A CN202211542471A CN115822612B CN 115822612 B CN115822612 B CN 115822612B CN 202211542471 A CN202211542471 A CN 202211542471A CN 115822612 B CN115822612 B CN 115822612B
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- Prior art keywords
- blind pipe
- pressure relief
- drainage
- pipe
- vertical
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 5
- 239000011435 rock Substances 0.000 claims description 4
- 239000004746 geotextile Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000002411 adverse Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003673 groundwater Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Sewage (AREA)
Abstract
The invention discloses a vertical shaft waterproof and drainage system with a pressure relief device, wherein non-woven fabrics are wrapped on the outer side of a circumferential drainage blind pipe, the circumferential drainage blind pipe is spirally arranged close to an initial support surface, the inclination angle of a spiral and the interval between adjacent spirals are adjusted according to drainage requirements, the vertical diversion blind pipe is vertically arranged and fixed on the initial support surface along a well wall by a designed interval, the circumferential drainage blind pipe is connected with the vertical diversion blind pipe through a connecting pipe, waterproof plates are arranged on the inner sides of the circumferential drainage blind pipe and the vertical diversion blind pipe, and the vertical diversion blind pipe is connected with the pressure relief device through the connecting pipe. The invention has the advantages that: the method can effectively solve the problems of drainage pressure caused by local enrichment of underground water to a local drainage system and larger local water pressure generated to the secondary lining, and avoids adverse effects of overlarge local water pressure on the stress of the secondary lining of the vertical shaft.
Description
Technical Field
The invention relates to a vertical shaft water-proof and drainage system with a pressure relief device, in particular to a vertical shaft water-proof and drainage system with an automatic pressure relief device added on a vertical diversion pipe.
Background
In the construction of long tunnels, a vertical shaft is an indispensable auxiliary structure for tunnel construction assistance and later operation ventilation. The vertical shaft is generally built in the middle area of the tunnel, the depth is generally varied from hundreds to kilometers, the depth is large, the penetrating underground water is complex, the local enrichment area of the underground water is often encountered, the drainage system is often failed to cause the local accumulation of the underground water, the structure of the vertical shaft is subjected to large local water pressure, the stress of the secondary lining is adversely affected, and the safety of the structure of the vertical shaft is endangered.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the vertical shaft water-proof and drainage system with the pressure relief device, aiming at the problems, which avoids the adverse effect of excessive local water pressure on the stress of the secondary lining of the vertical shaft.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a vertical shaft drainage system with pressure relief device, includes to drainage blind pipe, vertical water conservancy diversion blind pipe, pressure relief device, connecting pipe, fixing device, waterproof board and water collecting tank, the non-woven fabrics has been twined in the drainage blind pipe outside to the ring, the initial support surface is hugged closely to the drainage blind pipe and is the heliciform and arranges, adjusts the inclination of spiral and the interval between the adjacent spirals according to the drainage needs, vertical water conservancy diversion blind pipe is along the wall of a well a week according to the vertical setting of design interval on the initial support surface, be connected through the connecting pipe between drainage blind pipe to the ring and the vertical water conservancy diversion blind pipe, be equipped with the waterproof board in drainage blind pipe to the drainage blind pipe and the vertical water conservancy diversion blind pipe inboard, vertical water conservancy diversion blind pipe passes through the connecting pipe and is connected with pressure relief device, the drainage blind pipe is collected the groundwater rivers in the country rock body to the ring, and the groundwater rivers are collected in vertical water conservancy diversion blind pipe under the effect, finally catchment is in the water collecting tank in the shaft bottom, pressure relief device is in can't in time to follow the vertical water conservancy diversion blind pipe and is concentrated down the local water under the circumstances that there is the underground water local enrichment blind pipe around the shaft and is unable to take the drainage blind pipe to follow the water local water pressure that gathers the automatic water pressure that opens when the shaft and bearing the local water pressure that is born automatically and opens the underground water pressure device.
Further, the connecting pipe comprises a three-way connecting pipe and a four-way connecting pipe, the vertical diversion blind pipe is connected with the pressure relief device through the three-way connecting pipe, and the annular drainage blind pipe is connected with the vertical diversion blind pipe through the four-way connecting pipe.
Further, the connection parts of the three-way connecting pipe, the vertical diversion blind pipe and the pressure relief device and the connection parts of the four-way connecting pipe, the annular drainage blind pipe and the vertical diversion blind pipe are wrapped with nonwoven geotextile.
Further, the pressure relief device comprises a pressure relief valve, a pressure gauge is arranged on the pressure relief valve, and a water control valve is arranged at one end, connected with the connecting pipe, of the pressure relief valve.
Compared with the prior art, the invention has the advantages that:
the drainage system is applied to the vertical shaft after being modified, and compared with the conventional vertical shaft drainage system, the pressure relief device is additionally arranged on the vertical diversion blind pipe, so that the problems of drainage pressure caused by local enrichment of underground water to the local drainage system and larger local water pressure generated to the secondary lining can be effectively solved, and adverse effects of overlarge local water pressure on the stress of the secondary lining of the vertical shaft are avoided.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a pressure relief device according to the present invention;
fig. 3 is a schematic structural view of the connecting tube of the present invention.
Reference numerals: 1. a blind pipe for circumferential drainage; 2. a vertical diversion blind pipe; 3. a pressure relief device; 4. a connecting pipe; 5. a fixing device; 6. a waterproof board; 7. a water collecting tank, 31 and a pressure release valve; 32. a pressure gauge; 33. and a water control valve.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indications such as up, down, left, right, front, and rear … … in the embodiments of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1-3, the outside of the annular drainage blind pipe 1 is wrapped with non-woven fabrics, the annular drainage blind pipe 1 is tightly clung to the primary support surface and is spirally arranged, the inclination angle of the spiral and the interval between adjacent spirals are adjusted according to drainage needs, the vertical drainage blind pipe 2 is vertically arranged and fixed on the primary support surface according to the designed interval along the circumference of a well wall, the annular drainage blind pipe 1 is connected with the vertical drainage blind pipe 2 through a connecting pipe 4, the inner sides of the annular drainage blind pipe 1 and the vertical drainage blind pipe 2 are provided with waterproof plates 6, the vertical drainage blind pipe 2 is connected with a pressure relief device 3 through the connecting pipe 4, the annular drainage blind pipe 1 collects groundwater flow in a surrounding rock body, the groundwater flow is collected into the vertical drainage blind pipe 2 under the action of gravity and finally is collected into a water collecting tank 7 at the bottom of the well, the pressure relief device 3 automatically opens and discharges the collected groundwater flow when the collected water flow of the annular drainage blind pipe 1 can not timely drain the annular drainage blind pipe 1 around the well to cause the local bearing large water pressure, and the pressure relief device is automatically opened when the local pressure relief device is locally relieved.
Firstly, the annular drainage blind pipe 1 is wrapped by non-woven fabrics, then the annular drainage blind pipe 1 is clung to an initial support surface and is spirally arranged, the inclination angle of the spiral and the interval between adjacent spirals are adjusted according to drainage needs, fixing is completed by a fixing device, the vertical diversion blind pipe 2 is vertically arranged and fixed on the initial support surface along the circumference of a well wall according to the designed interval, the annular drainage blind pipe 1 is connected with the vertical diversion blind pipe 2 by a four-way connecting pipe, non-woven geotextile is wrapped at an interface, a waterproof plate 6 is installed after the installation of the annular and vertical blind pipes is completed, and a pressure relief device 3 is installed on the vertical diversion blind pipe 2 by using the three-way connecting pipe according to the design interval requirement. When the drainage system works, groundwater flow in surrounding rock mass is collected by the annular drainage blind pipe 1, collected into the vertical diversion blind pipe 2 under the action of gravity, and finally collected into the water collecting pool 7 at the bottom of the vertical shaft. When underground water is locally enriched around the vertical shaft, the vertical diversion blind pipe 2 cannot timely drain water flow collected by the annular diversion blind pipe 1 to cause that the shaft is locally subjected to larger water pressure, the pressure relief device 3 can be automatically opened to drain locally concentrated underground water, and the vertical diversion blind pipe is automatically closed after the local water pressure is reduced.
The invention and its embodiments have been described in a non-limiting manner, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (4)
1. A vertical shaft drainage system with pressure release device, its characterized in that: comprises a circumferential drainage blind pipe (1), a vertical diversion blind pipe (2), a pressure relief device (3), a connecting pipe (4), a fixing device (5), a waterproof board (6) and a water collecting tank (7), wherein the outer side of the circumferential drainage blind pipe (1) is wrapped with non-woven fabrics, the circumferential drainage blind pipe (1) is tightly clung to an initial supporting surface and is spirally and continuously arranged along the circumferential direction of the initial supporting surface, the inclination angle of the spiral and the interval between adjacent spirals are adjusted according to drainage needs, the vertical diversion blind pipe (2) is vertically arranged and fixed on the initial supporting surface along the circumference of a well wall according to the design interval, the circumferential drainage blind pipe (1) is connected with the vertical diversion blind pipe (2) through the connecting pipe (4), the inner sides of the annular drainage blind pipe (1) and the vertical diversion blind pipe (2) are provided with waterproof plates (6), the vertical diversion blind pipe (2) is connected with a pressure relief device (3) through a connecting pipe (4), the annular drainage blind pipe (1) collects underground water flow in a surrounding rock body, the underground water flow is collected into the vertical diversion blind pipe (2) under the action of gravity and finally collected into a water collecting tank (7) at the bottom of a vertical shaft, the pressure relief device (3) can not timely drain underground water collected by the annular diversion blind pipe (1) when the underground water locally collects around the vertical shaft, so that the underground water locally collected by the vertical shaft is automatically opened and drained when the vertical shaft locally bears large water pressure, the pressure relief device (3) is automatically closed after the partial water pressure is reduced.
2. A shaft water drainage system with pressure relief device as in claim 1 wherein: the connecting pipe (4) comprises a three-way connecting pipe and a four-way connecting pipe, the vertical diversion blind pipe (2) is connected with the pressure relief device (3) through the three-way connecting pipe, and the annular drainage blind pipe (1) is connected with the vertical diversion blind pipe (2) through the four-way connecting pipe.
3. A shaft water drainage system with pressure relief device as in claim 2, wherein: the non-woven geotextile is wrapped at the joint of the three-way connecting pipe, the vertical diversion blind pipe (2) and the pressure relief device (3) and the joint of the four-way connecting pipe, the annular drainage blind pipe (1) and the vertical diversion blind pipe (2).
4. A shaft water drainage system with pressure relief device as in claim 1 wherein: the pressure relief device comprises a pressure relief valve (31), a pressure gauge (32) is arranged on the pressure relief valve (31), and a water control valve (33) is arranged at one end, connected with the connecting pipe (4), of the pressure relief valve (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211542471.6A CN115822612B (en) | 2022-12-02 | 2022-12-02 | Vertical shaft water-proof and drainage system with pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211542471.6A CN115822612B (en) | 2022-12-02 | 2022-12-02 | Vertical shaft water-proof and drainage system with pressure relief device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115822612A CN115822612A (en) | 2023-03-21 |
| CN115822612B true CN115822612B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211542471.6A Active CN115822612B (en) | 2022-12-02 | 2022-12-02 | Vertical shaft water-proof and drainage system with pressure relief device |
Country Status (1)
| Country | Link |
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| CN (1) | CN115822612B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201496072U (en) * | 2009-08-31 | 2010-06-02 | 中铁第四勘察设计院集团有限公司 | Fully-closed water-proof composite lining structure capable of adjusting water pressure |
| CN110056012A (en) * | 2019-04-25 | 2019-07-26 | 中铁二院工程集团有限责任公司 | The guarded drainage system of prefabricated open caisson structure |
| CN210768766U (en) * | 2019-10-25 | 2020-06-16 | 中建八局轨道交通建设有限公司 | Drainage system for treating stagnant water between underground excavation shaft layers |
| CN111322112A (en) * | 2020-04-30 | 2020-06-23 | 中铁上海设计院集团有限公司 | Waterproof lining capable of actively controlling pressure and application method thereof |
| CN216306009U (en) * | 2021-08-19 | 2022-04-15 | 四川川交路桥有限责任公司 | Circumferential drainage system for vertical shaft |
| CN216518138U (en) * | 2021-08-20 | 2022-05-13 | 四川川交路桥有限责任公司 | Vertical drainage system of shaft |
| CN216841801U (en) * | 2021-08-19 | 2022-06-28 | 四川川交路桥有限责任公司 | Shaft drainage system |
| CN217464759U (en) * | 2022-05-17 | 2022-09-20 | 厦门建发建设运营管理有限公司 | Waterproof construction of shaft tuber pipe |
| CN217897962U (en) * | 2022-07-27 | 2022-11-25 | 中建八局第三建设有限公司 | Urban tunnel ventilation shaft drainage system |
-
2022
- 2022-12-02 CN CN202211542471.6A patent/CN115822612B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201496072U (en) * | 2009-08-31 | 2010-06-02 | 中铁第四勘察设计院集团有限公司 | Fully-closed water-proof composite lining structure capable of adjusting water pressure |
| CN110056012A (en) * | 2019-04-25 | 2019-07-26 | 中铁二院工程集团有限责任公司 | The guarded drainage system of prefabricated open caisson structure |
| CN210768766U (en) * | 2019-10-25 | 2020-06-16 | 中建八局轨道交通建设有限公司 | Drainage system for treating stagnant water between underground excavation shaft layers |
| CN111322112A (en) * | 2020-04-30 | 2020-06-23 | 中铁上海设计院集团有限公司 | Waterproof lining capable of actively controlling pressure and application method thereof |
| CN216306009U (en) * | 2021-08-19 | 2022-04-15 | 四川川交路桥有限责任公司 | Circumferential drainage system for vertical shaft |
| CN216841801U (en) * | 2021-08-19 | 2022-06-28 | 四川川交路桥有限责任公司 | Shaft drainage system |
| CN216518138U (en) * | 2021-08-20 | 2022-05-13 | 四川川交路桥有限责任公司 | Vertical drainage system of shaft |
| CN217464759U (en) * | 2022-05-17 | 2022-09-20 | 厦门建发建设运营管理有限公司 | Waterproof construction of shaft tuber pipe |
| CN217897962U (en) * | 2022-07-27 | 2022-11-25 | 中建八局第三建设有限公司 | Urban tunnel ventilation shaft drainage system |
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| Publication number | Publication date |
|---|---|
| CN115822612A (en) | 2023-03-21 |
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