CN216518138U - Vertical drainage system of shaft - Google Patents
Vertical drainage system of shaft Download PDFInfo
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- CN216518138U CN216518138U CN202121974207.0U CN202121974207U CN216518138U CN 216518138 U CN216518138 U CN 216518138U CN 202121974207 U CN202121974207 U CN 202121974207U CN 216518138 U CN216518138 U CN 216518138U
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Abstract
The utility model relates to the technical field of mine method tunnel shaft water-proof and drainage, in particular to a shaft vertical drainage system, which comprises a vertical drainage blind pipe assembly, an annular diversion blind pipe, a three-way connecting pipe, a four-way connecting pipe, a primary support, a steel clamp and two-lining concrete; the hoop water conservancy diversion blind pipe is provided with a plurality ofly along vertical direction, the vertical setting of vertical drainage blind pipe subassembly, vertical drainage blind pipe subassembly is provided with two sets ofly, vertical drainage blind pipe subassembly is including being responsible for and inferior pipe, be responsible for and the crisscross setting of inferior pipe, be responsible for and inferior pipe all include a plurality of segmentations, vertical drainage blind pipe subassembly passes through the steel card and installs on the shotcrete aspect of preliminary bracing, the attached setting of hoop water conservancy diversion blind pipe is on shotcrete aspect, the hoop water conservancy diversion blind pipe is formed by two pipeline section concatenations, two pipeline sections are the arc structure, two pipeline sections increase gradually along the height of keeping away from concatenation end direction. The utility model can effectively realize reasonable drainage of seepage water on the wall of the vertical well and improve the working environment in the vertical well.
Description
Technical Field
The utility model relates to the technical field of mine method tunnel shaft water prevention and drainage, in particular to a vertical drainage system of a shaft.
Background
The engineering geological conditions of mountainous areas are complex, water inrush, mud inrush and the like easily occur when the tunnel passes through the karst areas, and the water leakage phenomenon generally exists. The existing precautionary measures aiming at water leakage mainly comprise two forms of blocking and dredging, the traditional water-proof system of the tunnel main body structure comprises a drainage blind pipe, a central ditch, a waterproof plate, a water stop strip and the like, and the auxiliary structures of a vertical shaft and the like mostly adopt a water collecting bin/water collecting well centralized pumping drainage mode. Various pipelines, cables and accessory facilities in the well are exposed to an excessively humid environment for a long time, and the normal operation and the service life of the pipelines and the cables are greatly influenced. When the problem of water leakage is serious, corrosive media and corrosive substances carried in underground water can corrode the lining structure, so that certain potential safety hazards exist.
Chinese patent application No. CN202020224022.7 discloses a vertical shaft structure suitable for weak surrounding rock, in which a vertical shaft wall is sequentially provided with a preliminary support, outer ring concrete, circumferential expansion joints, door groove concrete and a double-running steel ladder from outside to inside. The outer contour of the cross section of the vertical shaft is in a double-arc shape, and the inner contour is in a convex shape; surrounding rocks are mutually extruded on the arc-shaped beam, so that the external soil pressure load generated by the sliding of the surrounding rocks into the vertical shaft is reduced, the soil arch effect is fully utilized, and the stability of the well wall in the construction period is improved; the circular arc-shaped profile can fully exert the characteristic of good compression resistance of concrete, and the safety of the shaft structure in the operation period is improved; the circumferential expansion joint is arranged between the outer ring concrete and the gate slot concrete, so that the influence of the deformation of the outer ring concrete surrounding rock mass system on the gate slot structure is reduced, and the reliability of the gate in the operation period is improved.
However, in the technical scheme, 4.5m deep system drain holes are arranged at large-area water seepage positions on the wall of the vertical shaft, the interval is 2m multiplied by 2m, the drainage action range is limited, and the water seepage condition still occurs in the area without the drain holes, so that the potential safety hazard exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vertical drainage system of a vertical shaft aiming at the problems in the background technology, which comprises a vertical drainage blind pipe assembly, an annular diversion blind pipe, a three-way connecting pipe, a four-way connecting pipe, a primary support, a steel clamp and two pieces of lining concrete; the annular flow guide blind pipes are arranged in the vertical direction, the vertical drainage blind pipe assemblies are arranged vertically, two groups of vertical drainage blind pipe assemblies are arranged, each vertical drainage blind pipe assembly comprises a main pipe and a secondary pipe, the main pipes and the secondary pipes are arranged in a staggered mode and comprise a plurality of sections, the vertical drainage blind pipe assemblies are installed on a sprayed concrete layer of primary support through steel clamps, the annular flow guide blind pipes are attached to the sprayed concrete layer, each annular flow guide blind pipe is formed by splicing two pipe sections, the two pipe sections are of arc structures, the heights of the two pipe sections in the direction away from the splicing end are gradually increased, the inclination directions of the two adjacent annular flow guide blind pipes are opposite, the splicing ends of the two pipe sections are communicated with the two adjacent sections of the main pipe through a four-way connecting pipe, and the other ends, opposite to the splicing ends, of the two pipe sections are communicated with the two adjacent sections of the secondary pipe through a three-way connecting pipe; the secondary lining concrete is positioned on the inner side of the primary support, and the vertical drainage blind pipe assembly and the annular diversion blind pipe are positioned between the primary support and the secondary lining concrete; a water collecting bin is arranged at the bottom of the vertical shaft; the bottom end of the vertical drainage blind pipe assembly is communicated with the water collecting bin.
Preferably, the outer surfaces of the main pipe, the secondary pipe and the annular flow guide blind pipe are wrapped with non-woven fabrics.
Preferably, the end parts of the three-way connecting pipe and the four-way connecting pipe are wrapped with geotextile.
Preferably, the interval between two adjacent annular diversion blind pipes is 5-10 meters.
Compared with the prior art, the utility model has the following beneficial technical effects:
the vertical drainage blind pipe assembly comprises a vertical drainage blind pipe assembly, an annular flow guide blind pipe, a three-way connecting pipe and a four-way connecting pipe, and the pipeline is fixed on a sprayed concrete layer of a primary support of the vertical shaft through a steel clamp.
Drawings
FIG. 1 is a schematic overall layout of an embodiment of the present invention;
FIG. 2 is a schematic view of a drainage path according to the present embodiment;
fig. 3 is a partial top view of the present embodiment.
Reference numerals: 1. a vertical drainage blind pipe assembly; 11. a main pipe; 12. a secondary pipe; 2. a circular flow guiding blind pipe; 3. a three-way connecting pipe; 4. a four-way connecting pipe; 5. primary support; 6. steel cards; 7. spraying a concrete layer; 8. and (5) lining the concrete.
Detailed Description
As shown in fig. 1-3, the vertical drainage system for the shaft provided by the utility model comprises a vertical drainage blind pipe assembly 1, an annular diversion blind pipe 2, a three-way connecting pipe 3, a four-way connecting pipe 4, a primary support 5, a steel clamp 6 and secondary lining concrete 8; a plurality of annular flow guide blind pipes 2 are arranged along the vertical direction, and the interval between two adjacent annular flow guide blind pipes 2 is 5-10 meters. The vertical drainage blind pipe assembly 1 is vertically arranged, two groups of vertical drainage blind pipe assemblies 1 are arranged, each vertical drainage blind pipe assembly 1 comprises a main pipe 11 and a secondary pipe 12, the main pipe 11 and the secondary pipes 12 are arranged in a staggered mode, each main pipe 11 and each secondary pipe 12 comprise a plurality of sections, each vertical drainage blind pipe assembly 1 is installed on a sprayed concrete layer 7 of a primary support 5 through a steel clamp 6, each annular flow guide blind pipe 2 is attached to the sprayed concrete layer 7, each annular flow guide blind pipe 2 is formed by splicing two pipe sections, each two pipe sections are of arc structures, the heights of the two pipe sections in the direction far away from the splicing end are gradually increased, the inclination directions of the two adjacent annular flow guide blind pipes 2 are opposite, the splicing ends of the two pipe sections are communicated with the two adjacent sections of the main pipe 11 through a four-way connecting pipe 4, and the other ends, opposite to the splicing ends, of the two pipe sections are communicated with the two adjacent sections of the secondary pipes 12 through a three-way connecting pipe 3, the underground water seeped into the vertical drainage blind pipe assembly 1 and the annular diversion blind pipe 2 can flow downwards along the vertical drainage blind pipe assembly 1 and the annular diversion blind pipe 2, and the underground water in the annular diversion blind pipe 2 can also enter the main pipe 11 through the three-way connecting pipe 3 and the four-way connecting pipe 4 and finally flow downwards; the secondary lining concrete 8 is positioned on the inner side of the primary support 5, and the vertical drainage blind pipe assembly 1 and the annular diversion blind pipe 2 are positioned between the primary support 5 and the secondary lining concrete 8; a water collecting bin is arranged at the bottom of the vertical shaft; the bottom end of the vertical drainage blind pipe component 1 is communicated with the water collecting bin, and underground water is pumped and discharged out of the well through water pumping equipment which is arranged in the drainage pump room in a centralized mode.
The outer surfaces of the main pipe 11, the secondary pipe 12 and the annular diversion blind pipe 2 are all wrapped with non-woven fabrics, and mortar particles in secondary lining concrete 8 poured later and silt particles mixed in seepage water can be prevented from blocking the vertical drainage blind pipe assembly 1. Geotextile is wrapped at the end parts of the three-way connecting pipe 3 and the four-way connecting pipe 4, and the geotextile can cut off and leak slurry so as to prevent interlayer water accumulation caused by channel blockage.
This embodiment includes vertical drainage blind pipe subassembly 1, hoop water conservancy diversion blind pipe 2, tee junction pipe 3 and cross connecting pipe 4, fixes the pipeline on the shotcrete aspect 7 of shaft preliminary bracing 5 through steel card 6, has that the installation is simple and easy, simple structure, dredges the advantage that drainage effect is good, the drainage route is clear and difficult jam, effectively realizes the reasonable of shaft wall of a well seepage water and dredges, improves the interior operational environment.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (4)
1. A vertical drainage system of a vertical shaft is characterized by comprising a vertical drainage blind pipe assembly (1), an annular diversion blind pipe (2), a three-way connecting pipe (3), a four-way connecting pipe (4), a primary support (5), a steel clamp (6) and secondary lining concrete (8);
the vertical drainage blind pipe assembly (1) comprises a main pipe (11) and secondary pipes (12), the main pipe (11) and the secondary pipes (12) are arranged in a staggered manner, the main pipe (11) and the secondary pipes (12) comprise a plurality of sections, the vertical drainage blind pipe assembly (1) is arranged on a sprayed concrete layer (7) of an initial support (5) through a steel clamp (6), the circumferential drainage blind pipe (2) is attached to the sprayed concrete layer (7), the circumferential drainage blind pipe (2) is formed by splicing two pipe sections, the two pipe sections are of an arc-shaped structure, the heights of the two pipe sections far away from the splicing end direction are gradually increased, the inclination directions of the two adjacent circumferential drainage blind pipes (2) are opposite, and the splicing ends of the two pipe sections are communicated with the two adjacent sections of the main pipe (11) through a four-way connecting pipe (4), the other ends of the two pipe sections, which are opposite to the splicing end, are communicated with two adjacent sections of the secondary pipe (12) through a three-way connecting pipe (3); the secondary lining concrete (8) is positioned on the inner side of the primary support (5), and the vertical drainage blind pipe assembly (1) and the annular diversion blind pipe (2) are positioned between the primary support (5) and the secondary lining concrete (8); a water collecting bin is arranged at the bottom of the vertical shaft; the bottom end of the vertical drainage blind pipe component (1) is communicated with the water collecting bin.
2. A vertical drainage system of a shaft according to claim 1, wherein the outer surfaces of the main pipe (11), the secondary pipe (12) and the circumferential diversion blind pipe (2) are all wrapped with non-woven fabrics.
3. A shaft vertical drainage system according to claim 1, characterized in that the ends of the three-way connection pipe (3) and the four-way connection pipe (4) are wrapped with geotextile.
4. A shaft vertical drainage system according to claim 1, characterized in that the interval between two adjacent circumferential diversion blind pipes (2) is 5-10 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974207.0U CN216518138U (en) | 2021-08-20 | 2021-08-20 | Vertical drainage system of shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974207.0U CN216518138U (en) | 2021-08-20 | 2021-08-20 | Vertical drainage system of shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216518138U true CN216518138U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121974207.0U Active CN216518138U (en) | 2021-08-20 | 2021-08-20 | Vertical drainage system of shaft |
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| CN (1) | CN216518138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822613A (en) * | 2022-12-02 | 2023-03-21 | 四川川交路桥有限责任公司 | Shaft drainage system that prevents with bed course that permeates water |
| CN115822612B (en) * | 2022-12-02 | 2023-12-05 | 西南交通大学 | Vertical shaft water-proof and drainage system with pressure relief device |
-
2021
- 2021-08-20 CN CN202121974207.0U patent/CN216518138U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822613A (en) * | 2022-12-02 | 2023-03-21 | 四川川交路桥有限责任公司 | Shaft drainage system that prevents with bed course that permeates water |
| CN115822612B (en) * | 2022-12-02 | 2023-12-05 | 西南交通大学 | Vertical shaft water-proof and drainage system with pressure relief device |
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