CN219299367U - Vertical shaft combined type waterproof and drainage system - Google Patents

Abstract

The utility model discloses a vertical shaft composite waterproof and drainage system, which relates to the technical field of tunnel lining construction equipment and comprises a vertical drain pipe and a plurality of layers of annular drainage grooves which are arranged up and down, wherein each annular drainage groove comprises an inner annular drainage groove and an outer annular drainage groove, the inner annular drainage groove and the outer annular drainage groove are respectively arranged on the inner ring and the outer ring of an annular waterproof plate of a vertical shaft, and the vertical drain pipe is communicated with the bottoms of the inner annular drainage groove and the outer annular drainage groove. The utility model adopts a double-layer waterproof structure, and the inner and outer annular sides of the waterproof plate are respectively provided with the annular drainage grooves, so that the waterproof plate is prevented from being foamed to be damaged. The inclined drain pipe is utilized to drain accumulated water to the vertical drain pipe, so that the technical problem that the existing water collecting and draining assembly is unreasonable in arrangement is solved.

Description

Vertical shaft combined type waterproof and drainage system

Technical Field

The utility model relates to the technical field of tunnel lining construction equipment, in particular to a vertical shaft composite waterproof and drainage system.

Background

With the rapid development of national economy, traffic facility construction is also rapidly developed, thereby generating a plurality of long and large railway tunnels. In order to realize the development of southwest regions in recent years, most of built railways need to traverse mountain hills and hills, railway tunnels are characterized by deep burial, long and large, and tunnel shafts are developed in the directions of increasing size and depth.

However, in the tunnel shaft construction, a plurality of bad geological distribution areas, such as a deep and large movable fault zone, a surrounding rock breaking zone, a high-stress Gao Dewen distributing zone, a rock burst distributing zone and a soft rock large deformation distributing zone, need to be traversed, and thus great difficulty is brought to the construction. In addition, the current railway tunnel shaft design is not explicitly and specifically referred to by detailed specifications, and is especially designed for special poor geological areas, and most of the railway tunnel shaft design is also referred to by mine construction specifications, so that a plurality of water inrush accidents occur, the construction period is delayed, and casualties and huge economic losses are caused.

To solve the gushing water accident, we generally adopt a drainage system in a shaft, for example, patent application CN 216841801U: a vertical shaft drainage system comprises a water collecting and draining assembly, an initial support, a waterproof board, a secondary lining and a water collecting tank; the primary support, the waterproof board and the secondary lining are of annular structures, and are sequentially arranged from outside to inside, the water collecting and draining assembly is arranged between the waterproof board and the secondary lining, the water collecting and draining assembly comprises vertical draining blind pipes, annular draining blind pipes and draining pipelines, the annular draining blind pipes are obliquely arranged, the annular draining blind pipes are arranged side by side along the vertical direction, the vertical draining blind pipes are vertically arranged, the annular draining blind pipes are communicated through the vertical draining blind pipes, one end of each draining pipeline is communicated with the bottom end of the inclined annular draining blind pipe, and the other end of each draining pipeline is communicated with a water collecting tank. The utility model adapts the water-proof and drainage system which is commonly used in tunnels and has good effect to the vertical shaft after being transformed, and better solves the problem of underground water leakage in the vertical shaft.

However, this structure is owing to set up water collecting drainage subassembly between waterproof board and secondary lining, to the outer underground infiltration water of waterproof board, be difficult to in time discharge, and destroy the outer preliminary bracing of waterproof board easily, cause the injury of shaft stratum basale, and the preliminary bracing is long-term to be soaked, lead to preliminary bracing, waterproof board swelling easily for take place the separation between preliminary bracing and the waterproof board, destroy the structure of waterproof board, lead to waterproof inefficacy, after a long time, produce harmful effects to the overall structure of shaft easily.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a vertical shaft composite type water-proof and drainage system so as to solve the technical problem that the existing water-collecting and drainage assembly is unreasonable to set.

The technical scheme adopted by the utility model is as follows:

the utility model provides a drainage system is prevented to shaft combined type, includes vertical drain pipe and a plurality of layers of annular water drainage tank that set up from top to bottom, annular water drainage tank includes interior annular water drainage tank and outer annular water drainage tank, interior annular water drainage tank and outer annular water drainage tank set up the annular waterproof board at the shaft respectively and encircle, vertical drain pipe is linked together with the tank bottom of interior annular water drainage tank, outer annular water drainage tank.

Preferably, central axes of the inner annular drainage groove and the outer annular drainage groove overlap, and the horizontal planes of the inner annular drainage groove and the outer annular drainage groove are arranged up and down.

Preferably, the central axes of the inner annular drainage groove and the outer annular drainage groove form an included angle of 20-30 degrees with the vertical direction.

Furthermore, the vertical drainage pipes are provided with a plurality of vertical drainage pipes, the vertical drainage pipes are fixed in the inner annular drainage grooves, the plurality of vertical drainage pipes are uniformly distributed along the circumferential direction of the inner annular drainage grooves, and drainage holes are formed in the positions, in contact with the bottoms of the inner annular drainage grooves, of the vertical drainage pipes; and an inclined drainage branch pipe which is obliquely communicated with the vertical drainage pipe is arranged at the bottom of the outer annular drainage groove.

In summary, compared with the prior art, the utility model has the following advantages and beneficial effects:

the utility model improves on the prior art (the concrete structure of a vertical shaft is detailed in patent application No. CN 216841801U, which discloses a vertical shaft drainage system), and discloses a vertical shaft composite waterproof drainage system which adopts a double-layer waterproof structure, and annular drainage grooves are arranged on the inner ring side and the outer ring side of a waterproof board, so that the waterproof board is prevented from being foamed to damage the waterproof board. The inclined drain pipe is utilized to drain accumulated water to the vertical drain pipe, so that the technical problem that the existing water collecting and draining assembly is unreasonable in arrangement is solved.

Drawings

FIG. 1 shows a shaft composite waterproof and drainage system provided by the utility model;

in the figure: 1. an inner circumferential drainage channel; 2. an outer annular drainage groove; 21. oblique drainage branch pipes; 3. a vertical drainage blind pipe; 31. and a drain hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model.

Examples

As shown in fig. 1, the shaft composite type water-proof and drainage system provided by the utility model is arranged in an existing shaft (the concrete structure of the shaft is shown in patent application CN 216841801U, a shaft drainage system).

In the concrete implementation, firstly, an initial support is constructed, 5 layers of outer rings are obliquely arranged on the initial support towards the water drainage tank 2, and one end of an oblique water drainage branch pipe 21 is arranged at a through hole at the bottom of the water drainage tank 2 of the outer rings; then, a waterproof plate is paved close to the primary support 1 and the outer annular drainage groove 2, through holes of the inclined drainage branch pipes 21 are reserved in the waterproof plate, and the other ends of the inclined drainage branch pipes 21 extend to the inner side of the waterproof plate after installation; the 5-layer inner annular drainage groove 1 is paved against the waterproof board, the inner annular drainage groove 1 is lower than the outer annular drainage groove 2, the central axes of the outer annular drainage groove 2 and the inner annular drainage groove 1 form an included angle of 25 degrees with the vertical direction, then a vertical drainage blind pipe 3 penetrating through the 5-layer inner annular drainage groove 1 is arranged on the inner annular drainage groove 1, a connecting hole and a drainage hole 31 are reserved in the vertical drainage blind pipe 3, and the drainage hole 31 arranged on the vertical drainage blind pipe 3 is positioned at the bottom of the inner annular drainage groove 1; the other end of the inclined drain branch pipe 21 is communicated with the connecting hole of the vertical drain blind pipe 3. And pouring the secondary lining, and finishing the paving of the vertical shaft after the pouring of the secondary lining is finished.

When the vertical shaft composite waterproof and drainage system specifically works, the waterproof board can play a good waterproof and seepage role, when groundwater seeps out from the inner side and the outer side of the waterproof board, the groundwater is collected by the outer ring-direction drainage tank 2 and the inner ring-direction drainage tank 1, is conveyed to the vertical drainage blind pipe 3 through the inclined drainage branch pipe 21 and the drainage hole 31, and finally, the collected groundwater is uniformly drained to the drainage tank at the bottom of the vertical shaft through the vertical drainage blind pipe 3. The waterproof structure in the tunnel lining is improved and then is applied to the vertical shaft, so that the technical problem that the existing water collecting and draining assembly is unreasonable in arrangement is solved. And the structure can keep a drier working environment in the vertical shaft.

The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.

Claims (4)

1. The utility model provides a drainage system is prevented to shaft combined type, includes vertical drain pipe and a plurality of layers of circumferential direction water drainage tank that set up from top to bottom, its characterized in that, circumferential direction water drainage tank includes interior circumferential direction water drainage tank and outer circumferential direction water drainage tank, interior circumferential direction water drainage tank and outer circumferential direction water drainage tank set up the interior outer loop of the annular waterproof board at the shaft respectively, vertical drain pipe is linked together with the tank bottom of interior circumferential direction water drainage tank, outer circumferential direction water drainage tank.

2. The shaft composite type water prevention and drainage system according to claim 1, wherein central axes of the inner annular water drainage groove and the outer annular water drainage groove are overlapped, and the horizontal planes of the inner annular water drainage groove and the outer annular water drainage groove are arranged up and down.

3. The shaft composite type water-proof and drainage system as claimed in claim 1, wherein the central axes of the inner annular drainage groove and the outer annular drainage groove form an included angle of 20-30 degrees with the vertical direction.

4. The vertical shaft composite type waterproof and drainage system according to claim 3, wherein a plurality of vertical drainage pipes are arranged, the vertical drainage pipes are fixed in the inner annular drainage groove, the plurality of vertical drainage pipes are uniformly distributed along the circumferential direction of the inner annular drainage groove, and drainage holes are formed at the positions where the vertical drainage pipes are contacted with the bottom of the inner annular drainage groove; and an inclined drainage branch pipe which is obliquely communicated with the vertical drainage pipe is arranged at the bottom of the outer annular drainage groove.

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