CN210857235U

CN210857235U - A drainage device that is used for series connection sump pit that landslide was administered

Info

Publication number: CN210857235U
Application number: CN201921072460.XU
Authority: CN
Inventors: 仝德富; 苏爱军
Original assignee: China University of Geosciences
Current assignee: China University of Geosciences
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-06-26
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a drainage device that is used for series connection sump pit that landslide was administered, include: a plurality of rows of water collecting wells, wherein each row of water collecting wells is arranged from top to bottom along the slope direction; and one drainage pipe is connected to the bottom of one row of water collecting wells, and one drainage pipe collects the underground water collected by one row of water collecting wells and then discharges the underground water. The utility model discloses a mode of series connection sump pit has the beneficial effect of the groundwater that the sump pit of discharging fast was collected.

Description

A drainage device that is used for series connection sump pit that landslide was administered

Technical Field

The utility model relates to a field is administered to landslide. More specifically, the utility model relates to a drainage device of series connection sump pit for landslide is administered.

Background

The 'control of water first in slope' in the treatment of landslide has become a widely accepted statement, but the existing water control measures mainly stay on the surface of the earth, the drainage measures for underground water are less and the effect is not obvious, according to statistics, 95% of landslides mainly occur after rainfall, rainwater infiltrates and underground water level rises after rainfall, the stability of the landslide is greatly reduced, meanwhile, in some landslides rich in water and uneven in underground water, the water content is extremely uneven, the stability difference is large, the stability of the whole landslide is very unfavorable, the landslide needs to be treated, the underground water in the landslide is removed, and the economic loss and the potential safety hazard caused by the sliding of the landslide are avoided.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

It is still another object of the present invention to provide a drainage system for a series sump for landslide control, and a drainage method for a series sump for landslide control, having the advantageous effect of rapidly collecting and draining groundwater.

In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a drainage device of a series sump for landslide treatment, comprising:

a plurality of rows of water collecting wells, wherein each row of water collecting wells is arranged from top to bottom along the slope direction;

the drainage pipes are arranged along the slope direction of the landslide, one drainage pipe is communicated with the bottom of one row of water collecting wells, and one drainage pipe collects the underground water collected by one row of water collecting wells and then discharges the underground water.

Preferably, the depth of the water collecting well is 1-2 m deep into the bedrock, and the diameter of the water collecting well is 3-5 m.

Preferably, the water collecting well is provided with a cover plate.

Preferably, the water collecting well comprises a plurality of water filtering layers and a plurality of pouring layers which are alternately arranged from top to bottom, the water filtering layers are positioned above the pouring layers, each water filtering layer comprises a first reinforcing mesh, a truss and a second reinforcing mesh which are arranged from inside to outside, and pebbles with different particle sizes are placed in the truss and tamped.

Preferably, the water filtering layer further comprises a plurality of inclined pipes which are circumferentially fixed on the side wall of the water filtering layer and are communicated with the first water inlet holes formed in the water filtering layer.

Preferably, a plurality of second water inlets are formed in the pouring layer.

Preferably, the first reinforcing mesh is 800 meshes.

The utility model discloses at least, include following beneficial effect:

a plurality of rows of water collecting wells and a plurality of drainage pipes are arranged to construct a three-dimensional drainage device, so that the water collecting effect and the drainage effect of the water collecting wells are good;

each water collecting well in each row of water collecting wells is arranged at different elevation positions, so that the drainage pipes connected in series with each row of water collecting wells form a certain height difference, and the drainage pipes automatically pass through the drainage pipes after the water level reaches a certain height;

the plurality of inclined pipes are arranged on the well body of the water collecting well, underground water distributed on other parts of the landslide body is collected into the water collecting well by the inclined pipes and is uniformly discharged, the effect of large-section water collection is achieved, the water content of the landslide body is reduced, and the stability of the landslide body is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic sectional structure view of a drainage device according to one embodiment of the present invention;

fig. 2 is a schematic structural diagram of a water collecting well according to one embodiment of the present invention;

fig. 3 is a schematic diagram of the distribution structure of the water filtering layer and the pouring layer according to one embodiment of the present invention;

fig. 4 is a schematic structural diagram of a water filtration layer according to one embodiment of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

This embodiment provides a drainage device that is used for series connection sump pit of landslide control, includes:

a plurality of rows of water collecting wells 1 are arranged from top to bottom along the slope direction of the landslide, so that the collected underground water can be conveniently discharged by the drain pipes 2 connected to the bottom of the water collecting wells 1;

the drainage pipes 2 are arranged along the slope direction of the landslide, one drainage pipe 2 is communicated with the bottoms of the rows of the water collecting wells 1, one drainage pipe 2 collects the underground water collected by the rows of the water collecting wells 1 and then discharges the underground water, the water in each row of the water collecting wells 1 is uniformly discharged, the underground water in the water collecting wells 1 is prevented from being retained, and the effect of quickly discharging the underground water in the water collecting wells 1 can be achieved;

in the technical scheme, a landslide body is surveyed, a groundwater enrichment area is selected to be provided with a plurality of rows of water collecting wells 1, each row of water collecting wells 1 are arranged from top to bottom along the slope direction of a landslide, each water collecting well 1 is arranged in an area prone to water accumulation, more water in the landslide body is collected into each water collecting well 1 conveniently, a plurality of drain pipes 2 are arranged according to the positions of the plurality of rows of water collecting wells 1, a placement pipeline of the drain pipes 2 is drilled below the water collecting wells 1, the diameter of each drain pipe 2 is smaller than that of each water collecting well 1, the bottoms of the rows of water collecting wells 1 are communicated in series through one drain pipe 2, the water collecting wells 1 collect groundwater located around the water collecting wells, and the groundwater in the rows of water collecting wells 1 is collected into the.

In another technical scheme, the depth of the water collecting well 1 is 1-2 m deep into the bedrock 3, underground water close to the surface layer in a landslide is collected, the stability of the part, easy to landslide, of the landslide body is improved, the diameter of the water collecting well 1 is 3-5 m, and water around the water collecting well 1 is collected.

In another technical scheme, the cover plate 4 is arranged on the water collecting well 1, so that the influence of other substances on the surface of the landslide surface on the water collecting well 1 on the water collecting capacity of the water collecting well 1 is avoided.

In another technical scheme, the water collecting well 1 comprises a plurality of water filtering layers 11 and a plurality of pouring layers 12 which are alternately arranged from top to bottom, the water filtering layer 11 is positioned above the casting layer 12, the water filtering layer 11 comprises a first reinforcing mesh 111, a truss 112 and a second reinforcing mesh 113 which are arranged from inside to outside, pebbles with different grain diameters are placed on the outer layer of the well body of the truss 112 and tamped, the pebbles have the functions of fixing and filtering water, the truss 112 plays a structural supporting role, the main anti-deformation supporting force of the water collecting well 1 is borne by the truss 2 and compacted pebbles with different particle sizes, the first reinforcing mesh 111 and the second reinforcing mesh 113 play a fixing role and play a filtering role at the same time, the heights of the water filtering layer 11 and the pouring layer 12 are determined according to an easily-enriched underground water area of a landslide body, and the water filtering layer 11 is arranged in an area with more underground water, so that a better water collecting effect is achieved.

In another technical scheme, the water filtering layer 11 further comprises a plurality of inclined pipes 5, wherein the plurality of inclined pipes 5 are circumferentially fixed on the side wall of the water filtering layer 11 and are communicated with first water inlet holes formed in the water filtering layer 11, the inclined pipes 5 can contact a region far away from the periphery of the water collecting well 1, can collect landslide weight groundwater except the periphery of the water collecting well 1, further reduce the content of groundwater in a landslide body, improve the stability of the landslide body, and the plurality of inclined pipes 5 are obliquely arranged in an inclined manner at an angle of 0-15 degrees according to the enrichment degree of groundwater in the landslide body and the permeability coefficient of the landslide body.

In another technical scheme, a plurality of second water inlet holes 121 are formed in the pouring layer 12, so that groundwater around the pouring layer 12 can be conveniently collected into the water collecting well 1.

In another embodiment, the first mesh reinforcement 111 is 800 mesh to prevent large foreign particles from entering the water collecting well 1.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. A drainage arrangement for a series sump well for landslide remediation, comprising:

a plurality of rows of water collecting wells (1), wherein each row of water collecting wells (1) is arranged from top to bottom along the slope direction of the landslide;

a plurality of drain pipes (2), drain pipe (2) set up along the landslide incline direction, and a drain pipe (2) and the bottom intercommunication of a sump pit (1), discharge behind the groundwater that a sump pit (1) was collected is colleted in a drain pipe (2).

2. The drainage device of the series water collecting wells for landslide control according to claim 1, wherein the depth of the water collecting well (1) is 1-2 m deep into the bedrock (3), and the diameter of the water collecting well (1) is 3-5 m.

3. The drainage system of a series of collector wells for landslide treatment according to claim 1 wherein the collector well (1) is provided with a cover plate (4).

4. The drainage apparatus of the series-connected water collecting wells for landslide improvement according to claim 1, wherein the water collecting well (1) comprises a plurality of water filtering layers (11) and a plurality of pouring layers (12) which are alternately arranged from top to bottom, the water filtering layers (11) are positioned above the pouring layers (12), the water filtering layers (11) comprise a first reinforcing mesh (111), a truss (112) and a second reinforcing mesh (113) which are arranged from inside to outside, and pebbles with different particle sizes are placed in the truss (112) and tamped.

5. The water drainage system of a tandem collector well for landslide remediation of claim 4 wherein the water filtration layer (11) further comprises: a plurality of is faced upward pipe chute (5), and a plurality of is faced upward pipe chute (5) circumference and is fixed on the lateral wall of drainage layer (11), and with set up be in first inlet opening intercommunication on drainage layer (11).

6. The drainage device of the series-connected water collecting wells for landslide control according to claim 4, wherein the casting layer (12) is provided with a plurality of second water inlet holes (121).

7. The drainage apparatus of the tandem collector well for landslide control of claim 4 wherein the first mesh reinforcement (111) is 800 mesh.