CN215669614U - Slope underground water drainage system - Google Patents

Abstract

The utility model discloses a slope underground water drainage system which comprises a plurality of horizontal water collection pipes and longitudinal main drainage pipes, wherein the plurality of horizontal water collection pipes are arrayed between two adjacent longitudinal main drainage pipes, each horizontal water collection pipe is connected with a plurality of drainage pipes, each drainage pipe comprises an inner layer pipe and an outer layer pipe, a filter screen is arranged between the inner layer pipe and the outer layer pipe, the outer layer pipe and the inner layer pipe are respectively provided with a drainage hole, and the drainage holes in the inner layer pipe and the drainage holes in the outer layer pipe are arranged in a staggered mode. The utility model operates simultaneously through a plurality of pipelines, and has better drainage effect; the drainage pipeline connected in the system is simple and convenient to check and replace, is not easy to block, and prolongs the service life of the pipeline; the slope surface can be provided with a plurality of horizontal water collecting pipes, each horizontal water collecting pipe can be connected with a plurality of water discharging pipes inserted into the slope surface, and water in the horizontal water collecting pipes finally converges into the longitudinal main water discharging pipe for concentrated discharging, so that the occurrence of a secondary infiltration condition is avoided; the construction is simple, the price of the used material is low, and the cost is economical and practical.

Description

Slope underground water drainage system

Technical Field

The utility model relates to a drainage system, in particular to a side slope underground water drainage system.

Background

The generation and development of landslide are closely related to the hydrogeological conditions of the slope, and when a slope is composed of easily-slippery stratum or loose rock soil and has hydrogeological structure for preserving underground water but poor drainage, the slope can generate new landslide or even slide for many times. Therefore, surface water is drained as much as possible in landslide remediation work, underground water is dredged, and the slope is stabilized. At present, the slope underground water drainage method mainly comprises 3 types of horizontal drainage holes, siphon drainage holes and underground drainage holes, wherein the siphon drainage holes need to maintain the negative pressure condition at the top of a siphon pipe, and the selection of drilling positions is complex; the underground drainage hole has the highest drainage efficiency, but the construction period is long and the cost is high; the horizontal drainage holes are easy to block the pipe wall holes under the long-term mechanical, biological and chemical actions of the stratum environment, the drainage capacity is gradually reduced, the dredging is difficult, the water is discharged more when the horizontal drainage holes are generally repaired, the water is discharged less after five to six years along with the time, and even no water is discharged, so that the potential safety hazard is brought to the side slope.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a slope underground water drainage system to solve the problems of complex construction, easy blockage, difficult dredging and the like of the traditional drainage method.

The technical scheme is as follows: the utility model comprises a plurality of horizontal water collecting pipes and longitudinal main water draining pipes, wherein the plurality of horizontal water collecting pipes are arrayed between two adjacent longitudinal main water draining pipes, each horizontal water collecting pipe is connected with a plurality of water draining pipes, the water draining pipes on two adjacent horizontal water collecting pipes are arranged in a staggered mode, each water draining pipe comprises an inner layer pipe and an outer layer pipe, the outer layer pipe is fixed in soil, a filter screen is arranged between the inner layer pipe and the outer layer pipe, the outer layer pipe and the inner layer pipe are both provided with water draining holes, and the water draining holes on the inner layer pipe and the water draining holes on the outer layer pipe are arranged in a staggered mode.

The drain pipe is obliquely arranged, so that drainage is facilitated.

The drain pipe adopts PVC pipe, including inlayer PVC pipe and outer PVC pipe.

Radial drain holes are arranged on the outer layer PVC pipe at intervals.

Axial drain holes are arranged on the inner layer PVC pipe at intervals.

The lower parts of the inner layer PVC pipe and the outer layer PVC pipe are not provided with drain holes so as to facilitate drainage of the drain pipes.

The water discharge pipe is connected with the horizontal water collecting pipe through a reducing three-way pipe.

The reducing three-way pipe is provided with pipe hoops at the joints with the drain pipe and the horizontal water collecting pipe, so that the pipe hoops are convenient to replace.

The longitudinal main drainage pipe is provided with a plurality of telescopic joints, so that the main drainage pipe is prevented from being broken by slope deformation, and the horizontal water collecting pipe is convenient to connect.

The water draining pipe is inserted into the slope body, the end, extending into the slope body, of the pipe end is sealed with an end cover, and the end cover is provided with a plurality of small holes to prevent the water draining pipe from being blocked.

Has the advantages that: the utility model operates simultaneously through a plurality of pipelines, and has better drainage effect; the drainage pipeline connected in the system is simple and convenient to check and replace, is not easy to block, and prolongs the service life of the pipeline; the slope surface can be provided with a plurality of horizontal water collecting pipes, each horizontal water collecting pipe can be connected with a plurality of water discharging pipes inserted into the slope surface, and water in the horizontal water collecting pipes finally converges into the longitudinal main water discharging pipe for concentrated discharging, so that the occurrence of a secondary infiltration condition is avoided; the construction is simple, the price of the used material is low, and the cost is economical and practical.

Drawings

FIG. 1 is a view of the drain arrangement of the present invention;

FIG. 2 is a cross-sectional view of a PVC pipe of the present invention;

FIG. 3 is a schematic view of an outer PVC pipe of the present invention;

FIG. 4 is a schematic view of an inner PVC pipe of the present invention;

FIG. 5 is a schematic structural diagram of the reducing tee pipe of the utility model.

Detailed Description

The utility model will be further explained with reference to the drawings.

As shown in fig. 1 to 5, the present invention includes a plurality of horizontal water collecting pipes 9 and longitudinal main water discharging pipes 8 arranged in parallel, a plurality of horizontal water collecting pipes 9 are arrayed between two adjacent longitudinal main water discharging pipes 8, each horizontal water collecting pipe 9 is connected with a plurality of PVC water discharging pipes 7, the PVC water discharging pipes 7 are arranged in an inclined manner, and the PVC water discharging pipes 7 on two adjacent horizontal water collecting pipes 9 are arranged in a staggered manner. Each PVC drain pipe 7 and each horizontal water collecting pipe 9 are connected with each other through a reducing three-way pipe, and as shown in fig. 5, pipe hoops 5 are arranged at the joints of the reducing three-way pipes, the PVC drain pipes 7 and the horizontal water collecting pipes 9.

As shown in fig. 2, the PVC drain pipe 7 is of a hollow structure and comprises an inner layer PVC pipe 1 and an outer layer PVC pipe 3, wherein the outer layer PVC pipe 3 is fixed in soil, and a layer of filter screen 2 is arranged between the outer layer PVC pipe 3 and the inner layer PVC pipe 1. As shown in fig. 3, the outer layer PVC pipe 3 is uniformly provided with a plurality of radial strip-shaped drainage holes, and the radial strip-shaped drainage holes are properly spaced at a certain distance according to the pipe diameter to prevent breakage. As shown in fig. 4, a plurality of axial strip-shaped drainage holes are uniformly arranged on the inner layer PVC pipe 1, and the axial drainage holes and the radial drainage holes are staggered to prevent clogging. The inner layer PVC pipe 1 and the third part of the lower part of the outer layer PVC pipe 3 are not provided with drain holes so that the drain pipes can drain water.

And drilling holes cut to a water-bearing layer are arranged on the side slope, the drilling holes are arranged to form a certain inclined included angle, and the included angle and the aperture are determined according to the soil water content, local rainfall conditions and actual drainage requirements. Be equipped with the PVC drain pipe 7 that slightly is big in relative drainage pipe aperture in the drilling, PVC drain pipe 7 interpolation is internal in the slope, and the pipe end that stretches into the slope internal portion seals has end cover 4, is equipped with a plurality of apertures on the end cover 4, is used for permeating water, filters soil stone simultaneously, prevents that the drain pipe from blockking up. And 2-3 rows of main drainage pipes are longitudinally arranged and are connected with the horizontal water collecting pipe 9. Each PVC drain pipe 7 and each horizontal water collecting pipe 9 are connected with each other through a reducing three-way pipe, and pipe hoops 5 are arranged at the joints of the reducing three-way pipes, the PVC drain pipes 7 and the horizontal water collecting pipes 9, so that the PVC drain pipes are convenient to replace. The longitudinal main drainage pipe 8 is provided with a plurality of expansion joints 6, so that the main drainage pipe is prevented from being broken by slope deformation, and the longitudinal main drainage pipe 8 is convenient to connect with the horizontal water collecting pipe 9.

When the PVC drain pipe 7 pipeline in the slope becomes silted up and blocks up and needs to be changed, can follow ferrule 5 and relieve being connected of horizontal collector pipe 9 and PVC drain pipe 7, take out inlayer PVC pipe 1 and filter screen 2 in the PVC drain pipe 7 pipeline, according to particular case, select measures such as change or washing to guarantee that the pipeline uses unobstructed, improve pipeline use durability.

The outer layer PVC pipe 3 is fixed in soil to prevent soil collapse during replacement, the joint of the drainage pipeline is connected by the pipe hoop 5, so that the inner layer drainage pipeline is convenient to replace and clean during silting up, the pipe is repeatedly used, the durability of the pipeline is improved, and the economic benefit is improved.

Claims (10)

1. The utility model provides a slope groundwater drainage system, its characterized in that includes many horizontal collector pipes (9) and vertical main drain pipe (8), and the array has many horizontal collector pipes (9) between two adjacent vertical main drain pipe (8), and every horizontal collector pipe (9) all is connected with a plurality of drain pipes, the drain pipe staggered arrangement on two adjacent horizontal collector pipes (9), the drain pipe include inlayer pipe and outer layer pipe, wherein, outer layer pipe be fixed in soil, inlayer pipe and outer layer pipe between be equipped with filter screen (2), outer layer pipe and inlayer pipe on all be equipped with the wash port, wash port on the inlayer pipe and the wash port staggered arrangement on the outer layer pipe.

2. A slope groundwater drainage system as claimed in claim 1, wherein the drainage pipe is inclined.

3. A slope groundwater drainage system according to claim 1 or claim 2, wherein the drainage pipe is a PVC pipe comprising an inner PVC pipe (1) and an outer PVC pipe (3).

4. A slope groundwater drainage system according to claim 3, wherein the outer PVC pipe (3) is provided with radial drainage holes at intervals.

5. A slope groundwater drainage system according to claim 3, wherein the inner PVC pipe (1) is provided with axial drainage holes at intervals.

6. A slope groundwater drainage system according to claim 3, wherein the lower parts of the inner layer PVC pipe (1) and the outer layer PVC pipe (3) are not provided with drainage holes.

7. A slope groundwater drainage system according to claim 1, wherein the drainage pipe is connected with the horizontal water collecting pipe (9) by a reducing tee.

8. A slope groundwater drainage system according to claim 7, wherein the joints of the reducing tee pipe, the drainage pipe and the horizontal water collecting pipe (9) are provided with pipe hoops (5).

9. A slope groundwater drainage system according to claim 1, wherein a plurality of expansion joints (6) are provided on the longitudinal main drainage pipe (8).

10. A slope groundwater drainage system according to claim 1, wherein the drainage pipe is inserted into the slope body, an end cap (4) is sealed at the end of the pipe extending into the slope body, and a plurality of small holes are arranged on the end cap (4).

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