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A temporary drainage method for water-sufficient areas of sandy land

A regional and sandy land technology, applied in the field of temporary drainage in sandy land with abundant water, can solve problems such as adverse effects, large depth, and infiltration of discharged water

Inactive Publication Date: 2014-10-01
CHINA MCC20 GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Because steel, energy, and resource construction projects have a certain amount of demand for water resources during construction and production, general construction projects will choose areas with relatively rich water resources. Due to the geological characteristics of sandy land, the construction of the above-mentioned types of projects Sometimes, there will be a deep underground foundation pit project with a large depth. When this type of project is carried out, drainage construction must be carried out, but there is no special drainage facility for sand drainage, and the discharged water will quickly seep into the sand and flow back to the foundation pit. Drained groundwater can also adversely affect nearby shallow foundation pits

Method used

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Embodiment Construction

[0016] Such as figure 1 , figure 2 Shown, a kind of temporary drainage method of sandy land abundant water area, it comprises drain channel 1, plastic film 2 and water-stop rivet 3; Also comprises the following steps:

[0017] Step 1, excavate the drainage channel 1 according to the design drawings, and set the reservoir 4 linked with the drainage channel 1 at the remote terminal of the drainage channel 1;

[0018] Step 2, laying plastic film 2 inside drainage channel 1, plastic film 2 is laid along the direction of flowing water, each plastic film 2 joint place covers the edge of downstream plastic film 2 with the edge of upstream plastic film 2;

[0019] Step 3, nailing water-stop rivets 3 at the joints of each plastic film 2;

[0020] Step 4, covering sand and soil on the plastic film 2 covered on the embankment of the ditch 1 .

[0021] In the temporary drainage method for the sandy land with abundant water, the plastic film 2 can also be replaced by colored strips of ...

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Abstract

The invention relates to the civil engineering field, especially relating to a temporary drainage method for water-sufficient areas of sandy land. A drainage channel, waterproof films and water stop rivets are adopted in the method. The temporary drainage method also comprises the following four steps. Step one: the drainage channel is dug according to a design drawing, and a reservoir that is connected with the drainage channel is constructed at the far end of the drainage channel. Stop two: the waterproof films are laid in the drainage channel in the water flow direction; at the connecting place of every two films, the edge of the upstream film covers the edge of the downstream film. Step three: the water stop rivets are hammered at the connecting place of every two films; Step four: the films that cover the embankment of the channel are covered with sand. With the design of the invention, for a deep foundation pit project, drained water cannot rapidly permeate back to the construction site through sandy land. After the foundation pit project is finished, backflow of underground water can be ensured after the films are removed, which can protect land quality.

Description

technical field [0001] The invention relates to the field of civil engineering, in particular to a temporary drainage method for sandy land with abundant water. Background technique [0002] Because steel, energy, and resource construction projects have a certain amount of demand for water resources during construction and production, general construction projects will choose areas with relatively rich water resources. Due to the geological characteristics of sandy land, the construction of the above-mentioned types of projects Sometimes, there will be a deep underground foundation pit project with a large depth. When this type of project is carried out, drainage construction must be carried out, but there is no special drainage facility for sand drainage, and the discharged water will quickly seep into the sand and flow back to the foundation pit. The drained groundwater can also adversely affect shallow foundation pits excavated nearby. Contents of the invention [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B5/02
CPCY02A40/22
Inventor 杨前
Owner CHINA MCC20 GRP CORP
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