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Underground anti-seepage construction method

A construction method and anti-seepage membrane technology, which is applied in infrastructure engineering, construction, etc., can solve problems such as unfavorable environmental protection and secondary pollution, and achieve the effects of cost saving, convenient grouting, and good anti-seepage effect

Active Publication Date: 2016-06-15
SHANGHAI YUANFANG GROUNDWORK ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing method of using concrete to build cut-off walls will cause secondary pollution and is not conducive to environmental protection

Method used

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  • Underground anti-seepage construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The underground anti-seepage construction method includes the steps of:

[0039] 1), such as figure 1 As shown, a groove 10 is hollowed out around the contaminated area, said hollow 10 surrounding the contaminated area.

[0040] 2), such as figure 2 As shown, the underground anti-seepage device is lowered into the hollow tank 10. The underground anti-seepage device is connected as a closed ring.

[0041] 3), such as image 3 As shown, sand 11 is used to backfill the hollow groove 10, and the underground anti-seepage device is fixed in the hollow groove 10.

[0042] Such as Figure 4 , Figure 5 As shown, the underground anti-seepage device includes a plurality of anti-seepage membranes or permeable membranes 1 and a plurality of connection joints for underground anti-seepage. The connection joint for underground seepage prevention includes a metal guide post 5 and a connection post 2 . The connecting post 2 has a dovetail groove 21 , and the metal guide post 5 ...

Embodiment 2

[0049] The underground anti-seepage construction method includes the steps of:

[0050] 1), such as figure 1 As shown, a groove 10 is hollowed out around the contaminated area, said hollow 10 surrounding the contaminated area.

[0051] 2) As described in Embodiment 1, lower the underground anti-seepage device into the hollow groove 10 . The underground anti-seepage device is connected as a seal

[0052]closed ring.

[0053] 3) As described in Embodiment 1, use sand 11 to backfill the hollow groove 10, and fix the underground anti-seepage device in the hollow groove 10.

[0054] Such as Figure 6 , Figure 7 As shown, the underground anti-seepage device includes a plurality of anti-seepage membranes or permeable membranes 1 , connecting columns 2 and metal guide columns 5 . The connecting post 2 has a dovetail groove 21 , and the metal guide post 5 is provided with a protruding head 51 . The protruding head 51 and the dovetail groove 21 engage with each other, so that th...

Embodiment 3

[0057] The underground anti-seepage construction method includes the steps of:

[0058] 1), such as figure 1 As shown, a groove 10 is hollowed out around the contaminated area, said hollow 10 surrounding the contaminated area.

[0059] 2) As described in Embodiments 1 and 2, lower the underground anti-seepage device into the cavity 10 . The underground anti-seepage device is connected to

[0060] closed loop.

[0061] 3), as described in Embodiment 1 and 2, use sand 11 to backfill the empty slot 10, and the underground anti-seepage device is fixed in the empty slot

[0062] within 10.

[0063] Such as Figure 8 , Figure 9 As shown, the underground anti-seepage device includes a plurality of anti-seepage membranes or permeable membranes 1 , connecting columns 2 and metal guide columns 5 . The connecting post 2 has a dovetail groove 21 , and the metal guide post 5 is provided with a protruding head 51 . The protruding head 51 and the dovetail groove 21 engage with each ...

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PUM

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Abstract

The invention discloses an underground seepage-proofing construction method which is characterized by comprising the following steps: 1) digging an empty slot around a polluted region; 2) putting an underground seepage-proofing device into the empty slot, wherein the underground seepage-proofing device comprises seepage-proofing films or seepage films and a connection column, and the connection column is used for connecting two or more seepage-proofing films or seepage films; 3) backfilling the empty slot, and fixing the underground seepage-proofing device into the empty slot. According to the underground seepage-proofing construction method disclosed by the invention, the underground seepage-proofing device which is simple in structure and convenient to assemble is used for implementing a method for isolating the polluted region, so that polluted water can be prevented from seeping into the surrounding region, and expansion of pollution is prevented.

Description

technical field [0001] The invention relates to an underground anti-seepage construction method. Background technique [0002] Underground anti-seepage treatment is mainly used to cut off the connection of groundwater, seal groundwater pollution sources in one area, prevent pollution sources from spreading, and continue to pollute clean groundwater. The existing method of pouring concrete into the anti-seepage wall will cause secondary pollution and is not conducive to environmental protection. Contents of the invention [0003] One of the purposes of the present invention is to provide a convenient method for isolating underground pollution in order to overcome the deficiencies of the prior art. [0004] To achieve the above object, the present invention is achieved through the following technical solutions: [0005] The underground anti-seepage construction method is characterized in that it comprises the steps of: [0006] 1) Empty grooves around the contaminated are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D19/12
Inventor 刘忠池梁艳文
Owner SHANGHAI YUANFANG GROUNDWORK ENG
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