Construction method for isolating underground pollution

A construction method and a technology for polluted areas, which are applied in the construction field of isolating underground pollution, can solve problems such as unfavorable environmental protection and secondary pollution, and achieve cost saving, convenient grouting, and good anti-deformation effects

Active Publication Date: 2016-06-22
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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  • Construction method for isolating underground pollution
  • Construction method for isolating underground pollution
  • Construction method for isolating underground pollution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A construction method for isolating underground pollution, including the steps of:

[0040] 1), such as figure 1 As shown, a groove 10 is hollowed out around the contaminated area, said hollow 10 surrounding the contaminated area.

[0041] 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.

[0042] 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.

[0043] 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 novel connection joints for underground anti-seepage. The novel connection joint for underground anti-seepage comprises metal guide post 5 and connection post 2. Connecting column 2 is cylindrical, such as figure 1 As shown,...

Embodiment 2

[0048] A construction method for isolating underground pollution, including the steps of:

[0049] 1), such as figure 1 As shown, a groove 10 is hollowed out around the contaminated area, said hollow 10 surrounding the contaminated area.

[0050] 2) As described in Embodiment 1, lower the underground anti-seepage device into the hollow tank 10 . The underground anti-seepage device is connected as a closed ring.

[0051] 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.

[0052] Such as Figure 6 , Figure 7 As shown, the underground anti-seepage device includes a plurality of anti-seepage membranes or permeable membranes 1 and a plurality of novel connection joints for underground anti-seepage. The novel connection joint for underground anti-seepage comprises metal guide post 5 and connection post 2. Connecting column 2 is cylindrical, such as Figure 4 As shown, its cross-...

Embodiment 3

[0056] A construction method for isolating underground pollution, including the steps of:

[0057] 1), such as figure 1 As shown, a groove 10 is hollowed out around the contaminated area, said hollow 10 surrounding the contaminated area.

[0058] 2) As described in Embodiment 1, lower the underground anti-seepage device into the hollow tank 10 . The underground anti-seepage device is connected as a closed ring.

[0059] 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.

[0060] Such as Figure 8 , Figure 9 As shown, the underground anti-seepage device includes a plurality of anti-seepage membranes or permeable membranes 1 and a plurality of capsule-shaped underground anti-seepage connection joints. The capsule-shaped underground anti-seepage connection joint includes a connection column 2 . The cross section of the connecting column 2 is in the shape of a capsule. Take two...

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Abstract

The invention discloses a construction method for isolating underground pollution. The construction method is characterized by comprising the following steps: (1) digging an empty groove around a polluted region; (2) lowering an underground impermeable device into the empty groove, wherein the underground impermeable device comprises impermeable membranes or permeable membranes and connecting pillars, and the connecting pillars are used for connecting at least two impermeable membranes or permeable membranes; (3) backfilling the empty groove to fix the underground impermeable device in the empty groove. According to the construction method for isolating the underground pollution, disclosed by the invention, a method for isolating the polluted region is realized by utilizing the underground impermeable device which is simple in structure and convenient to assemble; polluted water can be isolated, and the phenomenon that area of polluted is enlarged due to the fact that the polluted water permeates into peripheral regions is avoided.

Description

technical field [0001] The invention relates to a construction method for isolating underground pollution. 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 construction method for isolating underground pollution is characterized in that it comprises the steps of: [0006] 1) Empty grooves around...

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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