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Dynamic consolidation and drainage construction method for mucky soil

A muddy soil and construction method technology, applied in soil protection, infrastructure engineering, construction, etc., can solve problems such as long construction period, immature dynamic compaction drainage technology, and high water content in muddy soil

Inactive Publication Date: 2015-12-23
SICHUAN JIUDINGZHIYUAN INTPROP OPERATIONS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The silty soil has a high water content and is soft, and heavy machinery cannot construct in it. The existing drainage technology is mainly to fill the entire construction site with drainage boards, and then pile up earth and rocks. The construction period is long and the cost is high. Existing The dynamic compaction drainage technology is not mature, and the application encounters many difficulties

Method used

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  • Dynamic consolidation and drainage construction method for mucky soil
  • Dynamic consolidation and drainage construction method for mucky soil
  • Dynamic consolidation and drainage construction method for mucky soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A construction method for silty soil dynamic compaction drainage, comprising the following steps:

[0029] 1) Determine the dynamic compaction point of the construction area;

[0030] 2) Initial drainage of the ground surface in the construction area;

[0031] 3) Lay a sand cushion on the surface of the construction area;

[0032] 4) Install the drainage board;

[0033] 5) Lay another layer of construction channels on the sand cushion above the dynamic compaction point, and the area between adjacent construction channels constitutes a drainage channel;

[0034] 6) Install vacuum drainage equipment in the drainage channel;

[0035] 7) Carry out dynamic compaction construction at the dynamic compaction point of the construction channel according to the drawings;

[0036] 8) After the dynamic compaction construction is completed, the drainage equipment is withdrawn, and the drainage channel area is reinforced.

[0037] In this embodiment, if the high-intensity compact...

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Abstract

The invention discloses a dynamic consolidation and drainage construction method for mucky soil. The dynamic consolidation and drainage construction method for mucky soil comprises the steps that a dynamic consolidation point of a construction area is determined; a sand cushion layer is laid; a layer of construction channels is laid on the sand cushion layer on the dynamic consolidation point; the area between every two adjacent construction channels forms a drainage channel; sealing film covers the drainage channels; vacuum drainage is conducted; dynamic consolidation construction and other steps are conducted on the dynamic consolidation point of the construction channel according to a drawing, so that drainage consolidation of the mucky soil is greatly accelerated; after drainage is completed, the drainage channels are reinforced again, and considerable bearing force is achieved. According to the scheme, the method has the characteristics that positive pore water pressure is generated in a soil body through the dynamic consolidation construction, vacuum is formed near the earth surface through vacuum drainage to generate negative pressure, water in the mucky soil is rapidly and thoroughly drained under the combined action of dynamic consolidation construction and vacuum drainage, and the consolidation speed is increased.

Description

technical field [0001] The invention relates to building construction technology, in particular to a drainage method for dynamic compaction construction on silt land. Background technique [0002] The silty soil has a high water content and is soft, and heavy machinery cannot construct in it. The existing drainage technology is mainly to fill the entire construction site with drainage boards, and then pile up earth and rocks. The construction period is long and the cost is high. Existing The current dynamic compaction drainage technology is not mature, and many difficulties have been encountered in its application. [0003] Therefore, how to solve the above technical problems has become the direction of efforts of those skilled in the art. Contents of the invention [0004] The object of the invention is to: provide a kind of construction method, realize by following technical scheme: [0005] A construction method for silty soil dynamic compaction drainage, comprising t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/10E02D3/046
Inventor 汪崇营
Owner SICHUAN JIUDINGZHIYUAN INTPROP OPERATIONS CO LTD
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