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Construction method of solidified soil pile

A construction method and technology for solidifying soil, applied in soil protection, sheet pile wall, foundation structure engineering, etc., can solve the problems of low strength of solidified soil of pile body, low bearing capacity of pile and soil, etc.

Active Publication Date: 2018-08-10
BEIJING ZHONGYAN DADI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a construction method of a solidified soil pile, which solves the problems in the prior art that the strength of the solidified soil of the pile body of the solidified soil pile is not high and the bearing capacity of the pile soil is low, and realizes greatly improving the bearing capacity of the solidified soil pile. Propose a new construction method of solidified soil pile

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  • Construction method of solidified soil pile
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Embodiment Construction

[0024] figure 1 It is a schematic flow chart of an embodiment of the construction method of the solidified soil pile of the present invention, figure 2 It is a schematic diagram of the structure of the restrained solidified soil pile of the present invention. like figure 1 and figure 2 As shown, the construction method of the solidified soil pile of the present invention may comprise:

[0025] S1. A pile hole 1 is arranged in the foundation to be constructed and a restraint device 2 is arranged in the pile hole 1;

[0026] S2. Fill in the restraining device 2 with the solidified soil mixture formed by mixing the soil material and the solidifying agent comprising at least a cementitious component and an expansive component; and

[0027] S3. The solidified soil mixture 3 in the restraint device 2 is compacted to form a solidified soil pile.

[0028] Specifically, the pile hole 1 can be provided on the polluted foundation in a known manner, for example, a long auger drilli...

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Abstract

The invention provides a construction method for stabilized soil piles. The construction method comprises the following steps of arranging pile holes in a foundation to be constructed, and arranging restraining devices in the pile holes; filling the restraining devices with stabilized soil mixtures formed by blending a stabilizing agent with soil materials; and sealing the stabilized soil mixtures in the restraining devices to form the stabilized soil piles. By adopting the construction method, the problems that the strength of pile body stabilized soil of the stabilized soil piles is not high and the bearing capacity of pile soil is low are solved, and the increase of the strength of the stabilized soil and the improvement on the bearing capacity of the stabilized soil piles are realized; and the simplicity in operation is realized and the cost is reduced.

Description

technical field [0001] The invention relates to the technical field of foundation treatment, in particular to a construction method of a solidified soil pile. Background technique [0002] It is one of the important methods to strengthen the foundation by using the solidifying agent to mix with the foundation soil evenly to solidify it into solidified soil with a certain strength. There are various existing technologies that can use curing agent to solidify soil and make solidified piles, such as deep stirring method, powder spraying pile method, high-pressure rotary spraying method and so on. [0003] According to the existing research results, if the curing agent contains not only cementing components but also swelling components, the expansive hydrates produced by the curing agent can fill the pores in the cured soil, thereby greatly improving the strength of the cured soil. However, expansion can also destroy the structure of the solidified soil. Therefore, it is diffic...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D3/08E02D5/38E02D5/46
CPCE02D3/08E02D5/38E02D5/46
Inventor 吴帅帅王立建柳建国吴剑波黄新
Owner BEIJING ZHONGYAN DADI TECH CO LTD