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Marine facies soft soil foundation structure and processing method thereof

A technology of soft soil foundation and treatment method, which is applied in basic structure engineering, soil protection, construction, etc., can solve the problems of poor economic benefit, single treatment method, poor control ratio of uneven settlement, etc., and achieve the effect of reducing project cost.

Active Publication Date: 2014-11-19
CCFEB CIVIL ENG +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] (1) The treatment method for the same project is relatively simple;
[0005] (2) The economic benefits are relatively poor;
[0006] (3) Uneven settlement control is relatively poor

Method used

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  • Marine facies soft soil foundation structure and processing method thereof
  • Marine facies soft soil foundation structure and processing method thereof

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Embodiment Construction

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] The purpose of the present invention is to overcome the defects in the prior art and provide a deep marine soft soil foundation treatment method, which is practical and can ensure that the strength and stability of the treated foundation's bearing capacity meet the safety requirements of the project.

[0031] see figure 1 and figure 2 , in an embodiment of the present invention, a marine soft soil foundation structure and a processing method thereof, the marine soft ...

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Abstract

The invention discloses a marine facies soft soil foundation structure and a processing method thereof. The marine facies soft soil foundation structure comprises a CFG pile, a cement mixing pile and a mattress layer. The CFG pile and the cement mixing pile are arranged in a marine facies soft soil foundation. The mattress layer is arranged on the upper portion of the CFG pile and the cement mixing pile in a paving mode. A double-way geogrid layer is arranged in a joint section range for transition joining between the CFG pile and the cement stirring pile in a paving mode. The processing method of the marine facies soft soil foundation structure comprises the steps of field engineering, pile position staking out in survey, pile body construction, soil clearing, pile head processing and mattress layer paving. According to different geological conditions of various road sections, bearing requirements and construction conditions of a project, the CFG pile and the cement mixing pile are used for processing the deep marine facies soft soil foundation together, the requirement for foundation bearing force is met, project manufacturing cost is lowered, and meanwhile the control requirements on differential settlement of the project are met.

Description

technical field [0001] The invention relates to the technical field of soft soil foundation treatment of geotechnical engineering, in particular to a structure of coastal thick or ultra-thick and long and narrow soft soil foundation and a treatment method thereof. Background technique [0002] my country has a vast territory, complex topography and geological conditions, and soft soil foundations are widely distributed. Usually, when roads are built in soft soil subgrade areas, there are a series of practical problems such as poor overall stability of the subgrade and large settlement deformation in the later period, which seriously affect the construction quality of the road and the normal use of the later period. [0003] Deficiencies of the existing soft foundation treatment technology: [0004] (1) The treatment method for the same project is relatively simple; [0005] (2) The economic benefits are relatively poor; [0006] (3) The uneven settlement control is relati...

Claims

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Application Information

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IPC IPC(8): E02D27/12E02D3/00
Inventor 谭博王述红刘小高徐海洋刘振华王存根
Owner CCFEB CIVIL ENG
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