Structure and construction method for temporarily reinforcing soft soil foundation

A soft soil foundation, temporary technology, applied in the direction of basic structure engineering, soil protection, roads, etc., can solve the problems of long construction period, high engineering cost, tight construction period of soft soil foundation, etc., and achieve short construction period and engineering cost. Low, solve the effect of tight construction period

Inactive Publication Date: 2013-04-24
CHINA CONSTR SIXTH ENG DIV CORP
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Problems solved by technology

[0002] Soft soil foundations, especially silt soils, have very low foundation bearing capacity due to their high water content, large pores, and high soil compressibility. At present, replacement and filling methods, preloading methods and various replacement methods are often used in projects for soft soil foundations. Treatment, replacement method and various repl

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  • Structure and construction method for temporarily reinforcing soft soil foundation
  • Structure and construction method for temporarily reinforcing soft soil foundation
  • Structure and construction method for temporarily reinforcing soft soil foundation

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Embodiment Construction

[0020] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples, and detailed descriptions are as follows with accompanying drawings:

[0021] See Figure 1 ~ Figure 3 , A structure for temporarily strengthening soft soil foundations, comprising two to five layers of steel wire mesh 1, a graded gravel layer 2 is laid between two adjacent layers of the steel wire mesh 1, and the two adjacent layers of steel wire The circumference of the net 1 is connected by vertical iron wires.

[0022] A connecting node 3 is provided at the intersection between the transverse steel bars and the longitudinal steel bars forming the steel wire mesh 1. The minimum mesh size of the steel wire mesh is not less than 40×40 mm; the minimum particle size of the graded crushed stone forming the graded crushed stone layer 2 is greater than 40 mm.

[0023] Each layer of steel mesh 1 is formed by connecting several steel mesh piec...

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Abstract

The invention discloses a structure used for temporarily reinforcing a soft soil foundation. The structure comprises two to five layers of steel wire nets. A graded crushed stone layer is paved between each of two adjacent layers of the steel wire nets. The peripheries of adjacent two layers of the steel wire nets are connected through vertically connected iron wires. The invention also discloses a construction method of the structure. According to the invention, the layered-distributed structure with the graded crushed stones wrapped by using the steel wire nets is used for temporarily reinforcing the soft soil foundation, such that construction cost is low, and construction period is short. Therefore, a soft soil foundation construction tight schedule problem can be well solved. The structure and the construction method are suitable for the construction of various soft soil area temporary roadbeds and working platform foundations.

Description

Technical field [0001] The invention relates to a construction structure and a construction method, in particular to a structure and a construction method for temporarily strengthening soft soil foundations. Background technique [0002] Soft soil foundation, especially silt soil, has a very low bearing capacity due to high water content, large pores, and high soil compression. At present, replacement methods, pre-compression methods and various replacement methods are often used in the construction of soft soil foundations. The construction cost of the treatment, replacement method and various replacement methods is very high, and the construction period is longer, and the construction period of the pre-compression method is longer. Some temporary roadbeds and working platform foundations have very high requirements for the construction period. In the project, there is no method that can better solve the tight construction period of soft soil foundation. Summary of the inventio...

Claims

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Application Information

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IPC IPC(8): E01C3/04E02D3/00E02D3/08
Inventor 柴艳飞王存贵余流张云富陆海英黄克起方杰
Owner CHINA CONSTR SIXTH ENG DIV CORP
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