Land settlement control and reinforcing pile construction method for soft foundation

A technology of soft soil foundation and construction method, applied in basic structure engineering, construction and other directions, can solve the problems of building inclination, adverse social stability, affecting the safety of the surrounding environment of the building, etc., and achieve the effect of low noise and simple and fast construction.

Active Publication Date: 2016-12-21
SOUTHWESTERN ARCHITECTURAL DESIGN INST
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AI Technical Summary

Problems solved by technology

When the uneven settlement continues to develop close to the bearing range of the superstructure, it will cause the buildings built on it to be tilted and other deformations, which will affect the safety of the existing buildings and the safety of the surrounding environment, and bring unfavorable factors to social stability.

Method used

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  • Land settlement control and reinforcing pile construction method for soft foundation
  • Land settlement control and reinforcing pile construction method for soft foundation

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:

[0026] Such as figure 1 and figure 2 Shown, the construction method of the soft soil foundation controlled sinking reinforcement pile, it comprises the following steps:

[0027] S1. Fully review and grasp the building deformation and foundation settlement conditions, deploy a monitoring system, and adopt information-based construction control for key parts that may affect the existing structure during the construction process;

[0028] S2, opening holes on the existing foundation in the soft soil foundation;

[0029] S3. Apply the reaction force anchor bars required for sinking piles near the existing foundation openings;

[0030] S4. According to the size of uneven settlement, some long piles are constructed in areas with large settlement, and the piles are initially locked to share part of the ...

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Abstract

The invention discloses a land settlement control and reinforcing pile construction method for soft foundation comprising following steps: S1. a deformation monitoring system for the existing structure and foundation is laid out to perform overall process information construction; S2. holes are excavated or the preserved pile holes in the existing foundation are enlarged on the base of existing buildings of the soft foundation according to a pile layout design; S3. pile sinking counterforce anchor bars are constructed around existing foundation opening or preserved hole; S4. according to the magnitude of differential settlement, long piles are constructed on foundations having large settlement, and bearing is shared gradually by gradual pile locking to control the expansion of settlement and reduce additional settlement; S5. short piles are constructed on foundations having small settlement, additional settlement is generated by means of the disturbance effect of pile-sinking to achieve forced landing and at the same time the differential settlement is reduced. The beneficial effects of the method are: the soft foundation settlement deformation is effectively controlled, basic differential settlement is effectively reduced, the method is not affected by the construction space limitation, and the work efficiency and settlement control effect are substantially improved.

Description

technical field [0001] The invention relates to a construction method of a settlement-controlled reinforcement pile for a soft soil foundation. Background technique [0002] When building a building on a soft soil foundation, affected by the size and distribution of the upper load, the surrounding buildings (structures), the external natural environment and other factors, it will cause uneven settlement of the foundation on the soft soil foundation to a certain extent. . When the uneven settlement continues to develop close to the bearing range of the superstructure, it will cause the buildings built on it to tilt and other deformations, thereby affecting the safety of existing buildings and the safety of the surrounding environment, and bringing unfavorable factors to social stability. Contents of the invention [0003] The purpose of the present invention is to solve the above problems and provide a construction method with simple and convenient construction technology,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D35/00
CPCE02D35/00
Inventor 康景文周其健邓正宇莫振林王君余力彭然祖德权王海洋赵政伟
Owner SOUTHWESTERN ARCHITECTURAL DESIGN INST
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