Building grading jacking deviation rectifying method

A building and jacking technology, which is applied in the direction of construction and infrastructure engineering, etc., can solve the problems of destroying the internal space and internal structure of the building, affecting the integrity and safety of the building, so as to ensure the integrity and safety of the structure , Improve safety and avoid cracking

Pending Publication Date: 2022-05-06
HUANGHUAI UNIV
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing lifting method will destroy the internal space and internal structure of the building, thereby affecting the integrity and safety of the building

Method used

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  • Building grading jacking deviation rectifying method
  • Building grading jacking deviation rectifying method
  • Building grading jacking deviation rectifying method

Examples

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Comparison scheme
Effect test

Embodiment 1

[0040] A method for rectifying deviation in graded jacking of buildings, comprising the following steps:

[0041] (1) Analyze the building that needs deviation correction, and determine the setting position of the building jacking point according to the need for deviation correction. The jacking point is set at the bottom of the foundation 5 directly below the shear wall where the vertical settlement of the building occurs On the wall, it is used to jack up the building foundation 5. As a preferred embodiment of the present invention, the shear wall is a load-bearing exterior wall.

[0042] (2) According to the need to correct the overall load of the building, the center of gravity and the setting position of the jacking point, calculate the maximum jacking force of each jacking point through the principle of leverage; at the same time, analyze and calculate the maximum jacking force required for cracking of the foundation 5 of the building to be corrected , according to the ma...

Embodiment 2

[0049] A method for rectifying deviation in graded jacking of buildings, comprising the following steps:

[0050] (1) Analyze the building that needs deviation correction, and determine the setting position of the building jacking point according to the need for deviation correction. The jacking point is set at the bottom of the foundation 5 directly below the load-bearing outer wall where the vertical settlement of the building occurs On the wall, it is used to jack up the building foundation 5.

[0051] (2) According to the need to correct the overall load of the building, the center of gravity and the setting position of the jacking point, calculate the maximum jacking force of each jacking point through the principle of leverage; at the same time, analyze and calculate the maximum jacking force required for cracking of the foundation 5 of the building to be corrected , according to the maximum jacking force of each jacking point and the maximum jacking force required for c...

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Abstract

The invention relates to the technical field of building deviation rectification engineering, in particular to a building grading jacking deviation rectification method which comprises the steps that (1) a building needing deviation rectification is analyzed, and the position of a building jacking point is determined; (2) determining the optimal jacking force and the maximum jacking height of each jacking point according to the overall load and the gravity center of the building and the setting positions of the jacking points; (3) according to the maximum jacking height of each jacking point and counter force provided by soil body springback, the grading jacking grade number of each jacking point and the jacking height of each grade are calculated; 4) excavating a construction operation pit and an operation surface, and then arranging a jacking system at each jacking point; 5, after the jacking system is arranged, the building foundation is jacked according to the jacking grade number and the jacking height of each grade. According to the method, the foundation on the settlement side of the building is jacked in a grading jacking and grouting mode, the internal space and the overall structure of the building are not damaged, and the structural integrity and safety of the building are guaranteed.

Description

technical field [0001] The invention belongs to the technical field of building deviation rectification engineering, and in particular relates to a method for rectifying deviation of buildings by graded jacking. Background technique [0002] The inclination of buildings caused by uneven foundation settlement often occurs in construction projects, and there are various reasons for uneven foundation settlement. The main reasons are insufficient foundation bearing capacity, serious uneven foundation, and large backfill thickness. And poor treatment, collapsible soil soaked in water and so on. Commonly used methods for building deflection correction in the prior art include the forced landing method, the lifting method (jacking method) and the comprehensive method. The forced landing method refers to taking compulsory measures to increase the settlement of the part with a small settlement in a short time, so that the settlement of the building can reach a balance. The forced l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D35/00
CPCE02D35/005
Inventor 周同和杨艳贾志刚张海军陈秀云侯思强
Owner HUANGHUAI UNIV
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