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A Method of Calculating the Side Displacement of Arc Ground Connecting Wall

A ground connection wall and lateral displacement technology, applied in complex mathematical operations, instruments, measuring devices, etc., can solve the problem that the curved ground connection wall is not very good, and achieve the effect of accurate lateral displacement

Inactive Publication Date: 2018-12-21
EAST CHINA JIAOTONG UNIVERSITY
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Problems solved by technology

However, at present, there is no very good method for calculating the lateral displacement of the arc-shaped ground connection wall, which is only determined through numerical simulation and on-site monitoring

Method used

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  • A Method of Calculating the Side Displacement of Arc Ground Connecting Wall
  • A Method of Calculating the Side Displacement of Arc Ground Connecting Wall
  • A Method of Calculating the Side Displacement of Arc Ground Connecting Wall

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Embodiment Construction

[0045] The present invention is a method for calculating the side displacement of an arc-shaped connecting wall. The specific implementation is as follows: figure 1 As shown, the steps are as follows:

[0046] Step 1: first simplify the arc-shaped ground wall into a cylindrical shell, and then use the curvilinear coordinate system to specify its coordinate system. Set the direction along the generatrix of the cylindrical shell as the α-axis, and the circumferential direction of the cylindrical shell as the β-axis. The radial direction of the shell is the γ axis, such as figure 2 shown.

[0047] Step 2: According to the classical shell theory, the relationship between the strain and displacement of the arc-shaped ground connection wall is obtained as follows (1-1):

[0048]

[0049] Where: ε α is the line strain along the α direction of each point in the mid-plane; ε β is the line strain along the β direction of each point in the mid-plane; ε αβ is the shear strain of ...

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Abstract

A method for calculating the lateral displacement of an arc-shaped ground connection wall. The method simplifies the arc-shaped ground connection wall into a cylindrical shell, establishes a curved coordinate system, and establishes the mid-plane strain and displacement of the arc-shaped ground connection wall according to the classical shell theory According to Hooke's law to determine the relationship between stress and displacement at any point on the arc-shaped ground wall, and the equilibrium differential equation of any microelement in the arc-shaped ground wall, the arc-shaped ground wall is deduced Balanced differential equations, according to the boundary conditions of the corresponding working conditions, so as to determine the lateral displacement of the arc-shaped connecting wall.

Description

technical field [0001] The invention relates to a method for calculating the side displacement of an arc-shaped connecting wall, which belongs to the technical field of geotechnical engineering applications. Background technique [0002] In foundation pit engineering, due to the advantages of small construction vibration, high wall rigidity, good integrity and fast construction speed, the underground diaphragm wall is widely used in deep foundation pit excavation enclosure structure engineering. However, at present, there is no very good method for calculating the lateral displacement of the arc-shaped ground connection wall, which is only determined through numerical simulation and on-site monitoring. Contents of the invention [0003] The object of the present invention is that there is no good method for calculating the lateral displacement of the existing arc-shaped connecting wall, and the present invention proposes a method for calculating the lateral displacement of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/13G01B21/02
CPCG01B21/02G06F17/13
Inventor 耿大新余小强童立红闵世超谢建华郑焕曾宇凡
Owner EAST CHINA JIAOTONG UNIVERSITY
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