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A steel support axial force testing device and testing method thereof

A test device and steel support technology, which is applied in the test of foundation structure, construction, foundation structure engineering, etc., can solve the problems of deformation and distortion of steel support end plate or baffle plate of foundation pit enclosure structure, small cross-sectional size, and unfavorable support stability and other problems, to achieve the effect of convenient installation and removal, and improve the efficiency of use

Active Publication Date: 2019-08-06
SHANGHAI JIANKE ENG CONSULTING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As the excavation depth of foundation pit engineering is getting larger and larger, the force of steel support is increasing. Due to the small cross-sectional size and stress concentration of the axial force meter commonly used in foundation pit engineering, this axial force test device and test method can no longer be used. It meets the engineering needs, and it is prone to deformation and distortion of the steel support end plate or foundation pit enclosure structure baffle, which is unfavorable to the support stability

Method used

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  • A steel support axial force testing device and testing method thereof
  • A steel support axial force testing device and testing method thereof
  • A steel support axial force testing device and testing method thereof

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Embodiment Construction

[0028] Below in conjunction with accompanying drawing and embodiment the present invention will be further described

[0029] A steel support axial force testing device (as attached figure 1 As shown), it is composed of a steel support connecting plate 1, an axial force meter 2, a box body 3 and a wall reinforcement plate 4.

[0030] Wherein, the steel support connecting plate 1 is a complete circular steel plate, and at least three axial force meter bearings 21 are evenly arranged with the center of the steel supporting connecting plate 1 as the symmetrical center, which are welded and fixed with the steel supporting connecting plate 1; The steel support connecting plate 1 is connected with the steel support via bolts 8 .

[0031] The box body 3 is composed of four steel plates and fixed by welding with the steel supporting connecting plate 1; the box body 3 is provided with a cable hole 31 in front, a drain hole 32 at the bottom, and a top cover plate 33 which can be opened...

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Abstract

The invention relates to a steel support axial force test device and a test method thereof, in particular to a steel support axial force test device and a test method thereof for foundation pit engineering and other underground engineering construction and relates to the technical field of underground engineering support axial force test. The steel support axial force test device is composed of a steel support connecting plate (1), an axial force meter (2), a box (3) and a wall reinforcing plate (4). The test method of the steel support axial force test device comprises the steps from step A to step F. Through the device and the test method, axial force, bending moment and the eccentricity of a steel support can be obtained, the support axial force and foundation pit engineering stress and deformation can be timely reflected, and steel support unstable risk control is facilitated. The steel support of the device is convenient to mount and dismount, can be repeatedly used and applies the axial force through a jack to timely provide supporting force, and the steel support axial force test device and the test method thereof can be widely applied to underground engineering, in particular to foundation pit engineering and applied to the field of constructional engineering, municipal engineering or traffic construction engineering.

Description

technical field [0001] The invention relates to the technical field of steel support axial force testing for underground engineering, in particular to a steel support axial force testing device for foundation pit engineering or other underground engineering construction and a testing method thereof. Background technique [0002] As we all know, the installation and removal of steel support is convenient, reusable, and the axial force is applied through the jack to provide timely support force, which is widely used in underground engineering, especially foundation pit engineering. Steel support axial force test is an effective means to timely reflect the support axial force, stress and deformation of foundation pit engineering. As the excavation depth of foundation pit engineering is getting larger and larger, the force of steel support is increasing. Due to the small cross-sectional size and stress concentration of the axial force meter commonly used in foundation pit engine...

Claims

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Application Information

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IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 蔡来炳周红波李敏张晴雯陆敏敏周翠
Owner SHANGHAI JIANKE ENG CONSULTING
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