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Axial force compensation device acting upon steel support and use method thereof

A compensation device and steel support technology, applied in the field of axial force compensation device, can solve the problems of stress loss compensation of steel support structure, inconvenient removal of steel pipe support, etc., and achieve the effects of reducing axial force attenuation, rapid and effective removal, and safe construction

Inactive Publication Date: 2020-01-10
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the stress loss in the steel support structure cannot be compensated in time during the excavation of the foundation pit and the problem that the steel pipe support is inconvenient to remove

Method used

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  • Axial force compensation device acting upon steel support and use method thereof
  • Axial force compensation device acting upon steel support and use method thereof
  • Axial force compensation device acting upon steel support and use method thereof

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail in conjunction with the following examples. It should be understood that the specific implementation cases described here are only used to explain the present invention, and are not intended to limit the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings, and the described embodiments are part of the embodiments of the present invention, not all of them.

[0026] Such as Figure 1 to Figure 5 As shown, this embodiment discloses an axial force compensation device acting on a steel support, including four connecting rods 1, the four connecting rods are made of high-strength square steel rods, and the four connecting rods 1 pass bolts 8 in pairs Connected on the connec...

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Abstract

The invention discloses an axial force compensation device acting upon a steel support in foundation pit supporting. The axial force compensation device acting upon the steel support in the foundationpit supporting mainly comprises four connecting rods; the four connecting rods are connected to connecting blocks through bolts in pairs; the connecting rods can rotate around the bolts; the connecting blocks comprise an upper connecting block, a lower connecting block and left and right connecting blocks; the upper connecting block is connected with a steel pipe support; the lower connecting block is connected with an enclosing purlin; the left and right connecting blocks are connected with each other through a threaded rod and a nut; and by adjusting the nut, the distance between the left and right connecting blocks can be adjusted to adjust included angles of a quadrangle. The axial force compensation device acting upon the steel support can be used for foundation pit construction, andcan keep a pre-applied axial force in the steel support in the foundation pit construction process; and meanwhile, problems that stress relaxation of the steel support occurs during supporting structure deformation, the steel support is inconvenient to detach after the foundation pit construction is finished and so on are prevented.

Description

technical field [0001] The invention relates to the field of support structure design, in particular to an axial force compensation device acting on a steel support and a use method thereof. [0002] technical background [0003] During the excavation of the foundation pit, especially when the foundation pit is deeply excavated, and when there are high-rise buildings or heavy construction facilities around the foundation pit, the support structure of the foundation pit will be caused during the excavation of the foundation pit. The prestress in the structure causes a large loss, and the supporting structures that have not been specially treated in the past will encounter similar situations. This time, the device is carefully designed to solve the problem that the traditional support structure cannot perform effective stress compensation in time. During the excavation of the foundation pit, the lost stress can be compensated in time by adjusting the high-strength bolts, especi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D33/00
CPCE02D17/04E02D33/00
Inventor 穆保岗韩峰
Owner SOUTHEAST UNIV
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