Joint structure with steel support serving as steel replacement support and construction method

A technology of node structure and construction method, applied in basic structure engineering, excavation, construction, etc., can solve the problem of cumbersome construction process of support structure, and achieve the effect of avoiding secondary construction, ensuring the safety of foundation pit, and saving construction period.

Inactive Publication Date: 2021-06-11
CHINA CONSTR EIGHT ENG DIV CORP LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a node structure and a construction method in which the steel support doubles as a steel replacement support, and solves the technical problem of cumbersome construction procedures of the support structure in the support construction of deep foundation pits in the prior art

Method used

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  • Joint structure with steel support serving as steel replacement support and construction method
  • Joint structure with steel support serving as steel replacement support and construction method

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] Such as figure 1 and figure 2 As shown, the steel support of the present invention doubles as a node structure for steel support, and is arranged in the side wall 9 between the end of the steel support 10 and the underground diaphragm wall 8. A connecting piece and a second connecting piece fixed to the first connecting piece, the second connecting piece abutting against the end of the steel support 10 .

[0028] By setting the node structure between the steel support 10 and the underground diaphragm wall 8, the steel support 10 does not need to be removed when the side wall 9 is constructed inside the foundation pit, and the side wall 9 can be poured directly without removing the steel support 10. The side wall 9 is poured again, and the steel is reinstalled after the concrete is solidified to change the support, and other constructions in th...

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Abstract

The invention relates to a joint structure with a steel support serving as a steel replacement support and a construction method. The joint structure is arranged in a side wall between the end of the steel support and an underground diaphragm wall, the joint structure comprises a first connecting piece used for connecting the underground diaphragm wall and a second connecting piece fixed with the first connecting piece, and the second connecting piece abuts against the end of the steel support. According to the joint structure arranged between the underground diaphragm wall and the steel support, the technical problem that in the prior art, the construction process of a supporting structure in supporting construction of a deep foundation pit is tedious is solved, and the tedious process that when side wall construction is conducted, the steel support needs to be dismantled, then side wall construction is conducted, and then the steel replacement support is adopted for supporting is solved; and according to the joint structure, by adjusting the construction form of the opposite supporting parts at the two ends of the steel support, the joint structure can be used as the steel replacement support at the same time, secondary construction of the steel replacement support is avoided, the construction period is greatly shortened, large investment of manpower, materials and machines is reduced, and meanwhile the safety of the foundation pit can be guaranteed.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a node structure and a construction method in which a steel support doubles as a steel support. Background technique [0002] At present, the deep foundation pits of open-cut and buried structures (such as subways and high-speed railways) mostly adopt the combination of underground diaphragm wall and inner support foundation pit enclosure. A steel bracing is made inside, and the steel bracing is removed after the structure is completely completed. This process is cumbersome and repetitive, and the construction of the steel bracing takes a construction period, and the construction efficiency is low. Contents of the invention [0003] The invention provides a node structure and a construction method in which a steel support doubles as a steel replacement support, and solves the technical problem of cumbersome construction procedures of the support structure in the support con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 罗鑫彭建永陈新喜王辉陈华赵辉李赟金国栋潘钧俊范怀伟王城钢张谦吴震宇戴卫东陶伟尹军
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD
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