WHOLE FRAME EXPERIMENTAL STUDY ON JOINT STIFFNESS OF STEEL TUBULAR SCAFFOLD WITH COUPLERS BASED ON DISPLACEMENT BACK ANALYSIS THEORY

Chen Anying; Guo Zhengxing

doi:10.13204/j.gyjz201303021

Volume 43 Issue 3

Dec. 2014

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Abstract

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Guo Yanlin, Liu Feng, Dou Chao, Jiang Ziqin. CALCULATION OF LOAD-BEARING CAPACITY AND DEFORMATION IN SINGLY-STEPPED SINUSOIDAL CORRUGATED WEB COLUMN[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(7): 22-29. doi: 10.13204/j.gyjz201207003

Citation:

Chen Anying, Guo Zhengxing. WHOLE FRAME EXPERIMENTAL STUDY ON JOINT STIFFNESS OF STEEL TUBULAR SCAFFOLD WITH COUPLERS BASED ON DISPLACEMENT BACK ANALYSIS THEORY[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(3): 97-102. doi: 10.13204/j.gyjz201303021

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WHOLE FRAME EXPERIMENTAL STUDY ON JOINT STIFFNESS OF STEEL TUBULAR SCAFFOLD WITH COUPLERS BASED ON DISPLACEMENT BACK ANALYSIS THEORY

doi: 10.13204/j.gyjz201303021

Chen Anying¹,
Guo Zhengxing²

1.
1. Hefei University of Technology,Hefei 230009,China;
2.
2. Southeast University,Nanjing 210096,China

Received Date: 2012-05-10
Publish Date: 2013-03-20

Abstract

Abstract

The bolt connection joint of steel tubular scaffold with couplers is a kind of typical semi-stiffness connection;the stiffness is directly related to the tightening moment.The innovative lateral resistance of whole frame was designed based on the objective parameter displacement back analysis and different from the regular stiffness test of single joint.The relationship between the node lateral displacement and the top level force was got by the test.The joint rotation stiffness considering the structural factors was gained through the analysis of the experimental data and the finite element analysis,which provided the reliable key mechanical parameter for ultimate strength analysis of the whole frame.
- back analysis,
- coupler,
- steel tube,
- scaffold,
- joint,
- stiffness

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References(10)

References

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黄宝魁,徐崇宝,张铁铮,等.双排扣件式钢管脚手架整体稳定实验与理论分析[J].建筑技术,1991,18(9):40－45.

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