EXPERIMENTS AND FEM ANALYSIS FOR BEARING CAPACITY OF ARCH SUPPORT PORTALFRAME

Yan Qi-wu; Huang Wei; Yang Cheng-xi; Yang Di-rou; Chen Jie-gang

doi:10.13204/j.gyjz201210023

Volume 42 Issue 10

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2012 > 42(10): 108-112

Yan Qi-wu, Huang Wei, Yang Cheng-xi, Yang Di-rou, Chen Jie-gang. EXPERIMENTS AND FEM ANALYSIS FOR BEARING CAPACITY OF ARCH SUPPORT PORTALFRAME[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(10): 108-112. doi: 10.13204/j.gyjz201210023

Citation:

Yan Qi-wu, Huang Wei, Yang Cheng-xi, Yang Di-rou, Chen Jie-gang. EXPERIMENTS AND FEM ANALYSIS FOR BEARING CAPACITY OF ARCH SUPPORT PORTALFRAME[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(10): 108-112. doi: 10.13204/j.gyjz201210023

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EXPERIMENTS AND FEM ANALYSIS FOR BEARING CAPACITY OF ARCH SUPPORT PORTALFRAME

doi: 10.13204/j.gyjz201210023

1.
1. Civil Engineering College,Central South University,Changsha 410075,China;
2.
2. Changsha Rail Transit Group Co.Ltd,Changsha 410007,China;
3.
3. The Jinfeng Metal Component Corporation of Hunan,Changsha 410002,China;
4.
4. Architecture Safety Supervision Station of Changsha,Changsha 410016,China

Received Date: 2011-12-19
Publish Date: 2012-10-20

Abstract

Abstract

In order to determine the bearing capacity of single arch support inner portalframe,experiments on the bearing capacity of single arch support portalframe and nonlinear FEM analysis of the bearing capacity of single arch support portalframe and single MF1219 portalframe were carried out.Models of single arch support portalframe and single MF1219 portalframe were set up using ANSYS software,their eigenvalue buckling analysis was done,and their bearing capacity was obtained.Loading in grades on top ends of two uprights or the corresponding positions of both ends of the arch strengthened rod of single arch support portalframe,in which low ends of two uprights were articulated,8 single arch support portalframes bearing capacity tests were conducted.Different portalframe bearing capacity formula in JGJ 1282010 Technical Code of Portal Steel Pipe Scalffold for Building Construction was selected,and the single arch support bearing capacity was calculated.After the results of FEM analysis,experiment and calculation of bearing capacity of single portalframe were contrasted,it was proposed that forces should act on top ends of two uprights,the bearing capacity of arch support portalframe for forces acted on top ends of two uprights could be calculated by the formula in 5. 2. 1-8a of JGJ 1282010,and the reduction coefficient of the bearing capacity of arch support portalframe for forces acted on top cross bar should be 0. 3．
- inner portalframe,
- bearing capacity,
- experiment,
- FEM

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References(11)

References

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[3] 那路，徐崇宝，高维成，等.门式钢管脚手架稳定极限承载力影响因素研究[J].哈尔滨建筑工程学院学报，1994，27 (3 ):76-83.

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[5] 周继忠，蔡雪峰.扣件式钢管脚手架施工安全风险识别与应对[J].施工技术，2008，37(2): 48-51.

[6] 蔡体发.关干门式脚手架标准化问题的探讨[J].工业建筑，1989，19(5): 26-28.

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