ANALYSIS OF FIRE RESISTANCE LIMIT OF JOINTS OF STEEL FRAMES BASED ON ELEMENT-FREE GALERKIN METHOD

GAO Zhihua; ZHAO Zhao; HOU Yingjie; CHAI Shaobo

doi:10.13204/j.gyjzG20051211

Volume 51 Issue 10

Feb. 2022

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GAO Zhihua, ZHAO Zhao, HOU Yingjie, CHAI Shaobo. ANALYSIS OF FIRE RESISTANCE LIMIT OF JOINTS OF STEEL FRAMES BASED ON ELEMENT-FREE GALERKIN METHOD[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(10): 122-126. doi: 10.13204/j.gyjzG20051211

Citation:

GAO Zhihua, ZHAO Zhao, HOU Yingjie, CHAI Shaobo. ANALYSIS OF FIRE RESISTANCE LIMIT OF JOINTS OF STEEL FRAMES BASED ON ELEMENT-FREE GALERKIN METHOD[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(10): 122-126. doi: 10.13204/j.gyjzG20051211

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ANALYSIS OF FIRE RESISTANCE LIMIT OF JOINTS OF STEEL FRAMES BASED ON ELEMENT-FREE GALERKIN METHOD

doi: 10.13204/j.gyjzG20051211

School of Civil Engineering, Chang'an University, Xi'an 710064, China

Received Date: 2020-05-12
Available Online: 2022-02-21

Abstract

Abstract

By using the theory of element-free Galerkin method based on orthogonal basis function, a program for solving the coupled thermo-elastic-plastic discrete equation of transient temperature field and elastic-plastic stress field was compiled by MATLAB, and it was applied to the nonlinear analysis of fire test of columns in steel frame.The temperature change process at the temperature measurement points and the changing trend of rotation angle with temperature were analyzed. By comparing the analytical results with the numerical analysis results and the field measured data, the applicability and superiority of this method were verified, which could provide a new reference for the research of steel frames at high temperatures.
- element-free Galerkin method,
- thermo-elasto-plastic,
- steel frame,
- fire resistance limit

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References(10)

References

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