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Fire Safety Analysis of Plastic Steel Frames

Rong-gang Zhang1,2, Hong-tao Zhang3 , Yu-xing Bai3, Jian-ling Gao3, Lai-yong Zhang2 , Bing-ye Xu1
1,2,3 Tsinghua University, Beijing, 100084, China HQCEC, Beijing, 100029, China North China University of Technology, Beijing, 100144, China

Computers, Materials & Continua 2010, 20(3), 243-250.


Based on the upper bound theorem, the fire resistance is studied using the combination of element collapse mechanisms of steel frames, where the element collapse mechanisms are automatically determined from independent mechanisms. The fire limit load is calculated by solving a nonlinear mathematical programming. The computing procedure is programmed by FORTRAN language. Results show that this method is useful to find the collapse mechanism with the lowest fire limit load, which can provide a theoretical and practical way for the fire design of steel frame structure.


upper bound, nonlinear mathematical programming, steel frame, fire limit load, element collapse mechanism

Cite This Article

. , "Fire safety analysis of plastic steel frames," Computers, Materials & Continua, vol. 20, no.3, pp. 243–250, 2010.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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