Research on Response of Restricted Steel Beam under Elevated Temperature and Blast Loading

徐文晶; 段立平; 赵金城

doi:10.13409/j.cnki.jdpme.2013.03.019

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Research on Response of Restricted Steel Beam under Elevated Temperature and Blast Loading

更新时间：2025-12-11

- Research on Response of Restricted Steel Beam under Elevated Temperature and Blast Loading
- Vol. 33, Issue 3, Pages: 342-347(2013)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2013.03.019
  CLC： 383
- Published：2013
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[1]徐文晶,段立平,赵金城.约束钢梁在高温与爆炸共同作用下的响应分析[J].防灾减灾工程学报,2013,33(03):342-347.

徐文晶, 段立平, 赵金城. Research on Response of Restricted Steel Beam under Elevated Temperature and Blast Loading[J]. 2013, 33(3): 342-347.
[1]徐文晶,段立平,赵金城.约束钢梁在高温与爆炸共同作用下的响应分析[J].防灾减灾工程学报,2013,33(03):342-347. DOI： 10.13409/j.cnki.jdpme.2013.03.019.

徐文晶, 段立平, 赵金城. Research on Response of Restricted Steel Beam under Elevated Temperature and Blast Loading[J]. 2013, 33(3): 342-347. DOI： 10.13409/j.cnki.jdpme.2013.03.019.

摘要

为了研究约束钢梁在高温和爆炸共同作用下的响应

采用大型有限元分析软件ANSYS

对约束钢梁在单独高温、单独爆炸以及高温爆炸共同作用下的性能做了分析研究。分析计算中

充分考虑了高温引起的材料弹性模量、屈服强度等物理力学性能的变化

同时考虑了动荷载引起的应变率效应。首先

对约束钢梁在标准火灾升温（ISO834）下的反应进行了分析

考察了钢梁在单独火灾下的性能;随后

分析了常温下不同爆炸强度和爆炸形式下钢梁的响应情况

考察了钢梁在单独爆炸下的性能;最后

分析升温至不同温度的同时发生3种不同形式的爆炸后钢梁的响应

并与前2种情况相对比

探讨火灾、爆炸的相互影响。

Abstract

To understand the response of restricted steel beam under elevated temperature and blast loading

the finite element program ANSYS was used to analyze the behavior of models with only elevated temperature

only blast loading and both elevated temperature and blast loading.The changes with elevating temperature of steel elastic modulus

yield strength and other physical properties was considered in the analysis

and the rate effect was also considered in the research.Firstly

the response of the restricted steel beam under standard fire（ISO834） was researched to investigate the properties with the fire only.And then

the response of the steel beam under different explosive strengths and explosive forms at the normal temperature to investigate the properties with the blast only.Lastly

the response of the steel beam under three different kinds of blast in different temperatures was analyzed

and the result was compared with the two former cases to discuss the influence of the fire and blast.

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references

火灾温度场下约束钢柱的结构响应分析 [J]. 王学夫,郑小尧,王新堂,丁勇. 宁波大学学报(理工版) . 2009(02)

高温下钢框架结构非线性有限元分析 [J]. 赵金城,沈为平. 上海交通大学学报 . 1996(08)

约束钢梁在升温段和降温段的反应及梁柱节点的破坏研究 [D]. 郭士雄. 同济大学 2006

塑性结构的动力学模型[M]. 北京大学出版社 , 余同希,[英]W.J.斯壮著, 2002

Explosion and Fire Analysis of Steel Frames Using Mixed Element Approach [J] . Hong Chen,J. Y. Liew. Journal of Engineering Mechanics . 2005 (6)

Explosion and Fire Analysis of Steel Frames Using Fiber Element Approach [J] . J. Y. Richard Liew,Hong Chen. Journal of Structural Engineering . 2004 (7)

An integrated adaptive environment for fire and explosion analysis of steel frames — Part II: [J] . B.A Izzuddin,L Song,A.S Elnashai,P.J Dowling. Journal of Constructional Steel Research . 2000 (1)

An integrated adaptive environment for fire and explosion analysis of steel frames — Part I: [J] . L. Song,B.A. Izzuddin,A.S. Elnashai,P.J. Dowling. Journal of Constructional Steel Research . 2000 (1)

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