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Author:

杨帆 (杨帆.) | 钱稼茹 (钱稼茹.) | 张微敬 (张微敬.)

Indexed by:

CQVIP PKU CSCD

Abstract:

为计算大空间钢结构高温下的力学性能,需考虑受压钢构件屈曲.将钢构件屈曲特性反映在材料的本构模型中,进行高温下大空间钢结构有限元计算.通过研究轴心受压钢构件在不同温度下的弯曲变形,推导出考虑长细比、初始缺陷、临界力等因素的受压钢构件名义轴向刚度;通过能量等效,用等效刚度代替名义轴向刚度,得到高温下受压钢构件考虑屈曲的钢材两折线应力-应变本构模型,数值计算验证了模型的正确性.

Keyword:

高温 等效轴向刚度 应力-应变本构模型 屈曲 钢构件

Author Community:

  • [ 1 ] [杨帆]清华大学
  • [ 2 ] [钱稼茹]清华大学
  • [ 3 ] [张微敬]北京工业大学

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Source :

力学与实践

ISSN: 1000-0879

Year: 2010

Issue: 6

Volume: 32

Page: 27-32

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 7

Chinese Cited Count:

30 Days PV: 12

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