| 火灾下变截面钢构件的温度内力研究 |
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| 引用本文： | 於一明,徐伟良,钱铮.火灾下变截面钢构件的温度内力研究[J].工业建筑,2005,35(Z1):321-323. |
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| 作者姓名： | 於一明 徐伟良 钱铮 |
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| 作者单位： | 浙江工业大学,建筑工程学院,杭州,310032 |
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| 基金项目： | 浙江省自然科学基金项目(项目编号:501093) |
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| 摘 要： | 采用有限元方法,对火灾下楔形变截面钢构件的温度内力进行了分析。讨论了变截面钢构件温度内力的变化规律,得出了等效截面系数表达式,并在对等截面构件的温度内力公式进行修正的基础上,提出了火灾下变截面钢构件的温度内力公式,可供工程设计人员参考。
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| 关 键 词： | 钢构件 楔形截面 温度内力 等效截面系数 |
| 修稿时间： | 2005年2月20日 |
THE TEMPERATURE STRESS OF VARIABLE SECTION STEEL MEMBER SUBJECTED TO FIRE |
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| Yu Yiming,Xu Weiliang,Qian Zheng.THE TEMPERATURE STRESS OF VARIABLE SECTION STEEL MEMBER SUBJECTED TO FIRE[J].Industrial Construction,2005,35(Z1):321-323. |
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| Authors: | Yu Yiming Xu Weiliang Qian Zheng |
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| Abstract: | In this paper,the temperature stress of tapered steel member subjected to fire has been analyzed by the finite element methodThe variable law of the temperature stress of tapered steel member is discussed,in the meantime the expression of equivalent section coefficient is given,and based on the modified temperature stress formula of prismatic member,the temperat ure stress formula of tapered steel member is presented,which can be helpful to the engineering designers |
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| Keywords: | steel member tapered member temperature stress equivalent section coefficient |
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