| 高温(火灾)条件轴心受压变截面钢构件承载力理论研究 |
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| 引用本文： | 谭巍,王肇民.高温(火灾)条件轴心受压变截面钢构件承载力理论研究[J].钢结构,1999,14(1):10-13. |
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| 作者姓名： | 谭巍 王肇民 |
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| 作者单位： | 同济大学!上海，200092，同济大学!上海，200092 |
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| 摘 要： | 根据以往的试验与理论研究，导出了高温（火灾）条件下具有防火被覆的钢构件内部升温的计算公式，介绍了钢材在高温（火灾）条件下的力学性能变化，并给出了求得高温（火灾）条件下轴心受压变截面钢构件极限承载力以及钢构件临界温度的计算方法和简便、实用的高温（火灾）条仟下验算变截面轴压锅构件稳定承载力的计算公式．
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| 关 键 词： | 高温 变截面轴心压杆 极限承载力 临界温度 |
THEORETICAL BEARING CAPACITY RESEARCH OF AXIAL COMPRESSING VARIABLE CROSS-SECTION STEEL MEMBER UNDER ELEVATED TEMPERATURE |
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| Tan Wei, Wang Zhaomin.THEORETICAL BEARING CAPACITY RESEARCH OF AXIAL COMPRESSING VARIABLE CROSS-SECTION STEEL MEMBER UNDER ELEVATED TEMPERATURE[J].Steel Construction,1999,14(1):10-13. |
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| Authors: | Tan Wei Wang Zhaomin |
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| Affiliation: | Tongji University Shanghai 200092 |
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| Abstract: | On the basis of previous test and theory research, the formula of calculating the temperature in thesteel member with fire protected material under elevated temperature is derived in this paper, and the mechanicproperty change of steel material under elevated temperature is also introduced. Furthermore, the method of calculating variable cross-section steel member under high temperature are given together in this paper. |
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| Keywords: | elevated temperature axial compressing variable cross-section steel member ultimate load critical temperature |
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