| ISO-834标准火灾作用后方钢管混凝土构件滞回性能试验研究 |
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| 引用本文： | 林晓康,韩林海.ISO-834标准火灾作用后方钢管混凝土构件滞回性能试验研究[J].地震工程与工程振动,2003,23(4):188-194. |
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| 作者姓名： | 林晓康 韩林海 |
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| 作者单位： | 福州大学土木建筑工程学院,福建,福州,350002 |
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| 基金项目： | 福建省科学计划资助项目. |
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| 摘 要： | 研究火灾后钢管混凝土结构的抗震性能，对于合理进行该类结构火灾后的修复具有重要意义。本文通过对6个ISO-834标准火灾作用后方钢管混凝土构件进行往复荷载作用下的荷载-变形滞回性能试验，探讨火灾作用后方钢管混凝土荷载-变形滞回曲线的特点以及刚度退化规律，并对火灾作用后方钢管混凝土压弯构件极限承载力和抗弯刚度计算方法进行了讨论。
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| 关 键 词： | 方钢管混凝土构件 滞回性能 ISO-834标准 火灾 极限承载力 刚度 |
| 文章编号： | 1000-1301(2003)04-0188-07 |
Cyclic behavior of concrete-filled SHS(Square Hollow Section) columns after exposure to ISO-834 standard fire |
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| LIN Xiao-kang,HAN Lin-hai.Cyclic behavior of concrete-filled SHS(Square Hollow Section) columns after exposure to ISO-834 standard fire[J].Earthquake Engineering and Engineering Vibration,2003,23(4):188-194. |
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| Authors: | LIN Xiao-kang HAN Lin-hai |
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| Abstract: | The seismic behavior of concrete-filled SHS(Square Hollow Section)columns may be used to assess the potential damage caused by fire and to establish an approach to calculate the structural fire protection for minimum post-fire repair.This paper provides six column test data pertaining to the seismic behavior of concrete-filled SHS columns after exposure to fire.The characteristic of load-deformation hysteretic curve and the law of the stiffness degradation are discussed.The authors used different design methods to compare the member capacities and the stiffness of concrete-filled SHS columns after exposure to ISO-834 standard fire. |
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| Keywords: | concrete-filled SHS columns member capacity stiffness |
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