| 方形薄壁钢管混凝土柱的耐火性能研究 |
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| 引用本文： | 韩伟平,廖飞宇,王国辉,项凯,宋天诣.方形薄壁钢管混凝土柱的耐火性能研究[J].消防科学与技术,2011,30(1):1-3. |
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| 作者姓名： | 韩伟平 廖飞宇 王国辉 项凯 宋天诣 |
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| 作者单位： | 1. 公安部天津消防研究所,天津,300381
2. 清华大学,土木水利学院,北京,100084 |
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| 基金项目： | 公安部应用创新计划项目(2007YYCXTXS155) |
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| 摘 要： | 为研究薄壁钢管混凝土柱的耐火性能,进行4个方形薄壁钢管混凝土柱在标准升温曲线下的耐火试验。试验参数为荷载偏心率、是否设置加劲肋以及是否设置防火保护。基于试验结果,研究方形薄壁钢管混凝土柱在高温下的破坏模态、温度场分布和耐火极限,并将其耐火性能和普通钢管混凝土柱进行比较。试验结果表明,方形薄壁钢管混凝土柱具有较好的耐火性能。
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| 关 键 词： | 薄壁钢管混凝土柱 耐火试验 温度场 耐火性能 耐火极限 |
Study on fire behaviour of square concrete-filled thin-walled steel tubular columns |
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| HAN Wei-ping,LIAO Fei-yu,WANG Guo-hui,XIANG Kai,SONG Tian-yi.Study on fire behaviour of square concrete-filled thin-walled steel tubular columns[J].Fire Science and Technology,2011,30(1):1-3. |
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| Authors: | HAN Wei-ping LIAO Fei-yu WANG Guo-hui XIANG Kai SONG Tian-yi |
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| Affiliation: | HAN Wei-ping1,LIAO Fei-yu2,WANG Guo-hui1,XIANG Kai1,SONG Tian-yi2(1.Tianjin Fire Research Institute of MPS,Tianjin 300381,China,2.School of Civil Engineering,Tsinghua University,Beijing 100084,China) |
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| Abstract: | This paper presents an experimental investigation on the behaviour of square concrete-filled thin-walled steel tubular columns subjected to standard fire.The tests,including four specimens,were performed to examine the influences of the following parameters,i.e.loading eccentric ratio,with stiffeners or not and with fire-protection or not,on the fire behaviour of this type of composite columns.Based on the test results,the failure mode,temperature filed,and fire-resistance of the tested models were investig... |
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| Keywords: | thin-walled concrete-filled steel tube fire test temperature field fire behaviour fire resistance |
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