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author:

杨有福 (杨有福.) [1] | 韩林海 (韩林海.) [2]

Abstract:

简要论述了圆中空夹层钢管混凝土柱在 ISO-834和 GB/T 9978-1999规定的标准升温曲线升温作用下的耐火性能,分析了影响圆中空夹层钢管混凝土柱耐火极限和火灾下剩余承载力系数的各因素,结果表明,材料强度、名义含钢率、内钢管壁厚度和荷载偏心距等对耐火极限和火灾下剩余承载力系数的影响不大;而截面尺寸、构件长细比和防火保护层厚度对圆中空夹层钢管混凝土柱耐火极限的影响较大,截面尺寸、构件长细比、空心率和受火时间对火灾下圆中空夹层钢管混凝土柱剩余承载力系数的影响较大.本文研究成果可为有关工程实践提供参考.

Keyword:

中空夹层 剩余承载力系数 耐火性能 耐火极限 钢管混凝土

Community:

  • [ 1 ] 福州大学土木建筑工程学院

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Year: 2005

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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