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工程力学  2014 

大跨半钢板混凝土简支梁承载力性能试验研究

DOI: 10.6052/j.issn.1000-4750.2013.03.0251, PP. 64-70

Keywords: 钢板混凝土,大跨度简支梁,静载试验,正截面抗弯承载力,抗弯刚度

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Abstract:

为了研究大跨半钢板混凝土组合梁的承载力和变形性能,对一个1∶3缩尺的大跨简支梁试件进行了静载试验研究。通过分析试件在加载过程中的挠度、应变和裂缝的发展,研究了此类构件的受力特点和破坏形态,结果表明该类型构件中的钢板、混凝土和钢筋能够很好的协同工作,整个构件具有较高的承载力和刚度,同时表现出很好的延性。最后,通过对比实测数据和理论计算结果,检验了现行规程中组合梁正截面抗弯承载力和短期刚度的计算公式,为工程设计提供参考。

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