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工程力学  2013 

装配整体式双向孔空心模板剪力墙受剪性能试验研究

DOI: 10.6052/j.issn.1000-4750.2013.01.0026, PP. 219-229

Keywords: 装配整体式剪力墙,双向孔空心模板,内部接缝,分缝墙,受剪性能

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Abstract:

研究了一种新型装配整体式住宅产业化结构构件,即装配整体式双向孔空心模板剪力墙的受剪性能。通过1个钢筋混凝土剪力墙和5个装配整体式双向孔空心模板剪力墙的拟静力试验,研究了其破坏模式和破坏过程,分析了内部接缝、轴压比、剪跨比、水平分布钢筋等参数对其受剪性能的影响。研究表明:装配整体式双向孔空心模板剪力墙的破坏过程和破坏模式与钢筋混凝土剪力墙不同,在水平荷载作用下沿内部接缝出现宏观竖向裂缝,经历整截面墙受力到分缝剪力墙受力的过程,避免了剪切破坏,具有良好的变形能力,但是受剪承载力降低;提高剪跨比,墙体承载力降低,承载力稳定性和变形能力提高;增加轴压比提高墙体的受剪承载力和抗侧刚度;提高水平钢筋配筋率提高墙体的受剪承载力和变形能力。

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