在地震荷载作用下,剪力墙结构角部混凝土常发生压碎脱落,进而导致构件承载力下降,确保角部混凝土不提前损伤失效是提升其抗震性能的有效途径之一。针对内藏钢板-外包混凝土板装配式组合剪力墙结构,提出了角部加厚处理、角部直边加肋处理、角部圆边加肋处理三种构造改进方式,文中设计制作了4组装配式组合剪力墙试件,并对其开展了低周往复加载试验研究,探讨了不同角部构造改进方式对组合剪力墙抗震性能的影响。结果表明:三种角部构造改进方式均能有效提升减轻装配式组合剪力墙的抗震性能,消除加载过程中角部混凝土提前损伤失效 ...
王彦峰, 吴小蕙, 潘柏崇
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