叠合钢筋混凝土剪力墙抗震性能低周反复荷载实验研究
首发时间:2013-03-14
摘要:本文进行了低周循环荷载下的三组共15片钢筋混凝土墙的抗震性能研究。研究了试件的破坏模式、侧向承载能力,变形能力和位移协调能力。并着重对比分析了三种叠合墙和传统墙的各种性能差异。试验研究表明叠合墙的侧向承载力和侧向变形能力较传统现浇墙有较大提高,而位移延性系数却相差并不大。叠合墙的破坏模式和传统墙基本相同,叠合墙预制部分和现浇部分混凝土变形也基本一致,能够很好的一起工作。叠合墙可以用于灾后的迅速重建。
关键词: 钢筋混凝土结构 叠合墙 抗震性能 侧向承载力 变形能力
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Seismic behavior study of the laminated RC Shear Walls under Low-reversed Cyclical Experiment
Abstract:In this paper the Seismic behavior study of 12 typical laminated composite reinforced concrete (RC) walls and 3 cast-in-place RC walls subjected to low frequency cyclic load were carried out.The failure mode,lateral bearing capacity,deformability and deformation compatibility of these specimens were studied.Differences of structure behaviour between composite RC walls and common cast-in-place RC walls were emphasized in the analysis.Test results indicated that the lateral bearing capacity and lateral deformability of the composite walls were larger than cast-in-place RC,while the failure mode and the displacement ductility ratio were almost the same.The prefabricate part and cast-in-pace part can work together well as their displacement were compatible at most circumstance .This laminated composite shear walls are suggested to be applied in rapid reconstruction structures.
Keywords: reinforced concrete structure the laminated composite reinforced concrete wall seismic performance lateral bearing capacity deformability
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