为改善钢板剪力墙滞回性能,使其具备稳定耗能能力,提出了一种管肋开孔双钢板剪力墙。利用Abaqus有限元软件建立了包括管肋(开孔)双钢板剪力墙在内的7种不同类型钢板剪力墙的有限元数值模型,对其破坏模式、滞回性能、承载力、刚度和耗能能力等方面进行了对比分析。结果表明:在墙体钢板横截面总厚度一定的情况下,管肋双钢板剪力墙具有较高的承载能力和良好的滞回性能;钢管作为板间加劲肋,通过合理布置能够对两侧的墙面板起到较好屈曲约束的效果,面外变形较小,同时减小了由于墙面板预开孔洞造成的承载力、强度和刚度的损失 ...
陈焰周 +3 more
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