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钢管-GFRP管-混凝土柱抗震性能的研究
Authors
仓友清
查晓雄
王晓璐
Publication date
1 January 2011
Publisher
Editorial Department of Progress in Steel Building Structures, Tongji University
Abstract
本文主要研究了钢管-GFRP管-混凝土柱在定轴力和往复水平力作用下的抗震性能。基于有限元分析软件ABAQUS对该构件的滞回性能进行了分析,得到了不同影响因素下骨架曲线形状的变化规律。研究表明,加入FRP管会降低原钢管混凝土构件的延性。当轴压比较大、长细比较小时,FRP管的脆性破坏会造成骨架曲线形状的突变。若对轴压比和长细比进行适当控制,则该构件仍能够满足延性的要求。最后对已有的实心或空心钢管混凝土压弯构件恢复力模型进行了修正,得到了适合本文构件的恢复力简化模型
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Last time updated on 28/12/2024