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Non-linear Analysis of Steel-Encased Reinforced Concrete Pier
Pages: 93-98
Year: Issue:  1
Journal: Journal of Gansu Sciences

Keyword:  Steel-encasedReinforced concrete pierUnloadingStrengtheningMechanical performance;
Abstract: 利用有限元分析软件ABAQUS,对不同卸载量下外包钢加固后的钢筋混凝土柱进行非线性分析,研究了加固后混凝土柱的破坏特征、受力性能和破坏机理,得到了混凝土、钢筋及外包角钢相应的荷载位移曲线和应力云图.结果表明:加固时柱子卸载50%左右时,承载力提高幅度最大,加固后其受力性能更好.研究可为实际工程的加固设计提供可靠的参考依据.
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