新型轻钢结构加层节点抗震性能试验研究及有限元分析
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摘要
钢板加固节点是一种抗震性能优越的轻钢结构加层节点.对该类节点进行拟静力试验及ANSYS有限元分析,研究节点的破坏现象、滞回曲线等抗震性能.研究结果表明:所建有限元模型可以有效模拟钢板加固节点的抗震性能.建立了钢板碳纤维加固节点的有限元模型,并对该模型在低周反复荷载作用下的抗震性能进行非线性有限元全过程分析,分析结果表明:钢板碳纤维加固节点的抗震性能略优于钢板加固节点,提高程度并不显著.
The joint strengthened with steel plate is advanced on seismic behavior in steel adding storey. Performance of the specimen in terms of failure phenomenon and hysteretic curve, etc.is studied under low-cyclic loadings and with ANSYS finite element analysis. The results of the study show that ANSYS finite element analysis can effectively simulate the seismic behavior of the node strengthened with steel plate. Based on the above, the seismic behavior of a new node strengthened with steel plate and carbon fiber is studieded under low cyclic loadings with ANSYS finite element analysis.The results show that seismic performance about the node strengthened with steel plate and carbon fiber is superior to the former, but is not obvious.
引文
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