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Abstract:
为保护古建筑,采用低周反复加载试验方法,基于故宫太和殿某开间梁柱尺寸,制作了1∶8的缩尺比例的4梁4柱模型,考虑榫卯节点形式为燕尾榫,进行了低周反复加载试验,研究了古建筑榫卯节点的抗震性能.通过试验,获得了榫卯节点的M-θ滞回曲线,分析了节点的骨架曲线、耗能能力、刚度退化及延性性能,归纳了节点恢复力拟合曲线计算公式.结果表明,古建筑榫卯节点的M-θ滞回曲线以Z形为主,具有明显的捏拢特性;随着节点转角增大,其骨架曲线趋于平缓,体现了良好延性;节点承载力较小,耗能能力及刚度随着转角增大而降低.
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振动、测试与诊断
ISSN: 1004-6801
Year: 2011
Issue: 6
Volume: 31
Page: 679-684
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 65
Chinese Cited Count:
30 Days PV: 22
Affiliated Colleges: