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author:

陈伟宏 (陈伟宏.) [1] | 王晨阳 (王晨阳.) [2] | 吴胜豪 (吴胜豪.) [3] | 崔双双 (崔双双.) [4]

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CQVIP PKU CSCD

Abstract:

为研究PC框架节点在地震荷载作用下的破坏模式,设计了2个足尺PC框架梁柱节点,并对其进行拟静力试验。获得了试件破坏形态、极限承载力、滞回曲线和裂缝开展情况等。发现梁叠合面处未出现裂缝,沿梁柱叠合面出现竖向裂缝;轴压比为0.17的试件破坏时,柱叠合面处产生水平裂缝,且节点核心区破坏程度大于轴压比为0.34的试件,轴压比0.34的试件柱叠合面未开裂。研究了2个试件位移延性、承载力退化系数等抗震性能指标,结果表明:PC节点滞回曲线饱满,2个试件延性系数分别为6.56和6.45,承载力退化系数均大于0.85,具有较高延性水平和较好抗震性能。

Keyword:

PC节点 抗震性能 拟静力试验 破坏模式 装配式

Community:

  • [ 1 ] 福州大学土木工程学院,福建福州350108
  • [ 2 ] 福建工程学院土木工程学院,福建福州350118

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Source :

地震工程与工程振动

ISSN: 1000-1301

Year: 2020

Issue: 3

Volume: 40

Page: 78-84

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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