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| 1 | 考虑加载循环次数影响的弯剪破坏RC柱荷载-变形关系计算模型及其抗震性能评估显示文摘为研究不同循环次数地震作用下弯剪破坏型钢筋混凝土(RC)柱的抗震性能,对2组(8根)不同剪跨比的RC圆柱进行了不同循环次数的拟静力试验。研究了不同加载循环次数作用下弯剪破坏RC圆柱的变形性能和滞回特性,基于试验结果提出了不同加载循环次数下弯剪破坏RC圆柱的荷载-变形关系计算模型和等效阻尼比模型,并给出了考虑地震作用循环次数影响的弯剪破坏单柱墩结构的抗震性能分析方法。结果表明:加载循环次数越多,RC柱剪切效应越显著,水平承载能力和变形能力降低越明显,这一循环退化效应引起的RC柱抗震性能下降现象应在分析中予以考虑;提出的不同加载循环次数下弯剪破坏RC圆柱的荷载-变形关系模型和等效阻尼比模型计算值与试验值吻合较好,可用于考虑不同循环次数影响的地震作用下弯剪破坏RC圆柱荷载-变形关系建立和抗震性能评估。 | 张勤 李振 顾祥林 贡金鑫 | 2022 | 建筑结构学报2022，43，11： | 1 |
| 2 | Preface: Advances in OpenSees Applications to Civil Engineering显示文摘This special issue is dedicated to the memory of a world-renowned expert in earthquake engineering,Professor Stephen A.Mahin(October 16,1946-February 10,2018),for his educational efforts and visionary research contributions that spanned theory,numerical modeling,computer simulation,laboratory experiments,field testing,and design code development.His decades of prolific,enthusiastic,and selfless service to the academia,profession and industry as well as his friendship will be remembered forever.In his capacity as the Director of the Pacific Earthquake Engineering Research(PEER)Center(2009-2015),Professor Mahin was steadfast in supporting the development and application of OpenSees(i.e.,Open System for Earthquake Engineering Simulation).To recognize his great efforts,this special issue is about the applications of OpenSees in civil engineering,and Computer Modeling in Engineering&Sciences(CMES)is a suitable journal for this special issue. | Joel Conte Frank McKenna Quan Gu | 2019 | Computer Modeling in Engineering & Sciences2019，，9： | 0 |
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