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灌浆套筒连接全装配式框架-剪力墙结构抗震性能试验研究
  • ISSN号:1000-4750
  • 期刊名称:《工程力学》
  • 时间:0
  • 分类:TU375.4[建筑科学—结构工程] TU317.1[建筑科学—结构工程]
  • 作者机构:[1]东南大学混凝土及预应力混凝土结构教育部重点实验室,南京210096, [2]中国十七冶集团有限公司,安徽马鞍山243000
  • 相关基金:国家自然科学基金项目(51278118); 中国中冶“三五”重大科技专项项目(中冶科[2013]1号)
中文摘要:

为研究采用灌浆套筒连接的全装配式框架-剪力墙结构的抗震性能,设计制作了1榀1/2比例两层两跨灌浆套筒连接全装配式框-剪结构模型试件PC-3,并对其进行了低周反复加载试验。通过与已有试验结果对比分析,研究了结构的破坏模式、滞回性能、刚度退化、位移延性和耗能能力等抗震性能指标。结果表明:灌浆套筒连接全装配式框-剪结构试件PC-3与全现浇试件RCFW的破坏模式基本相同,梁端塑性铰长度减小、位置外移,具有良好的耗能能力和较好的刚度特性,试件PC-3的屈服荷载、峰值荷载、极限荷载均略大于全现浇试件RCFW的相应值,但其差值均小于5.0%,延性略小于全现浇试件RCFW,加载过程中耗能较为平稳。两种全装配式框-剪结构均具有良好的抗震性能,工程实践中可供设计人员选择采用。

英文摘要:

A cyclic lateral loading test was conducted on a full precast shear wall-frame structure specimen PC-3, which is a half-scale two-story two-bay RC shear wall-frame structure specimen with prefabricated shear wall panels and prefabricated frames, and in which all the longitudinal reinforcement in the frames were spliced by grout-filled sleeves. The seismic behaviors were studied comparing with existing experimental results, including the failure mode, hysteretic response, stiffness degradation, displacement ductility and energy dissipation capacities. All these parameters were compared with those of RCFW and PCFW2 studied in a companion paper. The test results show that the specimen PC-3 has a similar failure mode as the specimen RCFW, but exhibits shorter plastic hinges. The positions of the plastic hinges are shifted out. The test results also show that PC-3 has better energy dissipation capacity than RCFW. The seismic characteristic values such as the yield load, peak load, and ultimate load of PC-3 are larger than those of RCFW, but the difference is less than 5.0%. The displacement ductility of PC-3 is slightly less than that of RCFW, and the energy dissipation capacity of PC-3 grew more steadily during the whole loading process. The experimental investigation indicates that the two kinds of full precast shear wall-frame structures proposed in this paper and the companion paper have good seismic performance, and either of them can be chosen by designers when needed.

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期刊信息
  • 《工程力学》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国力学学会
  • 主编:袁驷
  • 地址:北京清华大学新水利馆114号
  • 邮编:100084
  • 邮箱:gclxbjb@tsinghuae.du.cn
  • 电话:010-62788648
  • 国际标准刊号:ISSN:1000-4750
  • 国内统一刊号:ISSN:11-2595/O3
  • 邮发代号:82-862
  • 获奖情况:
  • 1999年获在物理、力学类刊物中影响因子位居第二(0...
  • 国内外数据库收录:
  • 荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊(2004版),中国北大核心期刊(2008版),中国北大核心期刊(2011版),中国北大核心期刊(2014版),中国北大核心期刊(2000版)
  • 被引量:32789