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CFRP筋-钢筋混凝土剪力墙基于位移的抗震设计方法研究 被引量:3

Study on displacement-based seismic design method of CFRP-reinforced concrete shear wall
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摘要 与普通钢筋混凝土剪力墙结构相比,CFRP筋-钢筋混凝土剪力墙结构具有较好的抗震性能和可恢复性。基于CFRP筋-钢筋混凝土剪力墙构件的破坏过程和第五代中国地震动参数区划图,提出了更高的抗震设防目标,并将CFRP筋-钢筋混凝土剪力墙结构性能划分为良好使用、微修后使用、修复后使用、生命安全四个水平。利用不同变形指标,统计CFRP筋-钢筋混凝土剪力墙结构在各性能水平下的受力层间位移角限值、层间位移角限值、残余变形限值。采用等效弹性位移反应谱对CFRP筋-钢筋混凝土剪力墙结构进行基于位移的抗震设计,通过算例验证此设计方法用于该结构的可行性。 Compared with ordinary reinforced concrete shear wall structure, CFRP-reinforced concrete shear wall structure has good seismic performance and recoverability. Based on the failure process of CFRP-reinforced concrete shear wall members and the fifth-generation Chinese ground motion parameter zoning map, a higher seismic fortification goal was proposed. And the CFRP-reinforced concrete shear wall structure performance was divided into four levels: good use, use after micro repair, use after repair and life safety. Different deformation indexes were used to calculate the limit value of the physical inter-story displacement angle, the inter-story displacement angle and the residual deformation of the CFRP-reinforced concrete shear wall structure under various performance levels. The equivalent elastic displacement response spectrum was used to carry out the displacement-based seismic design of the CFRP-reinforced concrete shear wall structure, and the feasibility of this design method for the structure was verified through a calculation example.
作者 楚留声 赫约西 赵军 程站起 CHU Liusheng;HE Yuexi;ZHAO Jun;CHENG Zhanqi(School of Civil Engineering,Zhengzhou University,Zhengzhou 450001,China)
出处 《建筑结构》 CSCD 北大核心 2021年第8期57-65,共9页 Building Structure
基金 国家重点研发计划资助(2016YFE0125600) 国家自然科学基金项目(51408556) 教育部创新团队发展计划(IRT16R67) 河南省博士后科研项目(19030029)。
关键词 CFRP筋-钢筋混凝土剪力墙 抗震设计 等效弹性位移反应谱 受力层间位移角 残余变形 CFRP-reinforced concrete shear wall seismic design equivalent elastic displacement response spectrum physical inter-story displacement angle residual deformation
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