竖向分布钢筋不连接装配整体式剪力墙结构弹塑性时程分析

引用文献:

丁陶, 肖建庄, 曹志伟, 房海波 ,朱彤. 竖向分布钢筋不连接装配整体式剪力墙结构弹塑性时程分析[J]. 建筑结构,2023,48(05):19-23.

DING Tao ,XIAO Jianzhuang, CAO Zhiwei ,FANG Haibo, ZHU Tong. Elastic-plastic time-history analysis of monolithic assembled concrete shear wall structure with non-connected vertical distribution reinforcement[J]. Building Structure,2023,48(05):19-23.

作者:丁陶, 肖建庄, 曹志伟, 房海波 ,朱彤
单位:同济大学土木工程学院建筑工程系 ,中国建筑第八工程局第二建设有限公司 ,中国建筑股份有限公司
摘要:竖向分布筋不连接装配整体式剪力墙(SGBL装配整体式剪力墙)特点包括:剪力墙中竖向分布钢筋在楼层处断开连接,两端边缘构件采用现浇做法同时加大主筋配筋,因此SGBL装配整体式剪力墙内部不需要采用传统的装配整体式剪力墙竖向钢筋连接方式,极大提高了施工效率。以某实际工程为研究对象,通过ETABS软件对SGBL装配整体式剪力墙结构模型开展动力弹塑性时程分析,验证了SGBL装配整体式剪力墙结构在大震作用下的抗震安全性。不同地震工况分析结果表明,罕遇地震工况下模型层间位移角满足弹塑性层间位移角1/120限值要求,SGBL装配整体式剪力墙结构模型底部坐浆层保持完好,满足安全性能要求。
关键词:SGBL装配整体式剪力墙;抗震性能;竖向分布钢筋不连接;实际工程;弹塑性时程分析;
作者简介:丁陶,博士,副教授,主要从事绿色建造方面的研究工作,Email:tding@tongji.edu.cn。
基金:山东省重点研发计划课题:绿色智能建造和建筑工业化关键技术与成套设备(2021CXGC011205)。
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Elastic-plastic time-history analysis of monolithic assembled concrete shear wall structure with non-connected vertical distribution reinforcement
DING Tao ,XIAO Jianzhuang, CAO Zhiwei ,FANG Haibo, ZHU Tong
(Department of Structural Engineering, College of Civil Engineering, Tongji University The Second Construction Limited Company of China Construction Eighth Engineering Division China State Construction Engineering Co., Ltd.)
Abstract: The characteristics of the monolithic assembled concrete shear wall structure with non-connected vertical distribution reinforcement(SGBL monolithic assembly shear wall) include that the vertical distribution reinforcements are unconnected at the floor, the boundary elements at both ends are cast-in-situ and the main reinforcement is increased at the same time. Therefore, SGBL monolithic assembly shear wall structure does not need to adopt the vertical reinforcement connection mode of traditional monolithic assembled concrete shear wall structure, which greatly improves the construction efficiency. Taking a practical engineering as the research object, the dynamic elastic-plastic time-history analysis of SGBL monolithic assembly shear wall structure model was carried out by ETABS software, and the seismic safety of SGBL monolithic assembly shear wall structure under rare earthquakes was verified. The analysis results under different seismic action conditions show that the model interlayer displacement angle meets the 1/120 limit value of elastic-plastic interlayer displacement angle under rare earthquakes, and the bed-mortar connection layer of SGBL monolithic assembly shear wall structure model remains intact, meeting the safety performance requirements.
Keywords: SGBL monolithic assembled shear wall; seismic performance; non-connected vertical distribution reinforcement; practical engineering; elastic-plastic time-history analysis
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