| 砌体结构房屋加固足尺实验模型数值模拟 |
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| 引用本文： | 閤东东,陈曦,苗启松,李文峰. 砌体结构房屋加固足尺实验模型数值模拟[J]. 华中科技大学学报(城市科学版), 2011, 28(3) |
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| 作者姓名： | 閤东东 陈曦 苗启松 李文峰 |
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| 作者单位： | 北京市建筑设计研究院,北京,100045 |
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| 基金项目： | 北京市博士后工作经费资助项目 |
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| 摘 要： | 对采用外套预制结构加固的砌体结构足尺实验模型进行了数值模拟研究,研究结果表明加固效果良好,加固后原砌体结构的地震响应大大减小.外套结构采用了预制装配技术,包括预制钢筋混凝土墙片、阳台楼板等.其中,预制钢筋混凝土墙片之间采用角钢和抗剪键焊接连接,进行砌体结构横墙加固；在预制墙片和砌体原纵墙之间设置抗剪键进行纵墙加固.基于通用有限元软件ABAQUS对该模型进行了动力分析,分析结果表明,加固后结构纵横墙两个方向的基底剪力绝大部分由外套结构承担,原砌体结构承担剪力得到有效削弱,大大提高了原结构抗震能力.
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| 关 键 词： | 砌体结构 预制装配式 抗震加固 数值模拟 外套结构 |
Numerical Research on a Full-scale Masonry Building Retrofitted by External Precast Structure |
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| GE Dong-dong,CHEN Xi,MIAO Qi-song,LI Wen-feng. Numerical Research on a Full-scale Masonry Building Retrofitted by External Precast Structure[J]. Journal of Huazhong University of Science and Technology, 2011, 28(3) |
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| Authors: | GE Dong-dong CHEN Xi MIAO Qi-song LI Wen-feng |
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| Affiliation: | GE Dong-dong,CHEN Xi,MIAO Qi-song,LI Wen-feng(Beijing Institute of Architectural Design,Beijing 100045,China) |
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| Abstract: | Numerical simulation of a full-scale masonry building strengthened by external prefabricated structure is carried out.The results show that seismic response o f original masonry building is mitigated effectively after reinforcement.The st rengthen technology has achieved good effects.Prefabricated technology is appli ed in external structure.The precast structural elements include reinforced con crete panels,balcony slabs et al.Different prefabricated panels are welded tog ether through angle steel and shea... |
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| Keywords: | masonry building prefabricated technology seismic retrofit numerical research external structure |
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