| 钢筋套筒灌浆搭接连接的预制剪力墙抗震试验 |
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| 引用本文： | 余琼,孙佳秋,许雪静,方永青.钢筋套筒灌浆搭接连接的预制剪力墙抗震试验[J].同济大学学报(自然科学版),2018,46(10):1348-1359. |
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| 作者姓名： | 余琼 孙佳秋 许雪静 方永青 |
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| 作者单位： | 同济大学结构工程与防灾研究所 |
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| 基金项目： | 国家自然科学基金资助项目(51322803),National Natural Science Foundation of China(51322803) |
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| 摘 要： | 为改善钢筋灌浆套筒连接的施工便利性,在已研发的内径大、施工方便的Ⅰ和Ⅲ型套筒灌浆搭接连接的基础上,进行了1片现浇剪力墙和2片纵筋采用Ⅰ与Ⅲ型套筒搭接连接的预制剪力墙拟静力试验.结果如下,现浇墙初始裂缝出现在墙底部,而预制墙由于套筒竖向约束,初始裂缝出现在套筒上方,预制墙开裂荷载大于现浇墙;在极限状态时,现浇墙两侧根部混凝土压碎,而预制墙套筒上方混凝土先压碎,后套筒外侧混凝土保护层局部脱落而破坏;预制墙开裂、屈服荷载、极限位移大于现浇墙,极限承载力与现浇墙的基本相同,但延性略差;由于套筒区域边缘构件箍筋及墙身水平钢筋的加密,预制墙的耗能略优于现浇墙;钢筋应变曲线一致性表明,Ⅰ和Ⅲ型套筒在预制混凝土剪力墙中能够很好地传递钢筋应力.
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| 关 键 词： | 预制剪力墙 套筒 环向应变 滞回曲线 开裂荷载 极限位移 |
| 收稿时间： | 2017/7/4 0:00:00 |
| 修稿时间： | 2018/8/28 0:00:00 |
Experimental Study on Seismic Behavior of Precast Shear Walls with Reinforcement Spliced by Grouted Sleeve Lapping Connector |
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| YU Qiong,SUN Jiaqiu,XU Xuejing and FANG Yongqing.Experimental Study on Seismic Behavior of Precast Shear Walls with Reinforcement Spliced by Grouted Sleeve Lapping Connector[J].Journal of Tongji University(Natural Science),2018,46(10):1348-1359. |
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| Authors: | YU Qiong SUN Jiaqiu XU Xuejing and FANG Yongqing |
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| Institution: | Research Institute of Structural Engineering and Disaster Reduction, Tongji University, Shanghai 200092, China,Research Institute of Structural Engineering and Disaster Reduction, Tongji University, Shanghai 200092, China,Research Institute of Structural Engineering and Disaster Reduction, Tongji University, Shanghai 200092, China and Research Institute of Structural Engineering and Disaster Reduction, Tongji University, Shanghai 200092, China |
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| Abstract: | |
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| Keywords: | precast shear wall sleeve hoop strain hysteresis loop cracking load ultimate displacement |
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