装配式UHPC空心剪力墙水平接缝试验研究
Experimental Research on Horizontal Connection for Prefabricated UHPC Hollow Shear Walls
程亮 1赵李源 1王卫 2魏文晖2
作者信息
- 1. 中国电力工程顾问集团中南电力设计院有限公司,武汉 430071
- 2. 武汉理工大学土木工程与建筑学院,武汉 430070
- 折叠
摘要
提出了一种应用于装配式超高性能混凝土(UHPC)空心剪力墙水平接缝的连接形式.对带有水平接缝的装配式UHPC空心剪力墙试件和同等尺寸的现浇UHPC空心剪力墙试件进行了拟静力试验,以研究其破坏形式和受力机理,并进行分析对比.结果表明:灌浆U形筋连接的装配式UHPC剪力墙试件的抗侧刚度和屈服荷载与现浇剪力墙试件基本相同,但由于水平接缝的存在,两者极限荷载和破坏状态存在差异;两者的滞回曲线均较为充实,骨架曲线趋势基本一致;在灌浆U形筋连接装配式UHPC空心剪力墙实际工程应用中,可等同于同尺寸的现浇UHPC空心剪力墙进行设计.
Abstract
A connection node for horizontal joints in prefabricated ultra-high-performance concrete(UHPC)hollow shear walls was proposed.The prefabricated UHPC hollow shear wall specimen with horizontal joint joints and the cast-in-place UHPC hollow shear wall specimen of the same size were tested by pseudo-static tests to study the failure mode and mechanical mechanism,and to analyze and compare.The results show that the lateral stiffness and yield load of the pre-fabricated UHPC shear wall specimens connected with grouted U-shaped bars are basically the same as those of the cast-in-place shear wall specimens,but the ultimate load and failure state of the two specimens are different due to the exist-ence of horizontal joints.The hysteresis curves of both are relatively full,and the trend of the skeleton curve is basically consistent.In the practical engineering application of grouting U-bar connected prefabricated UHPC hollow shear wall,the design can be equivalent to that of cast-in-place UHPC hollow shear wall of the same size.
关键词
水平接缝/超高性能混凝土/装配式空心剪力墙/拟静力试验Key words
horizontal joint/UHPC/prefabricated hollow shear wall/quasi-static test引用本文复制引用
出版年
2024
NETL
NSTL
万方数据