Experimental study on the seismic performance of novel precast reinforced concrete grid moment-resisting frames

被引：6
作者：
Fan, Jia-jun [1 ,2 ]
Wu, Gang [1 ,2 ]
Xu, Ao-lin [1 ,2 ]
Feng, De-cheng [1 ,2 ]
Chen, Zhi-peng [1 ,2 ]
机构：
[1] Southeast Univ, Sch Civil Engn, Key Lab Concrete & Prestressed Concrete Struct, Minist Educ, Nanjing, Peoples R China
[2] Southeast Univ, Lab Ind Struct & Bridge Engn Jiangsu Prov, Nanjing, Peoples R China
来源：
STRUCTURAL CONCRETE | 2020年 / 21卷 / 05期
基金：
中国国家自然科学基金;
关键词：
grid moment-resisting frame; precast; quasi-static test; seismic performance; stiffness; COLUMN CONNECTIONS; BEHAVIOR;
D O I：
10.1002/suco.201900258
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A new structure named reinforced concrete grid moment-resisting frame (RC-GMRF) have been adopted in high-rise buildings in China. However, complex construction due to numerous beam-column joints restricts the application of this structure. A novel precast reinforced concrete GMRF (PC-GMRF) is proposed in this paper to solve this problem. Three specimens, including one traditional reinforced concrete moment-resisting frame (RC-MRF) as reference, were tested under reverse cyclic loading to evaluate the seismic performance. All three specimens were designed using the same amount of construction material. The experimental results showed that PC-GMRF exhibited comparable seismic performance with that of RC-GMRF. The load-carrying capacity, initial stiffness and energy dissipation capacity were improved by an average of 43%, 29%, and 21%, respectively, compared with those of RC-MRF. This study indicated that the performance of PC-GMRF was acceptable and could be used in the moment-resisting frame as a novel structure.
引用
收藏
页码：2028 / 2043
页数：16
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