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

页码：2028 / 2043

页数：16

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