Cyclic load tests and seismic performance of recycled aggregate concrete (RAC) columns

被引：30
|
作者：
Liu, Chao [1 ,2 ]
Fan, Jincheng [1 ]
Bai, Guoliang [1 ]
Quan, Zonggang [2 ]
Fu, Guangming [2 ]
Zhu, Chao [1 ]
Fan, Ziyu [1 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Civil Engn, 13 Yanta Rd, Xian 710055, Shaanxi, Peoples R China
[2] Xian Res & Design Inst Wall & Roof Mat, 6 Changan Nan Rd, Xian 710055, Shaanxi, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2019年 / 195卷
基金：
中国国家自然科学基金;
关键词：
Recycled aggregate concrete (RAC) columns; Recycled coarse aggregate (RCA); Column; Cyclic loading; Seismic performance; SECTION STEEL; BOND BEHAVIOR; STRENGTH; JOINTS; BEAMS;
D O I：
10.1016/j.conbuildmat.2018.10.078
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper, four one-two-scale recycled aggregate concrete (RAC) columns were prepared and tested under reversed quasi-static cyclic loading. Three levels of recycled coarse aggregate (RCA) replacement ratios (0%, 50% and 100%) and two axial load ratios (0.15 and 0.35) were considered to investigate and analyze the seismic performance of RAC columns. The test results indicate that the failure process of RAC columns is similar to that of natural aggregate concrete (NAC) columns and presented satisfactory seismic requirements in terms of hysteresis behavior, ductility and energy dissipation capacity. The results also show that the RCA replacement ratios effect on seismic is significant, and the axial load ratio had an obvious influence on the energy dissipation capacity and shear deformation of the columns. Therefore, the axial load ratio must be controlled strictly in seismic design. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：682 / 694
页数：13
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