Experimental study on seismic performance of strengthening masonry wall using hybrid fiber-reinforced reactive powder concrete

被引：7
作者：
Wang, Xin [1 ,2 ]
Xie, Qun [3 ]
Wu, Zhenli [4 ]
Bu, Fanyang [5 ]
Wang, Fei [6 ]
机构：
[1] Shandong Jianzhu Univ, Sch Civil Engn, Jinan, Peoples R China
[2] Shandong Jianzhu Univ, Minist Educ, Key Lab Bldg Struct Retrofitting & Underground Sp, Jinan, Peoples R China
[3] Univ Jinan, Sch Civil Engn & Architecture, Jinan, Peoples R China
[4] Tongji Univ, Coll Civil Engn, 1239 Siping Rd, Shanghai 200092, Peoples R China
[5] Jiangsu Huasheng Architectural Design Co Ltd, Xuzhou, Jiangsu, Peoples R China
[6] China Construct Sci & Technol Co Ltd, Beijing, Peoples R China
来源：
EARTHQUAKE SPECTRA | 2021年 / 37卷 / 03期
关键词：
Seismic performance; confined masonry wall; strengthen; cyclic loading; hybrid fiber-reinforced reactive powder concrete; ENGINEERED CEMENTITIOUS COMPOSITES; PRECAMBERED STEEL PLATES; SHEAR CAPACITY; COLUMNS; GFRP;
D O I：
10.1177/8755293020988012
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
An experimental study was conducted to investigate the seismic performance of masonry walls strengthened using hybrid fiber-reinforced reactive powder concrete (HyFRRPC) as a coating. The proposed reinforcement technique was employed to improve the overall strength and structural integrity of the confined masonry wall. In order to guarantee the composite action between the masonry substrate and the coating material, material tests were conducted to achieve an optimal mixture for the HyFRRPC. Then, six full-scaled confined masonry specimens strengthened by HyFRRPCs with varied strengthening configurations were tested under in-plane quasi-static horizontal loading. The test and analysis results indicated that the proposed HyFRRPC-strengthening technique can effectively improve the lateral carrying capacity, displacement ductility, and energy dissipation capacity of masonry walls, and provide an optimal reinforcement. Finally, a simplified analytical model was also proposed for practical application.
引用
收藏
页码：1785 / 1805
页数：21
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