1. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China 2. Greentown China Holdings Limited, Hangzhou 310007, China
Two masonry structures with different boundary restraints were designed and manufactured, and experimental study was then carried out. By using the refined finite element model (FEM), the mechanical behavior of the masonry structures subjected to horizontal loading was analyzed and compared with the experimental results to verify the FEM. Suitability assessment of the two equivalent strut models for masonry structure was carried out. The experimental study and theoretical analysis show that, under the boundary restraint of steel-tube-bundle shear wall, the failure of the masonry structure was initiated by the separation from the surrounding constraints, and then the inside diagonal cracking formed. Furthermore, the masonry structure performed significant diagonal bracing effect. In comparison with the single-strut model, the three-strut model with appropriate parameters can accurately reflect the mechanical characteristics of the masonry structure under lateral load.
Yong CHEN,Yong-quan LI,Chong-lei XIE,Kuang-liang QIAN,Ye-sheng ZHANG,Peng-yun CHENG,Xuan-zuo YE. Pushover test study of masonry structure restrained by steel-tube-bundle shear walls. Journal of ZheJiang University (Engineering Science), 2020, 54(3): 499-511.
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