Seismic performance of brick masonry walls considering the influence of cast-in-situ floor slabs

doi:10.11835/j.issn.1000-582X.2023.04.007

Home > Archive>Volume 46, Issue 4, 2023 >64-77. DOI:10.11835/j.issn.1000-582X.2023.04.007

Seismic performance of brick masonry walls considering the influence of cast-in-situ floor slabs
DOI:
                        10.11835/j.issn.1000-582X.2023.04.007
                    
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Author:
                        ZHANG Yitian1,2ZHANG Yitian
Hunan Construction Investment Group, Changsha 410029, Hunan,P. R. China;College of Civil Engineering, Hunan University, Hunan University, Changsha 410082, Hunan, P. R. China
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XIE Yuancong2XIE Yuancong
College of Civil Engineering, Hunan University, Hunan University, Changsha 410082, Hunan, P. R. China
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ZHANG Wangxi2,3ZHANG Wangxi
College of Civil Engineering, Hunan University, Hunan University, Changsha 410082, Hunan, P. R. China;Key Lab on Diagnosis for Engineering Structures of Hunan Province, Hunan University, Changsha 410082, Hunan, P. R. China
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HE Chao2HE Chao
College of Civil Engineering, Hunan University, Hunan University, Changsha 410082, Hunan, P. R. China
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YUE Fenghua2YUE Fenghua
College of Civil Engineering, Hunan University, Hunan University, Changsha 410082, Hunan, P. R. China
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CHEN Leqiu4CHEN Leqiu
PetroChina Hunan Marketing Company, Changsha, Hunan 410005,P.R. China
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YI Weijian2,3YI Weijian
College of Civil Engineering, Hunan University, Hunan University, Changsha 410082, Hunan, P. R. China;Key Lab on Diagnosis for Engineering Structures of Hunan Province, Hunan University, Changsha 410082, Hunan, P. R. China
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Affiliation:1.Hunan Construction Investment Group, Changsha 410029, Hunan,P. R. China;2.College of Civil Engineering, Hunan University, Hunan University, Changsha 410082, Hunan, P. R. China;3.Key Lab on Diagnosis for Engineering Structures of Hunan Province, Hunan University, Changsha 410082, Hunan, P. R. China;4.PetroChina Hunan Marketing Company, Changsha, Hunan 410005,P.R. China
Clc Number:TU362
Fund Project:Supported by National Natural Science Foundation of China(52078201).

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Abstract:

With the help of finite element software ABAQUS, the numerical analysis results of the finite element model of the masonry walls were compared with the experimental results to verify the reliability of the finite element simulation. Based on this, the effects of the cast-in-situ floor slabs, the strength of mortar, the cross-sectional dimension of ring beams, the vertical compressive stress on the top of walls, and the opening and aspect ratios of walls on the seismic performance of masonry walls were investigated. The results show that the cast-in-situ slabs, the constructional columns and ring beams form a complete structure, strengthening the constraint on the wall sheet and reducing the damage. The bearing capacity and ductility of walls increase with the increase of mortar strength. Appropriate cross-sectional dimension of ring beam and vertical compressive stress on the top of walls can effectively reduce the damage of masonry walls. The bearing capacity and displacement ductility of walls decrease with the opening of walls. The bearing capacity of walls decreases with the increase of the aspect ratio of walls. At the same time, the main failure mode of walls changes from shearing failure to bending failure.

Key words:structural engineering;cast-in-situ floor slabs;finite element analysis;masonry structure;seismic performance

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张倚天,解圆聪,张望喜,何超,岳风华,陈乐球,易伟建.考虑现浇楼板影响的砖砌墙体抗震性能研究[J].重庆大学学报,2023,46(4):64~77

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Received:November 09,2022
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Online: May 12,2023
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