Mechanical Performance of Confined Autoclaved Fly-Ash-Brick Masonry Walls under Cyclic Loading

In order to solve the limitations of masonry structures, such as poor seismic performance, complicated construction techniques, and energy wastage of wall materials, a new type of confined autoclaved fly-ash-brick wall was proposed and its mechanical performance was analyzed. An axial compression te...

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Autores principales:	Bo Wen, Lu Zhang, Ditao Niu, Guanyi Gao, Yongkang Kang, Daming Luo
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	fly-ash-brick axial compression test low-cyclic loading test numerical simulation mechanical performance Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/2205de4fa6d641ed8305cddd7fbab0df
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spelling	oai:doaj.org-article:2205de4fa6d641ed8305cddd7fbab0df2021-11-25T16:31:32ZMechanical Performance of Confined Autoclaved Fly-Ash-Brick Masonry Walls under Cyclic Loading10.3390/app1122105602076-3417https://doaj.org/article/2205de4fa6d641ed8305cddd7fbab0df2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/22/10560https://doaj.org/toc/2076-3417In order to solve the limitations of masonry structures, such as poor seismic performance, complicated construction techniques, and energy wastage of wall materials, a new type of confined autoclaved fly-ash-brick wall was proposed and its mechanical performance was analyzed. An axial compression test of autoclaved fly-ash-brick short columns was carried out to analyze the failure mode and obtain the constitutive parameters of the brick. Meanwhile, a low-cyclic loading test of an assembly using an autoclaved fly-ash-brick wall was carried out to prove the correctness of the numerical model. Under multiple influencing parameters, the seismic performance of the assembly of autoclaved fly-ash-brick walls was analyzed by a numerical-simulation method. The results show that (1) the seismic performance of the assembled autoclaved fly-ash-brick walls is better than that of cast-in-place masonry walls; (2) low-strength mortar leads to premature cracking, which is unfavorable to earthquake resistance of the walls; and (3) the bearing capacity of the wall is increased and then decreased with the increase of the vertical compressive stress, so the number of layers of brick masonry structural should be limited. In addition, some construction measures were proposed to improve the mechanical performance of assembled autoclaved fly-ash-brick walls.Bo WenLu ZhangDitao NiuGuanyi GaoYongkang KangDaming LuoMDPI AGarticlefly-ash-brickaxial compression testlow-cyclic loading testnumerical simulationmechanical performanceTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10560, p 10560 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	fly-ash-brick axial compression test low-cyclic loading test numerical simulation mechanical performance Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	fly-ash-brick axial compression test low-cyclic loading test numerical simulation mechanical performance Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Bo Wen Lu Zhang Ditao Niu Guanyi Gao Yongkang Kang Daming Luo Mechanical Performance of Confined Autoclaved Fly-Ash-Brick Masonry Walls under Cyclic Loading
description	In order to solve the limitations of masonry structures, such as poor seismic performance, complicated construction techniques, and energy wastage of wall materials, a new type of confined autoclaved fly-ash-brick wall was proposed and its mechanical performance was analyzed. An axial compression test of autoclaved fly-ash-brick short columns was carried out to analyze the failure mode and obtain the constitutive parameters of the brick. Meanwhile, a low-cyclic loading test of an assembly using an autoclaved fly-ash-brick wall was carried out to prove the correctness of the numerical model. Under multiple influencing parameters, the seismic performance of the assembly of autoclaved fly-ash-brick walls was analyzed by a numerical-simulation method. The results show that (1) the seismic performance of the assembled autoclaved fly-ash-brick walls is better than that of cast-in-place masonry walls; (2) low-strength mortar leads to premature cracking, which is unfavorable to earthquake resistance of the walls; and (3) the bearing capacity of the wall is increased and then decreased with the increase of the vertical compressive stress, so the number of layers of brick masonry structural should be limited. In addition, some construction measures were proposed to improve the mechanical performance of assembled autoclaved fly-ash-brick walls.
format	article
author	Bo Wen Lu Zhang Ditao Niu Guanyi Gao Yongkang Kang Daming Luo
author_facet	Bo Wen Lu Zhang Ditao Niu Guanyi Gao Yongkang Kang Daming Luo
author_sort	Bo Wen
title	Mechanical Performance of Confined Autoclaved Fly-Ash-Brick Masonry Walls under Cyclic Loading
title_short	Mechanical Performance of Confined Autoclaved Fly-Ash-Brick Masonry Walls under Cyclic Loading
title_full	Mechanical Performance of Confined Autoclaved Fly-Ash-Brick Masonry Walls under Cyclic Loading
title_fullStr	Mechanical Performance of Confined Autoclaved Fly-Ash-Brick Masonry Walls under Cyclic Loading
title_full_unstemmed	Mechanical Performance of Confined Autoclaved Fly-Ash-Brick Masonry Walls under Cyclic Loading
title_sort	mechanical performance of confined autoclaved fly-ash-brick masonry walls under cyclic loading
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2205de4fa6d641ed8305cddd7fbab0df
work_keys_str_mv	AT bowen mechanicalperformanceofconfinedautoclavedflyashbrickmasonrywallsundercyclicloading AT luzhang mechanicalperformanceofconfinedautoclavedflyashbrickmasonrywallsundercyclicloading AT ditaoniu mechanicalperformanceofconfinedautoclavedflyashbrickmasonrywallsundercyclicloading AT guanyigao mechanicalperformanceofconfinedautoclavedflyashbrickmasonrywallsundercyclicloading AT yongkangkang mechanicalperformanceofconfinedautoclavedflyashbrickmasonrywallsundercyclicloading AT damingluo mechanicalperformanceofconfinedautoclavedflyashbrickmasonrywallsundercyclicloading
_version_	1718413123290923008

Mechanical Performance of Confined Autoclaved Fly-Ash-Brick Masonry Walls under Cyclic Loading

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