期刊
ENGINEERING STRUCTURES
卷 262, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2022.114329
关键词
Masonry; Infill walls; Non-ductile; Reinforced concrete frames; Truss model; Zero-length macroelement
资金
- Colombian government [PCB 2011-2-2012-2]
- COL-CIENCIAS [568: 2013-1-2016-1]
This paper presents a new modeling approach for masonry-infilled, reinforced concrete frames based on the nonlinear truss analogy. The approach is validated through analysis of experimentally tested frames and its capability in capturing strength and damage patterns is evaluated.
This paper presents a new modeling approach for masonry-infilled, reinforced concrete (RC) frames, based on the nonlinear truss analogy. The unreinforced masonry infill walls are modeled with truss cells containing horizontal, vertical and inclined elements. Zero-length macroelements are also used to account for the localized damage on mortar joints. The frame members are modeled with a recently proposed scheme that can account for inelastic response and can capture the effect of shear damage and failure of RC columns. The modeling approach is validated through analysis of experimentally tested masonry-infilled frames, and its capability in capturing the strength and damage patterns is evaluated. A sensitivity study is also provided, to elucidate the impact of several model parameters on the obtained analytical results.
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