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A platform for research: civil engineering, architecture and urbanism
Highlights A finite element model was developed for in-plane behaviour of concrete masonry infills bounded by steel frames. A parametric study on the effect of opening size and location on the stiffness and strength of the infill was conducted. A analytical method was proposed for the determination of reduction factors on the stiffness and strength due to openings. The proposed method outperformed other existing methods in evaluating both stiffness and strength reduction due to openings.
Abstract A finite element study was conducted to investigate the in-plane behaviour and strength of concrete masonry infills bounded by steel frames with the focus on the infills with openings. The effect of the size and location of openings on the stiffness and strength of the infilled frames was studied. The results showed that the presence of opening decreased the in-plane stiffness and strength of the infill and the degree of this reduction was associated with the location of the opening. Based on regression analysis on finite element model results, a simple analytical method was proposed to define the relationship between the reduction factor in the stiffness and strength and opening size and location. The efficacy of the proposed equation and other existing analytical models was evaluated using experimental results in the available literature. The proposed method was shown to provide the best overall performance when compared with experimental data for both stiffness and strength estimate.
Highlights A finite element model was developed for in-plane behaviour of concrete masonry infills bounded by steel frames. A parametric study on the effect of opening size and location on the stiffness and strength of the infill was conducted. A analytical method was proposed for the determination of reduction factors on the stiffness and strength due to openings. The proposed method outperformed other existing methods in evaluating both stiffness and strength reduction due to openings.
Abstract A finite element study was conducted to investigate the in-plane behaviour and strength of concrete masonry infills bounded by steel frames with the focus on the infills with openings. The effect of the size and location of openings on the stiffness and strength of the infilled frames was studied. The results showed that the presence of opening decreased the in-plane stiffness and strength of the infill and the degree of this reduction was associated with the location of the opening. Based on regression analysis on finite element model results, a simple analytical method was proposed to define the relationship between the reduction factor in the stiffness and strength and opening size and location. The efficacy of the proposed equation and other existing analytical models was evaluated using experimental results in the available literature. The proposed method was shown to provide the best overall performance when compared with experimental data for both stiffness and strength estimate.
Numerical study of in-plane behaviour and strength of concrete masonry infills with openings
Engineering Structures ; 82 ; 226-235
2014-10-23
10 pages
Article (Journal)
Electronic Resource
English
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