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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 108
PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING
Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping
Paper 69

The Effect of Openings on the In-Plane Behavior and Strength of Masonry Infills

X. Chen and Y. Liu

Department of Civil and Resource Engineering, Dalhousie University, Halifax, Canada

Full Bibliographic Reference for this paper
X. Chen, Y. Liu, "The Effect of Openings on the In-Plane Behavior and Strength of Masonry Infills", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 69, 2015. doi:10.4203/ccp.108.69
Keywords: concrete masonry infills, openings, in-plane behaviour, stiffness and strength, reduction factor, finite element, analytical method.

Summary
This paper presents the results of a finite element study conducted to investigate the in-plane behaviour and strength of concrete masonry infills bounded by steel frames with attention paid to 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 an opening decreased the in-plane stiffness and strength of the infill and that the trend of reduction was associated with the location of the opening. A simple analytical method was proposed to define the relationship between the reduction factor in the stiffness and strength and the 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.

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