Table of Contents
Journal of Structures
Volume 2014 (2014), Article ID 216549, 17 pages
http://dx.doi.org/10.1155/2014/216549
Research Article

Analytical Modeling of Masonry Infilled RC Frames and Verification with Experimental Data

Department of Civil Engineering, University of Patras, Rio, 26500 Patras, Greece

Received 30 September 2013; Accepted 5 February 2014; Published 22 April 2014

Academic Editor: Zhongwei Guan

Copyright © 2014 S. Skafida et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The assessment of the response of masonry infilled RC frame structures has been a major challenge over the last decades. While several modeling approaches have been proposed, none can cover all aspects observed in the tests. The present paper introduces a simplified model built on the approach established by Crisafulli and Carr (2007) and addresses its calibration and implementation in a nonlinear analysis software for the evaluation of the in-plane lateral response of infilled RC frames. The proposed model uses a set of elements/springs to account separately for the compressive and shear behavior of masonry. The efficiency of the modeling approach is validated with available experimental data, yielding satisfactory matching. The most intricate issue encountered when attempting to represent a masonry panel is the plethora of the material parameters involved and the lack of complete and available test results. Thus, the numerical investigation is accompanied by a parametric study on the sensitivity of the model to the various parameters to identify the critical modeling quantities and provide guidance on their selection.