Seismic assessment of masonry infilled frame structures

Seismic assessment of masonry infilled frame structures

Galal AL-MEKHLAFI, Mohammed AL-OSTA, Hamdi AL-SAKKAF

Abstract. Some existing residential buildings have not been designed to withstand potential earthquakes, making it crucial to evaluate the impact of infill walls on their seismic performance. This study focuses on the seismic evaluation of unreinforced masonry infilled reinforced concrete (RC) frames using a micro-modeling approach with ABAQUS software. Two types of infill walls were examined: one consisting of a stone masonry layer and concrete blocks, and another composed solely of concrete blocks. The study generated nonlinear force-displacement curves to illustrate the impact of infill walls on structural stiffness. Results showed that both types of infill significantly enhance lateral stiffness and reduce drift demands, demonstrating their critical role in the seismic performance of infilled frames.

Keywords
Seismic Evaluation, Infilled RC Frames, Lateral Stiffness, Finite Element Analysis

Published online 2/25/2025, 9 pages
Copyright © 2025 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Galal AL-MEKHLAFI, Mohammed AL-OSTA, Hamdi AL-SAKKAF, Seismic assessment of masonry infilled frame structures, Materials Research Proceedings, Vol. 48, pp 191-199, 2025

DOI: https://doi.org/10.21741/9781644903414-22

The article was published as article 22 of the book Civil and Environmental Engineering for Resilient, Smart and Sustainable Solutions

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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