Enhancing seismic resilience of buildings using prefabricated foamed concrete infill walls in earthquake-prone Indonesia

Abstract

Indonesia is highly exposed to seismic hazards, requiring building systems that can improve structural safety while remaining feasible for widespread application. This study investigates the effectiveness of prefabricated foamed concrete infill walls in enhancing the seismic resilience of buildings in earthquake-prone regions of Indonesia. The research integrates material characterization, structural performance assessment, and seismic response analysis to evaluate the role of lightweight prefabricated infill systems in reducing seismic demand on structural frames. Experimental testing and numerical simulations were conducted to analyze load–displacement behavior, energy dissipation capacity, and damage patterns under earthquake loading scenarios representative of Indonesian seismic conditions. The results demonstrate that the use of prefabricated foamed concrete infill walls significantly improves lateral stiffness and energy dissipation while reducing structural damage and overall seismic vulnerability. Compared to conventional infill systems, the proposed approach offers improved constructability, reduced structural mass, and enhanced post-earthquake functionality. This study provides evidence that integrating prefabricated foamed concrete infill walls into building design can serve as an effective and scalable strategy to enhance seismic resilience in developing, high-risk seismic regions, supporting safer and more sustainable built environments in Indonesia.

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