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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Teknik Journal of Applied Materials and Technology Journal of the Civil Engineering Forum SAINSTEK Journal of Infrastructure and Construction Technology
Kamaldi, Alfian
Universitas Riau
Arts Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering

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Finite Element-Based Validation of Infill Wall Material Model for Seismic Response Analysis of Reinforced Concrete Frames Ridwan, Ridwan; Wulandari, Chrisfella; Jemaa, Yaser; Wanda Putri, T. Sy. Zahiyyah Aini; Salsabila, Elsa Attila; Yuniarto, Enno; Kamaldi, Alfian
Journal of Applied Materials and Technology Vol. 7 No. 2 (2026): March 2026
Publisher : Faculty of Engineering Universitas Riau and Applied Materials and Technology Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/Jamt.7.2.58-65

Abstract

Masonry infill walls are commonly used in reinforced concrete (RC) frame buildings for both architectural and environmental reasons.  Although many consider RC systems to be non-structural, their interaction with surrounding frames can have a significant impact on their lateral stiffness, strength, and seismic performance. This can lead to stiffness issues and soft-story failures during earthquakes. This study looks at the structural function of masonry infills. It compares the experimental load-displacement backbone curve of an infilled RC frame with numerical predictions from four well-known Equivalent Diagonal Strut (EDS) models: Holmes, Mainstone, Liau and Kwan, and Paulay and Priestley. We looked at how well the models performed for both serviceability (initial stiffness) and ultimate limit states (peak lateral strength). The findings demonstrate a definite trade-off in predictive accuracy. With a mean stiffness ratio of 1.38, the Mainstone model yielded the most accurate estimate of elastic stiffness. The Holmes and Liau and Kwan models, on the other hand, significantly overestimated stiffness (ratio = 1.92). All models were conservative (ratios < 1.0) for peak strength. Holmes and Liau and Kwan produced the closest predictions (ratio = 0.84), while Mainstone was the most conservative (ratio = 0.80). These results indicate that the best choice of EDS model depends on the design goal: Mainstone is better for serviceability assessments, while Holmes and Liau and Kwan provide more realistic predictions for ultimate lateral capacity.
Co-Authors Alex Kurniawandy Alfadh, Mhd Raja Alfadh, Mhd Raja Ali Imron Rusadi Arnef Frenki Azizah Fil Ahlia Bambang Arif Hidayat Bambang Sugiarto Dyna Aulia R Elen Tarisa Enno Yuniarto Fakhri Fakhri Fakhri, Fakhri Gunawan Wibisono Ismeddyanto, Ismeddiyanto Jemaa, Yaser Joni, Mustika Kurniawan, Fahmuji M Hari Bhakti Mardiah, Ramona Marlaily Idris MG, Intan Monica Monita Olivia Muhammad Rizki Novan, Andre Nur Alfikri Pangestu, Hizbulah Pratama, Rudy Satriya Putri, Dhea Triviananda Rani Putri Handayani Reni Suryanita Reny Akmalia Rian Trikomara Iriana Ridwan Ridwan Ridwan Ridwan Ridwan, Ridwan Riska Yulia Salsabila, Elsa Attila Wahyu Rahmadhan, Wahyu Wan Muhammad Nurhud Wanda Putri, T. Sy. Zahiyyah Aini Wulandari, Chrisfella Yogi Saputra, Yogi Yuri Khairizal