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Ashar Saputra
Universitas Gajah Mada
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Journal : Civil Engineering Dimension

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Finite Element Analysis of Plastic Behavior in RC Beam Supports with Composite Steel Deck Slabs under Cyclic Loading Brihaspati, Brihaspati; Saputra, Ashar; Setiawan, Angga Fajar; Sulistyo, Djoko
Civil Engineering Dimension Vol. 28 No. 1 (2026): MARCH 2026
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.28.1.34-45

Abstract

The performance of beam supports is essential for seismic resilience, particularly under the Strong Column–Weak Beam (SCWB) principle. To improve construction efficiency, steel deck-based composite slabs are increasingly adopted as alternatives to conventional slabs. However, their impact on the plastic behavior of beam supports remains underexplored. This study evaluates the influence of steel deck slabs using finite element analysis in ABAQUS. Two beam-column joint models—conventional and modified—were subjected to cyclic loading according to FEMA 461. The models incorporated stiffness recovery, combined hardening for steel, and a cohesive zone model (CZM) for the concrete–steel deck interface. Results indicate that the steel deck model shows a wider hysteresis loop and 2.425% higher energy dissipation, but experiences earlier reinforcement yielding and greater stiffness degradation. Although ductility increases, plastic hinges form at nearly the same cycle. Overall, the steel deck system improves energy absorption and ductility but reduces elastic stiffness and accelerates inelastic behavior.
Co-Authors Adityawan, Muh. Handy Dwi Agus Darmawan Adi Andreas Triwiyono Arianto, Niky Brihaspati, Brihaspati Djoko Sulistyo Firman Syarif Gabriella Agnes Luvena, Gabriella Agnes Hariyanto, Gatot Henricus Priyosulistyo, Henricus Hermansyah Hermansyah Iman Satyarno M.Fauzie Siswanto, M.Fauzie Muhammad, Heidi Nurokhman, Nurokhman Pasya, Namira Risza Pratama, Hamdi Y. Putra, Whelly T. Putri, Andini Pratiwi Richo Andi Wibowo Rimindubby, Vriska D.S Satmoko, Tranggono Aji Setiawan, Angga F. Setiawan, Angga Fajar Siswanto, Muhammad Fauzie Suprapto Siswosukarto