Baiq Sri Umniati, Siti Nur Rahmah Anwar, Mohammad Sulton, Roro Sulaksitaningrum, Dewi Kartika Sari, Mohd Haziman Wan Ibrahim
Panel walls made of normal-weight concrete have the weakness of large volume weight. Therefore, panel walls made of lightweight materials are needed to overcome this weakness. The aim of this study is to investigate the shear behavior of lightweight panel walls under lateral static loads. A total of six lightweight concrete wall panels were made using Styrofoam granules and fly ash as partial replacements for aggregate and cement, respectively. The independent variable in this study is the type of reinforcement namely plain and deformed reinforcement. The concrete mix design is based on SNI 03-3499-2002. The study’s results showed that deformed reinforced panel walls’ maximum lateral load capacity is 24% higher than plain reinforced panel walls. The panel wall with deformed reinforcement has a maximum average load capacity of 22.077 KN, while the plain reinforced panel wall is 16.660 KN. The global shear stiffness of the deformed reinforced panel wall is higher than that of the plain reinforced panel wall, which is an average of 4.64 KN/mm, while the plain reinforced panel wall is 3.53 KN/mm. The ultimate shear strength of the reinforced panel wall that experiences deformation is 23% higher than that of the plain reinforced panel wall, which is an average of 0.0356 KN/mm, while the plain reinforced panel wall is 0.0277 KN/mm. However, the average ductility value of the deformed reinforced panel wall is 1.71, lower than that of the plain reinforced panel wall, which is 2.87. © The Author(s) 2026.
Department of Civil Engineering and Planning, State University of Malang, 5 Semarang str., Malang, 65145, Indonesia; Department of Civil Engineering, Faculty of Civil Engineering & Built Environment, Universiti Tun Hussein Onn Malaysia, Parit Raja, Johor, Batu Pahat, 86400, Malaysia
