Abstract
Abstract Indonesia’s unique geological setting necessitates region-specific approaches to earthquake-resistant building design. This study investigates the comparative structural behavior and design requirements of buildings in Jakarta and Aceh, two regions with contrasting seismic hazards, adhering to the Indonesian seismic code SNI 03-1726-2019. Utilizing ETABS software and the response spectrum method, the research reveals that structures in Aceh, due to the heightened seismic risk, demand larger dimensions (up to 40% increase in column size) compared to those in Jakarta. The analysis also uncovers similar patterns of horizontal and vertical irregularity in both regions. The base shear, a crucial indicator of seismic demand, is notably higher in Aceh (742,781.6 kN) than in Jakarta (588,980.6 kN). Additionally, roof displacement values exhibit variations between the two regions, with Jakarta recording 31.895 mm and 61.518 mm, and Aceh showing 30.542 mm and 56.936 mm. This study shows that regions with higher seismic acceleration necessitate greater building capacity to withstand the increased seismic forces. The research concludes that effective earthquake-resistant design must be tailored to the specific seismic context of each region, ensuring the safety and resilience of buildings across Indonesia.
Published Version
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