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All Journal Jurnal Spesialis Teknik Sipil (JSpTS)
Fernando Priatama
Institut Teknologi Nasional Malang
Civil Engineering, Building, Construction & Architecture Engineering Transportation

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Perbandingan Perilaku Struktur Kolom Berjenjang dan Tidak Berjenjang Gedung FMIPA Universitas Gadjah Mada Yogyakarta Fernando Priatama; Sudirman Indra; Mohammad Erfan
Jurnal Spesialis Teknik Sipil (JSpTS) Vol. 7 No. 1 (2026)
Publisher : Magister Teknik Sipil, Fakultas Teknik, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30996/jspts.v7i1.133535

Abstract

Yogyakarta is located in a high seismic risk zone, making earthquake-resistant structural design essential especially for multi-story educational buildings like the FMIPA UGM facility. This study compares two structural configurations: stepped columns and non-stepped columns, using the Special Moment Resisting Frame System (SMRFS) in accordance with SNI 1726:2019, SNI 1727:2020, and SNI 2847:2019. Structural analysis was conducted using ETABS software to evaluate key parameters such as fundamental period, base shear force, and inter-story drift. The results reveal that the stepped column configuration yields a shorter vibration period, lower base shear, and reduced inter-story drift compared to the non-stepped column structure. The maximum drift occurs on the 10th floor, with a difference of 19.19% in the X direction and 16.2% in the Y direction. These findings suggest that stepped columns enhance structural efficiency and seismic performance in multi-story buildings. Moreover, the stepped configuration may reduce structural damage and improve occupant comfort during seismic events. This research contributes valuable insights to the development of earthquake-resistant design strategies in disaster-prone regions, offering practical recommendations for engineers and designers seeking to optimize structural resilience and safety.
Co-Authors Mohammad Erfan Sudirman Indra