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All Journal Inventa: Journal of Science, Technology, and Innovation Technema: Journal of Intelligent Engineering and Computing
Aldino Daffa Cahya Pratama
Universitas Islam Sultan Agung
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Re-Desain Struktur Atas Tahan Gempa Gedung Apartemen Berdasarkan Sni 1726:2019 Di Kota Semarang Aldino Daffa Cahya Pratama; Muhammad Naufal ArRasyid
Journal of Science, Technology, and Innovation Vol 1 No 3 (2026): : April: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/hg1vex78

Abstract

Indonesia lies within a region of high seismic activity; therefore, the structural design of buildings must adequately account for earthquake effects. The apartment building located in the city of Semarang is a four-story residential structure constructed in 2023 and originally designed in accordance with SNI 1726:2012 provisions. With the enactment of SNI 1726:2019 as the latest regulatory standard, a structural reassessment and redesign of the building’s superstructure are required to ensure its safety level and structural performance under seismic loads. This study aims to redesign the superstructure of the apartment building, including beams, columns, and slabs, using the Special Moment Resisting Frame System (SMRF) in compliance with SNI 1726:2019, SNI 1727:2018, and SNI 2847:2019. Structural analysis was conducted using both the equivalent static method and response spectrum analysis with the aid of ETABS software. Seismic parameters were determined based on the site conditions, assuming a soft soil classification (Site Class SE). The design results indicate that the building structure satisfies seismic resistance requirements, as evidenced by the magnitude of the design earthquake forces, inter-story drift limits, and the ductility provisions of the SMRF system. The redesigned dimensions and reinforcement detailing of structural elements—columns, beams, and slabs have been adjusted to fulfill the strong column–weak beam principle. Therefore, the redesigned superstructure of the apartment building, based on SNI 1726:2019, is deemed safe and capable of enhancing structural performance against earthquake effects.  
Seismic-Resistant Superstructure Redesign of an Apartment Building Based on SNI 1726:2019 in Semarang City Aldino Daffa Cahya Pratama; Muhammad Naufal Arrasyid; Prabowo Setiyawan; M Rusli Ahyar
Technema: Journal of Intelligent Engineering and Computing Vol. 1 No. 3 (2026): Technema: Journal of Intelligent Engineering and Computing
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Seismic safety is an essential consideration in the assessment and redesign of multi-story buildings in Indonesia because structural systems must accommodate earthquake-induced lateral forces while maintaining adequate strength and serviceability. Griya Kos Diponegoro in Semarang is a four-story reinforced-concrete residential building constructed in 2023 and originally designed according to SNI 1726:2012, necessitating reassessment based on the updated SNI 1726:2019 provisions. This study aims to evaluate the seismic response and redesign the upper structural components consisting of reinforced-concrete beams, columns, and slabs. A quantitative structural analysis approach was applied through three-dimensional modeling in ETABS, incorporating response spectrum and equivalent static analyses based on SNI 1726:2019, while reinforced-concrete design followed SNI 2847:2019 and gravity loading followed SNI 1727:2020. The building was modeled using a Special Moment Resisting Frame system on a soft-soil site classified as SE. Modal analysis using 15 modes achieved 100% combined mass participation in both principal horizontal directions, with the first two modes dominated by translational behavior and the third mode by rotational behavior. The design period adopted in the period-check procedure was 0.521 s. Story-drift evaluation indicated that the maximum drift occurred at Floor 2, reaching 29.420 mm in X and 29.348 mm in Y, below the permissible limit of 53.846 mm. The redesign produced member configurations for beams, columns, and slabs that satisfied the evaluated design requirements.  
Co-Authors M Rusli Ahyar Muhammad Naufal ArRasyid Prabowo Setiyawan