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P. Adi Yasa
Udayana University
Civil Engineering, Building, Construction & Architecture

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STRUCTURAL REDESIGN FOR MATERIAL EFFICIENCY (CASE STUDY: BUILDING A OF KIARA BEACH FRONT APARTMENT) Made Hendra Prayoga; Ida Bagus Prastha Bhisama; P. Adi Yasa
Jurnal Ilmiah Teknik Sipil Vol. 30 No. 1 (2026): Vol. 30 No. 1 (2026): Jurnal Ilmiah Teknik Sipil
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2026.v30.i01.p09

Abstract

Structural design for multistory buildings must satisfy not only strength and safety requirements but also material efficiency to achieve cost-effective construction. This study aims to redesign the structural system of Building A of the Kiara Beach Front Apartment to obtain a more efficient design while maintaining structural performance and safety. The redesign was carried out using the Special Moment Resisting Frame (SMRF) system in accordance with the provisions of SNI 1726:2019, SNI 1727:2020, and SNI 2847:2019. A three-dimensional structural model was developed in SAP2000, followed by analyses of gravity and seismic loads, inter-story drift, structural irregularities, and the design of beams, columns, slabs, and foundations. The results indicate that the redesigned structure satisfies seismic performance requirements, with the fundamental period and inter-story drift remaining within the allowable limits specified by the applicable standards. Furthermore, the optimization of structural member dimensions and reinforcement improved material efficiency in the first-floor structural elements, resulting in an 11% reduction in concrete volume and a 23% reduction in reinforcement weight. Consequently, a more economical structural design was achieved without compromising structural safety requirements.
STRUCTURAL REDESIGN FOR MATERIAL EFFICIENCY (CASE STUDY: BUILDING A OF KIARA BEACH FRONT APARTMENT) Made Hendra Prayoga; Ida Bagus Prastha Bhisama; P. Adi Yasa
Jurnal Ilmiah Teknik Sipil Vol. 30 No. 1 (2026): Vol. 30 No. 1 (2026): Jurnal Ilmiah Teknik Sipil
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2026.v30.i01.p09

Abstract

Structural design for multistory buildings must satisfy not only strength and safety requirements but also material efficiency to achieve cost-effective construction. This study aims to redesign the structural system of Building A of the Kiara Beach Front Apartment to obtain a more efficient design while maintaining structural performance and safety. The redesign was carried out using the Special Moment Resisting Frame (SMRF) system in accordance with the provisions of SNI 1726:2019, SNI 1727:2020, and SNI 2847:2019. A three-dimensional structural model was developed in SAP2000, followed by analyses of gravity and seismic loads, inter-story drift, structural irregularities, and the design of beams, columns, slabs, and foundations. The results indicate that the redesigned structure satisfies seismic performance requirements, with the fundamental period and inter-story drift remaining within the allowable limits specified by the applicable standards. Furthermore, the optimization of structural member dimensions and reinforcement improved material efficiency in the first-floor structural elements, resulting in an 11% reduction in concrete volume and a 23% reduction in reinforcement weight. Consequently, a more economical structural design was achieved without compromising structural safety requirements.
Co-Authors Ida Bagus Prastha Bhisama Made Hendra Prayoga