Fernanda, Netasya Okta (2024) Pengaruh Letak Bracing Konsentris Terhadap Periode Getaran, Simpangan Antar Lantai, Dan Gaya Gempa Pada Struktur Gedung Baja Tahan Gempa Menggunakan Analisis Respon Spektrum Berdasarkan SNI: 1726-2019. Undergraduate thesis, Fakultas Teknik Universitas Merdeka Malang.

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Abstract

Building structure planning must meet safety standards that are considered strong enough to withstand damage due to earthquake loads. The innovation that needs to be given is to add bracing, one type of frame system is concentric bracing which is designed to withstand earthquake loads. The structure is modeled after an 8-storey multi-storey building with various bracing locations. There are 4 variations, namely the Control Plan Model (MDK), Center-Center 4-sided- Angle Symmetrical Bracing Model (MLBKSST), 4-sided-Center-No-Center Symmetrical Bracing Layout Model (MLBKST), 4-side-Center Symmetrical Bracing Layout Model (MLBKST) ), 4- sided Full-sided Symmetrical Bracing Layout Model (MLBKSP).The earthquake force analysis used dynamic response spectrum analysis based on SNI 1726-2019. Structure modeling was carried out in 3D with the SAP2000 program. Based on performance theory, this research recommends the MLBKSTT building model. Due to the largest period of vibration, the smallest earthquake force, even though the largest floor deviation is still recommended by MLBKSST because it is dominant, it fulfills the requirements. The results of this analysis show that the MLBKSTT to MDK decreased in the period of vibration with a percentage of 45.7% and a decrease in the floor intersections in the X and Y directions with a percentage of 49.4% and 57.3%, an increase in the base seismic force in the X direction and Y with a percentage of 19.4% and 44.6% of MDK.

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