Skripsi
KAJIAN PENGGUNAAN BRACING BAJA DAN FLUID VISCOUS DAMPER KONFIGURASI DIAGONAL TERHADAP RESPONS DINAMIK STRUKTUR GEDUNG AKIBAT BEBAN GEMPA PADANG
Enhancing the seismic performance of multi-story buildings in high-seismic regions requires effective structural control systems to improve lateral resistance and energy dissipation. This study evaluates the influence of steel bracing and Fluid Viscous Damper (FVD) systems on the dynamic response of a 10-story regular building using Response Spectrum Analysis in structural analysis software, in accordance with SNI 1726:2019. The performance parameters assessed include fundamental vibration periods, maximum lateral displacements, and inter-story drift ratios. The results indicate that the integration of these systems significantly enhances structural stability. Specifically, the addition of the control systems increased lateral stiffness, as evidenced by a reduction in fundamental vibration periods from 1.7912 seconds (X-direction) and 1.7900 seconds (Y-direction) in the baseline model to 0.9684 seconds and 0.9655 seconds in the optimized configuration (Model 5). Furthermore, the FVD system effectively dissipated seismic energy, reducing maximum lateral displacements by 22.432% in the X direction and 24.311% in the Y-direction. The configuration with FVDs installed at the structural perimeter demonstrated the highest effectiveness in controlling seismic responses. Overall, the integration of Fluid Viscous Dampers provides superior seismic performance by mitigating lateral deformations and enhancing the structural resilience of multi-story buildings subjected to earthquake loading. Keywords: Steel Bracing, Fluid Viscous Damper, Dynamic Response, Structural Analysis Software, SNI 1726:2019.
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