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All Journal JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION
Windra Pranoto Simatupang
Institut Teknologi Sepuluh Nopember
Civil Engineering, Building, Construction & Architecture

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Seismic Performance Evaluation of Story Drift-Based Fluid Viscous Damper Configurations Windra Pranoto Simatupang; Data Iranata
JOURNAL OF CIVIL ENGINEERING BUILDING AND TRANSPORTATION Vol. 10 No. 2 (2026): JCEBT SEPTEMBER
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jcebt.v10i2.18175

Abstract

Indonesia is located in one of the world's most seismically active regions, requiring high-rise buildings to be designed with adequate seismic resistance to control excessive lateral deformation and prevent structural instability caused by the P–Δ effect. This study evaluates the seismic performance of a multi-story building equipped with different Fluid Viscous Damper (FVD) configurations using Nonlinear Time History Analysis (NLTHA). Three structural models were investigated: a bare frame structure without dampers (Model A), a structure with uniformly distributed FVDs (Model B), and a structure with FVDs installed only at stories experiencing the largest inter-story drifts (Model C). Three scaled historical earthquake records—Imperial Valley, Loma Prieta, and Northridge—were employed according to the seismic requirements of SNI 1726:2019. The results demonstrate that Model A exceeded the allowable inter-story drift limits at several critical stories. Although Model B produced the greatest drift reduction, it significantly increased structural stiffness because of the extensive bracing system. In contrast, Model C effectively reduced inter-story drift to within the allowable limits while maintaining greater structural flexibility. These findings indicate that strategically placing FVDs at critical stories provides a more efficient seismic mitigation strategy than conventional uniform damper installation.
Co-Authors Data Iranata