Exploring seismic resilience of multi-story isolated structures: A comparative analysis of triple and quintuple friction pendulum isolators

Haniye Jafari, Gholamreza Ghodrati Amiri, Hamed Keikha, Ayoub Shakouri, Natural Disasters Prevention Research Center, School of Civil Engineering, Iran University of Science and Technology, Structural Retrofitting and Reconstruction Research Group, Natural Disaster Research Institute , Department of Civil Engineering, University of British Columbia

Journal of Vibration and Control

Published online on March 25, 2026

Abstract

Journal of Vibration and Control, Ahead of Print.
This study conducts a 3D comparison of Triple (TFPI) and Quintuple (QFPI) Friction Pendulum isolators for a six story steel building. Its key innovations are two-fold: first, a performance comparison based on optimally designed isolators with closely ...