Hysteresis Loops of Base Isolation System - An Overview

Abstract:

Recently, there are a lot of technological developments in the earthquake engineering field to reduce structural damage and one of them is a base isolation system. The base isolation system is one of the best technologies for the safety of human beings and properties under earthquake excitations. The aim of this paper is to review previous research works on simulation of base isolation systems for RC buildings and their efficiency in the safety of these buildings. Base isolation decouples superstructure from substructure to avoid transmission of seismic energy to the superstructure of RC buildings. The most effective way to assess the base isolation system for RC building under different earthquake excitations is by conducting experiment work that consumes more time and money. Many researchers had studied the behavior of base isolation system for structure through modeling the behavior of the base isolation in which base isolator is modeled through numerical models and validated through experimental works. Previous researches on the modeling of base isolation systems of structures had shown similar outcomes as the experimental work. These studies indicate that base isolation is an effective technology in immunization of structures against earthquakes.

• Periodical: Key Engineering Materials (Volume 879)
• Pages: 189-201
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.879.189
• Online since: March 2021
• Authors: M.A. Amir, N.H. Hamid*
• Keywords: Base Isolator, Elastomeric Bearings, Sliding Bearings

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