Earthquake response prediction of seismically isolated buildings based on the response spectrum method considering changes in characteristics of lead rubber bearings due to repeated deformations

Author:

Kobayashi Masahito1ORCID,Sato Keita2,Sato Kazunori2

Affiliation:

1. Department of Architecture, School of Science and Technology Meiji University Kawasaki‐shi Japan

2. Former Graduate School of Science and Technology Meiji University Kawasaki‐shi Japan

Abstract

AbstractIn 2016, a countermeasure was announced against the Nankai Trough long‐period and long‐duration ground motions (LPGMs) in Japan. However, the response spectrum method (RSM), indicated by the Ministry of Construction notification Vol. 2009 (MCN), was out of the countermeasure. An RSM considering characteristic changes due to repeated deformations has also been proposed. However, since the damping correction formula of MCN was used, its applicability to LPMGs has not been sufficiently investigated. In this paper, a method is proposed to evaluate the influence of characteristic changes due to repeated deformations using RSM for LPGMs and seismically isolated buildings using the lead plug‐inserted laminated rubber (LRB).

Funder

Japan Society for the Promotion of Science

Publisher

Wiley

Subject

Modeling and Simulation,Architecture,Environmental Engineering

Reference16 articles.

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2. Design response spectra-compliant real and synthetic GMS for seismic analysis of seismically isolated nuclear reactor containment building

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4. Ministry of Land Transport and Tourism.Choukousou‐kenchikubutsutou niokeru Nankaitorahuzoi no Kyodaijishin niyoru chousyukijishindou heno Taiouni tsuite (Gijyutsutekijyogen) MLIT No. 1111. June2016(in Japanese).

5. Temperature-dependent performance of LRBs and its effect on seismic responses of isolated bridges under near-fault earthquake excitations

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