Full-scaled shaking table test of a hospital made of a base-isolated four-story concrete structure

Eiji Sato, Kouichi Kajiwara, Sachi Furukawa, Xiaodong Ji, Masayoshi Nakashima

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

A series of full-scale shaking table tests are conducted using the E-Defense shaking table facility on a base-isolated four-story concrete structure that is intended to serve as a hospital building. Four ground motions are adopted, including synthesized long-period and long-duration ground motions. The results show that the base isolation system performed very effectively against near-fault ground motions. The operability and functionality of hospital service is improved significantly as compared to the corresponding base-fixed system, because the acceleration responses were alleviated greatly. Against long-period ground motion, however, maintaining the hospital service is found not to be easy mainly because of significant motion of furniture and appliances equipped with casters. Resonance accentuated large displacements and velocity in the base isolation floor, which causes large amount of sliding to the furniture with casters, sometimes resulting in collision with other furniture. It is noted that a key to maintain the function of the medical facilities is to lock the casters securely.

Original languageEnglish
Title of host publication9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium
Pages3139-3148
Number of pages10
Publication statusPublished - 2010 Dec 1
Externally publishedYes
Event9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium - Toronto, ON, Canada
Duration: 2010 Jul 252010 Jul 29

Publication series

Name9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium
Volume4

Other

Other9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium
CountryCanada
CityToronto, ON
Period10/7/2510/7/29

ASJC Scopus subject areas

  • Environmental Engineering

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