Bosai Solution ID : JBP00009

Design and Construction of Seismic Isolation Buildings
Seismic isolation, Response control, Earthquake structure

HazardEarthquake

Solution Purpose
Prevention & Mitigation Recovery

Solution Theme
Disaster Prevention Plan Infrastructure Technology Building Technology Rescue & Medical Treatment
Products & Goods

Technology Subject
Business Continuity Plan Road Railways Airport Essential Utilities Urban Facility for Disaster Prevention
Emergency Base & Back-up Facility Design & Construction of Resilient Building Resilience Improvement
on Existing Building Emergency Medical Service Machinery & Equipment

Advantages
Fujita Corp. has constructed over 120 seismically isolated buildings and 60 energy dissipated buildings.
Fujita Corp. also developed anti-seismic devices such as lead rubber bearing, viscous damper andbuckling restrained brace, etc. cooperating with device manufacturers. Fujita Corp. is a generalcontractor, where design teams, construction teams and research teams work together to develop anduse the new technology to make buildings more stronger against earthquake.

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Background
Seismic isolation and energy dissipation technologies have been proved to be the most effective
way to reduce earthquake disaster in recent large earthquakes, from the 1995 Hyogoken-Nanbu
earthquake to the 2011 Tohoku earthquake. These technologies apply not only to new buildings
but also to existing buildings. Seismic isolation technology extremely reduces the response of thesuper-structure, such as protect both building itself and also contents such as furniture and ceiling,etc. Seismic isolation technology extended its usage from public facilities, hospital and apartment
to school and even warehouse.

Exposition of the Solution
Seismic isolation technology keeps the function of the building, which can be used continuouslyafter the earthquake. Life cycle cost of the building will be cheaper than the conventional antiseismic one. Seismic isolation technology reduces the response, such as precast technology etc.
will be used more easily.
A hospital can continue operating even in the earthquake, which can keep its emergency basefunction. A company can maintain business continuity plan (BCP) after the earthquake. Supply
chain will not be interrupted during the earthquake. Goods in a warehouse will not flow out in thesmall or large earthquake.

Achievements of Examples
Fujita Corp. has used seismic isolation technology to apartments (SHINJYUKU Ains Tower, KORIENTower), hospitals (Kumamoto Univ. hospital, Osaka GYOMEIKAN hospital), city hall (SHIMA CityHall, Higashi Hiroshima City Hall), offices (MF Minamimorimachi Building, Toyoda Iron Works headoffice) and warehouse (Prologis Park Yokohama, KEIHIN Truck Terminal). The seismic isolation
floor is not limited at base but also used in the middle story. Fujita Corp. has used energy＜ Downloaded from www.bosai-jp.org ＞

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dissipation technology to offices (OMIYA Sonic City, Kakyoin Square), apartments (MIDORII Sky
Stage) and schools (TOHOKU UNIV. Campus, Hiroshima Institute of Technology Nexus21).

Seismic isolation technology

Osaka GYOMEIKAN hospital

JA

Wakayama

Energy dissipation technologies＜ Downloaded from www.bosai-jp.org ＞

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Hiroshima Institute of Technology Nexus21

Oasis

park 21

Corporate Profile
Fujita Corporation
4-25-2 Sendagaya, Shibuya-ku Tokyo, 151-8570 Japan Tel. : +81-3-3402-1911
 E-mail : info@fujita.co.jp
 Website : http://www.fujita.com＜ Downloaded from www.bosai-jp.org ＞

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