Seismic design practice in Japan

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Japan is one of the most seismically disastrous countries in the world and has often suffered significant damage from large earthquakes. The earthquake disaster prevention technology for highway bridges has been developed on the basis of such extensive damage experiences since the 1923 Kanto earthquake. Various provisions for designing bridges have been developed to mitigate damage due to the instability of soils such as soil liquefaction and the insufficient strength and ductility of structural members. Furthermore, design detailing including unseating prevention devices was introduced to prevent the total collapse of bridges against a large earthquake exceeding the design level. With development and improvement of seismic design provisions, damage to highway bridges caused by the earthquakes had been decreasing dramatically in recent years.

Original languageEnglish
Title of host publicationBridge Engineering Handbook
Subtitle of host publicationSeismic Design, Second Edition
PublisherCRC Press
Number of pages44
ISBN (Electronic)9781439852323
ISBN (Print)9781439852187
Publication statusPublished - 2014 Jan 1


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