, Volume 31, Issue 3, pp 941-963
Date: 07 Nov 2012

Japan’s Nation-Wide Electronic Geotechnical Database Systems by Japanese Geotechnical Society

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On October 15, 2010, the Japanese Geotechnical Society (JGS) announced the public release of ‘Nation-wide Electronic Geotechnical Database Systems,’ which provides geotechnical information to the public on the internet. The information the system provides is a collection of ground models at 250 m by 250 m in plan built by using data from various geotechnical information databases. The paper first describes historical development of the geotechnical information databases in Japan, and introduces a 5-year project, ‘Integrated Geophysical and Geological Information Database in Japan,’ led by the National Research Institute for Earth Science and Disaster Prevention (NIED), and participated by the JGS. The paper then presents the JGS’ ‘Nation-wide Electronic Geotechnical Database Systems,’ and describes why such system was proposed and built, followed by the presentation of the examples for possible application of the system.

The paper is substantial revision of the manuscript originally submitted to International Symposium on Advances in Ground Technology and Geo-Information (IS-AGTG) 1–2 Dec 2011, Singapore. The Nation-wide Electronic Geotechnical Database Systems is a part of the Integrated Geophysical and Geological Information Database Project headed by the National Research Institute for Earth Science and Disaster Prevention (NIED), and was financed by the Special Coordination Funds for Promoting Science and Technology under the Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) from 2006 to 2010.
For detailed reports (written in Japanese) of NEGDS, visit the following web site of the Japanese Geotechnical Society: http://www.jiban.or.jp/organi/bu/chousabu/jibandatabase.html.