社会基盤としての地盤情報データベース(<特集>地盤情報データベースの利活用)

概要

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Various databases for underground information have recently been developed in Japan. They have been independently developed and used for regional geotechnical research, construction management, evaluation for geohazard and geo-environmental assessment. The nationwide project to integrate and link these independent databases has also been conducted. The basic idea and mission of geoinformatics database is discussed together with the history of database development. It is widely recognized that geoinformatics databases play significant roles to assess earthquake induced disasters through the precise evaluation of ground motion as well as the occurrence of liquefaction. The seamless modeling throughout the area has also been tried on the basis of the concept of "Representative soil profile model" developed for the individual 250 m mesh block. The developed representative soil profile models for the pilot cities are open to the public through the JGS website. We have to consider that the subsoil information is the public property as the basic infrastructure to maintain our safe and peaceful society.
2013-06-01