Keynote Papers

   doi:10.3850/978-981-07-0188-8_P173


Development of Geoinformatic Databases and their Application to Geotechnical Problems


Mamoru Mimura1 and Koji Yamamoto2

1Disaster Prevention Research Institute, Kyoto University, Gokasho Uji, Kyoto 611-0011, Japan

2Geo-Research Institute, 4-3-2 Nishihonmachi Nishi-Ku Osaka, Osaka 501-0012, Japan

ABSTRACT

Various databases for underground information have been developed in Japan. They have been independently developed and used for regional geotechnical research, construction management, evaluation for geo-hazard and geo-environmental assessment. The present status of geoinformatic databases in Japan is briefly explained followed by the several examples for application of them. Kansai geoinformatic database is selected to explain the utilization for description of subsoil structures, assessment for liquefaction potential that become the fundamental information for the regional action planning of disaster mitigation. The sophisticated procedure for integration and interconnection of the individual databases is also discussed by proposing the concept of “Representative Soil Profile Model” that is the mesh subsoil model for 250 m square block. This mesh modeling is now conducted in the main large cities in Japan to establish the seamless national subsoil model to be utilized for the nationwide disaster mitigation planning.


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