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| | Abstract | | The laboratory test data registered in the geotechnical database -KuniJiban- of the Ministry of Land, Infrastructure, Transport and Tourism -MLIT- are mainly those for unconsolidated soils, not many for rocks. Therefore we have started to collect and digitize the laboratory test data for rocks obtained in investigations for dams and tunnels conducted by MLIT in the past. Approximately 1,600 data has been digitized so far, which mainly consist of the measurements of ultrasonic velocity, unconfined compressive strength and deformability, and site information of the measured core samples. The analysis of digitized data for quality check has clarified their main features and issues to be noticed. |
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