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Abstract: In the Horonobe Underground Research Laboratory located in Hokkaido, Japan, a “3D geological structure/construction data visualization system” has been employed to facilitate obser- vational construction. Using this system, geological data, measurement data, construction data and prediction analysis results are visualized and integrated comprehensively as the construction proceeds. The planned...
Abstract: The Horonobe Underground Research Laboratory (URL) in Hokkaido, Japan has been constructed in diatomaceous and siliceous mudstones, which are widespread in the areas along the Sea of Japan. It is essential to understand the mechanical and rheological characteristics of these rocks for the construction of underground structures and for the assessment of their long-term...