Estimation of rock mass deformation modulus and strength of jointed hard rock masses using the GSI system

Ming Cai1, Peter K. Kaiser1, Haruhiko Uno2, Y. Tasaka2, M. Minami3
1Geomechanics Research Centre, Mirarco Inc., Laurentian University, Sudbury, Ont., Canada
2Department of Advanced Engineering, Tokyo Electric Power Services Co. Ltd., Tokyo, Japan
3Department of Construction, Tokyo Electric Power Company, Tokyo, Japan

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