Experimental study of opening-mode crack growth in rock. Progress report and renewal proposal [electronic resource].
Published
Washington, D.C. : United States. Dept. of Energy, 1981. Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Research progress is reported on studies relating the fracture toughness of rock to its microstructure with a view to establishing the structural factors that control toughness and fracture characteristics. Additionally, a detailed review is being made of published data on the fracture toughness of rocks. (ACR)