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DYNAMIC MIXED MODE FRACTURE INITIATION IN ROCK+Li Zhenzi; Liu Youwen; DU Hui; Xu Jicheng; Zhang Jinyi; Sun Zongqi(Department of Architectural Engineering, Central South University of Technology, Changsha, 410083, China)Abstract:In this paper, a distortion dynamic strain energy density factor criterion for dynamic mixed-mode fracture initiation in rock is suggested.The results of the investigation......
J. Cent. South Univ. Technol. (2008) 15(s1): 496-499 DOI: 10.1007/s11771-008-408-x Experimental study on time-dependent stress and strain of in-plane shear (ModeⅡ) fracture process of rock WANG... was used to study time-dependent stress and strain of in-plane shear (Mode Ⅱ) fracture process of rock and to reveal the mechanism of Mode Ⅱ fracture. Numerical results show that the maximum shear stress......
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