FLOW AND FRACTURE OF ROCKS UNDER GENERAL TRIAXIAL COMPRESSION

摘要/Abstract

摘要： Recent laboratory studies of the flow and fracture of rocks under general triaxial compression are reviewed. New developments in laboratory techniques have made it possible to measure three principal stresses and strains under general triaxial stress states, in which all three principal stresses are different.Strength and ductility of isotropic rocks are markedly affected not only by the least compression, but also by the intermediate compression although these two effects are rather additional in strength, but opposite in ductility. The experimental results show that dilatancy is highly aniso-tropic under the general triaxial stress states.Deformational properties of anisotropic rocks have been also measured under the general triaxial compression. In this case, the effect of the intermediate compression markedly depends on the orientations of the weak planes.

关键词: imperfect interface, mode-II crack, spring model, Fourier transform, stress intensity factor

Abstract: Recent laboratory studies of the flow and fracture of rocks under general triaxial compression are reviewed. New developments in laboratory techniques have made it possible to measure three principal stresses and strains under general triaxial stress states, in which all three principal stresses are different.Strength and ductility of isotropic rocks are markedly affected not only by the least compression, but also by the intermediate compression although these two effects are rather additional in strength, but opposite in ductility. The experimental results show that dilatancy is highly aniso-tropic under the general triaxial stress states.Deformational properties of anisotropic rocks have been also measured under the general triaxial compression. In this case, the effect of the intermediate compression markedly depends on the orientations of the weak planes.

Key words: imperfect interface, mode-II crack, spring model, Fourier transform, stress intensity factor

K. Mogi;茂木清夫. FLOW AND FRACTURE OF ROCKS UNDER GENERAL TRIAXIAL COMPRESSION[J]. Applied Mathematics and Mechanics (English Edition), 1981, 2(6): 635-651.

K. Mogi. FLOW AND FRACTURE OF ROCKS UNDER GENERAL TRIAXIAL COMPRESSION[J]. Applied Mathematics and Mechanics (English Edition), 1981, 2(6): 635-651.

参考文献

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