Flow and Fracture of Rocks under General Triaxial Compression

Mogi

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Mogi. Flow and Fracture of Rocks under General Triaxial Compression[J]. Applied Mathematics and Mechanics, 1981, 2(6): 585-598.

Citation:

Mogi. Flow and Fracture of Rocks under General Triaxial Compression[J]. Applied Mathematics and Mechanics, 1981, 2(6): 585-598.

Citation:

Mogi. Flow and Fracture of Rocks under General Triaxial Compression[J]. Applied Mathematics and Mechanics, 1981, 2(6): 585-598.

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Flow and Fracture of Rocks under General Triaxial Compression

Mogi

Earthquake Research Institute University of Tokyo, Tokyo, Japan

Received Date: 1980-09-20
Publish Date: 1981-12-15

Abstract

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 σ₃, but also by the intermediate compression σ₂, 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.

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References(22)

References

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