Regularities of changes in strength of rocks under complicated stress state, different levels of humidity and pore pressure
Authors:
About authors
- Ph.D. Senior Research Fellow Saint-Petersburg State Mining Institute (Technical University)
Abstract
The conducted investigations allowed to establish the regularities of changes in mechanical properties of rocks with due account of influence of the stress state type, forms and kinds of moisture in rocks. Condition of the final state may be regarded as the criterion of rock failure depending on the moisture content, value of pore pressure and stress state type under constant velocity of deformation.
Область исследования:
(Archived) Drilling
Funding:
None
References
- Jager Ch. Rock mechanics and engineer constructions. M.: Mir, 1975. 255 p.
- Investigation of relationship between dynamic elasticity modulus, compression strength and humidity of coaly rocks /
- Horibe Tomio, Kobayama Reji, Muranami Tokasi, Okunura Hiehino // J.Tohoku Mining Soc. 1985. 12.1, рр. 6-11
- Marmorstein L.M. Collecting and screened properties of sedimentary rocks under different thermodynamic conditions. L.: Nedra, 1975, 276 p.
- Stress state of rock mass near the productive workings of arbitrary shape / I.A.Petukhov, V.V.Zubkov and I.A.Zubkova et al. // FTRPI. 1982. No 5, pp. 3-8.
- Stavrogin A.N. Strength of rocks and stability of mine workings at great depths / A.N.Stavrogin and A.G.Protosenya. M.: Nedra, 1985, 325 p.
- Stavrogin A.N. Methods and results of study of mechanical properties of rocks with different humidity under omplicated stress state / A.N.Stavrogin and A.T.Karmansky // J.Rock Pressure and Rockbursts / VNIMI. No.82, 1971, pp.10-13
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