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Journal of Mining Sciences

2013 year, number 3

Evolution of Morphology of Fracture Surfaces in Rocks

V. V. SEREDIN1, L. O. LEIBOVICH2, M. V. PUSHKAREVA3, I. S. KOPYLOV1, A. S. KHRULEV1
1Perm State National Research University, ul. Bukireva 15, Perm, 614000 Russia
2Research, Design and Production Environmental Enterprise “Nedra”, ul. L’va Shatrova 13a, Perm, 614064 Russia
3Perm National Research Technological University, Komsomol’skii pr. 29, Perm 614990 Russia
Keywords: main fracture, stress state, roughness, rocks

Abstract

The authors have found relationship between stress state and surface roughness of main fracture in rocks: with growth of maximum normal stress in the area of fracture, surface roughness of the maximum normal stress site decreases. Based on the found relationship, the authors propose a method of estimating stress state of a material by value of the material fracture surface roughness.