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Fundamental and applied issues of mining

2020 year, number 1

FINDING AN OVERLIMITIMG STATE OF THE ROCK MASS NEAR THE MINE BOUNDARY

A. I. Chanyshev1,2, I. M. Abdulin1, O. E. Belousova1, O. A. Lukyashko1
1Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2Novosibirsk State University of Economics and Management, Novosibirsk, Russia
Keywords: Failure, stress vector, displacement vector, Cauchy problem

Abstract

The problem is to determine the state of the rock mass around the mine according to the data of simultaneous measurement of Cauchy stress vector and displacement vector (Cauchy problem) on its boundary. The overlimiting deformation is taken into consideration. The obtained solution allows estimating the remaining reserve of material strength both on the mine boundary and near it.