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Influence of the hard rock specimens’ size ratio on the results of their strength determination under uniaxial compression
Abstract. The paper describes the results of uniaxial compression tests of hard rock specimens. The influence of the specimens’ size ratio on the strength limit values has been established. The conditions of the shape coefficient applicability have been determined for computation by the methods described in state standards (GOST 21153.2-84). The methods for determining the strength limits on the uniaxial compression of cylindrical specimens with height-diameter ratios of 2 and 1 have been proposed.
Keywords: specimens’ size ratio, uniaxial compression, strength limit, hard rock, shape coefficient, specimen, height-diameter ratio
Printed reference: N.N. Kuznetsov, A.K. Pak Influence of the hard rock specimens’ size ratio on the results of their strength determination under uniaxial compression // Vestnik of MSTU. 2014. V. 17, No 2. P. 246-253.
Electronic reference: N.N. Kuznetsov, A.K. Pak Influence of the hard rock specimens’ size ratio on the results of their strength determination under uniaxial compression // Vestnik of MSTU. 2014. V. 17, No 2. P. 246-253. URL: http://vestnik.mstu.edu.ru/v17_2_n57/246_253_kuznet.pdf.
