Generalization of up-to-date information on correlation dependences of ultimate compressive strength and other strength characteristics of rocks

The compression testing methods effective in Russia and abroad are reviewed with the purpose of correlating the ultimate compressive strength with the other properties of rocks and for expanding research in the area of computer modeling of the ultimate compressive strength. The Russian approach to rock testing differs from the common foreign approach in dimensions of the test specimens. A brief overview of research findings on correlation dependences between the ultimate compressive strength, ultimate tensile strength, contact strength, shearing strength, point load index, Schmidt hardness and the ultrasonic compression wave velocity is presented. The highest correlation is observed in case of the Schmidt hardness, though the connection with the other characteristics is also rather tight. Since the point load index and the Schmidt hardness have found narrow attention in Russia yet, this article offers summary information on these characteristics and their determination. A particular interest lies in reviewing the present-date research in the area of prediction of the ultimate compressive strength values by computer modeling.

Keywords: rocks, ultimate compressive strength, ultimate tensile strength, point load index, Schmidt hardness, correlation of strength characteristic.
For citation:

Zhabin A. B., Polyakov A. V., Averin E. A., Linnik Yu. N., Linnik V. Yu. Generalization of up-to-date information on correlation dependences of ultimate compressive strength and other strength characteristics of rocks. MIAB. Mining Inf. Anal. Bull. 2022;(6):519. [In Russ]. DOI: 10.25018/0236_1493_2022_6_0_5.

Acknowledgements:
Issue number: 6
Year: 2022
Page number: 5-19
ISBN: 0236-1493
UDK: 622.023: 622.026
DOI: 10.25018/0236_1493_2022_6_0_5
Article receipt date: 10.03.2022
Date of review receipt: 18.03.2022
Date of the editorial board′s decision on the article′s publishing: 10.05.2022
About authors:

A.B. Zhabin, Dr. Sci. (Eng.), Professor, Tula State University, 300012, Tula, Russia, e-mail: zhabin.tula@mail.ru,
A.V. Polyakov, Dr. Sci. (Eng.), Engineer-Expert, LLC «Expertise of Industrial Safety», 300000, Tula, Russia, e-mail: polyakoff-an@mail.ru,
E.A. Averin, Cand. Sci. (Eng.), Engineer-Designer, LLC «Skyratovsky Experimental Plant», 300911, Tula, Russia, e-mail: evgeniy.averin.90@mail.ru,
Yu.N. Linnik1, Dr. Sci. (Eng.), Professor, e-mail: yn_linnik@guu.ru,
V.Yu. Linnik1, Dr. Sci. (Econ.), Professor, e-mail: d0c3n7@gmail.com,
1 State University of Management, 109542, Moscow, Russia.

 

For contacts:

A.V. Polyakov, e-mail: polyakoff-an@mail.ru.

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