Abstract
A mathematical model is developed for breaking a compact specimen with a rigid wedge-shaped striker. An interpolation dependence is derived for the minimum pre-impact wedge velocity on the physico-mechanical properties of oversize, its dimensions, and striker parameters.
Similar content being viewed by others
References
V. P. Yefimov, “Dynamic calibration of the measurement of brittle material crack resistance by the method of wedging,”Fiz.-Tekh. Probl. Razrab. Polezn. Iskop., No. 4 (1990).
L. M. Kachanov,Bases of Plasticity Theory [in Russian], Nauka, Moscow (1956).
Ye. A. Mochalov, “Mathematical description of penetration of an impact machine tool into breakable material,”Fiz.-Tekh. Probl. Razrab. Polezn. Iskop., No. 6 (1991).
G. V. Basheyev, V. P. Yefimov, and P. A. Martynyuk, “Formation of an incipient crack in the impact fracture of a brittle body by a wedge,”Fiz.-Tekh. Probl. Razrab. Polezn. Iskop., No. (1999).
Ye. N. Sher, “Example of calculating the movement of radial cracks forming during explosion in brittle medium in a quasi-static approximation,”Fiz.-Tekh. Probl. Razrab. Polezn. Iskop., No. 2 (1982).
V. P. Yefimov and Ye. N. Sher, “Method for determining crack resistance of brittle materials by wedging,”Fiz.-Tekh. Probl. Razrab. Polezn. Iskop., No. 1 (1996).
V. P. Yefimov, “Time-dependent phenomena during development of main cracks in brittle media,”Fiz.-Tekh. Probl. Razrab. Polezn. Iskop., No. 6 (1998).
Yu. A. Kolesnikov and Ye. M. Morozov,Mechanics of Contact Breaking [in Russian], Nauka, Moscow (1989).
V. P. Yefimov, P. A. Martynyuk, and Ye. N. Sher, “Consideration of vertical forces during wedging,”Fiz.-Tekh. Probl. Razrab. Polezn. Iskop., No. 3 (1992).
Additional information
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 5, pp. 53–61, September–October, 1999.
Rights and permissions
About this article
Cite this article
Basheyev, G.V., Yefimov, V.P. & Martynyuk, P.A. Calculation model for rock breaking with a wedge-shaped impact tool. J Min Sci 35, 494–501 (1999). https://doi.org/10.1007/BF02562511
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF02562511