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Preliminary assessment of roadheaders efficiency based on empirical methods and index of equivalent rock strength
(National Mining University, 2019-09-30)
Purpose. The choice of a proper roadheader is a critically important step in planning of a project or some of its stages. Nowadays various manufacturers produce numerous models of these vehicles, hence it is unreasonable ...
Scale factors for conversion of forces on disc cutters for the main domestic and foreign methods
(National Mining University, 2017-09-30)
Purpose. Disc cutter is an important tool which is used in tunneling to destroy the rock during excavation as it directly influences rock-breaking efficiency, advance rate and economy of a project. Thus, it is of critical ...