Successful mining operations rely on good blast designs as excessive explosives and poor practice can contribute to structural damage in rocks and result in unwanted caving. ... When paired with a ...

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Design of Surface Mine Haulage Roads – A Manual By Walter W. Kaufman and James C. Ault ABSTRACT This Bureau of Mines manual for design of surface mine haulage roads covers such aspects of haulage road design as road alignment (both vertical and horizontal), construction materials, cross slope, and drainage provisions.

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High Pressure Grinding Rolls (HPGR) small version used in mining plant model. 400kW motors from Weg. Universal joints were fully flexible on the original model to show the offset of the rolls and their crushing movement.