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Flow property testing is important in the design of handling equipment for bulk solids and the Jenike shear tester is a common and reliable method for ensuring flow from hoppers under the force of gravity alone. The Jenike shear test procedure has various stages and is known to have issues with operator dependency, questions have also been raised regarding the stress state within the shear cell. Currently the data for high pressure flow functions, which are applicable to large capacity storage facilities, are extrapolated from low pressure test data using a 3-parameter equation. Very little li...

In open-pit mining operations, a larger energy consumption comprises the comminution processes. Therefore, blasting operations for rock fragmentation contribute to improving comminution efficiency, particularly in hard rock mines. Several factors control rock fragmentation pertaining to blasting and

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