A revised dipper-ground equilibrium derivation for shovels operating in oil, sand, and soft ground

CIM Journal, Vol. 3, No. 1, 2012
T. G. Joseph, N. Shi
Abstract A revised equilibrium approach to evaluate dipper-ground interactions during the dig cycle of ultra-class mining shovels operating in soft unblasted uniform ground conditions is presented. A review of previous approaches, leading to an outline of the modifications and ground condition considerations, is made in support of the reasoning and basis for the derivation presented. An analytical solution is provided to the scenario of a cable shovel dipper digging in soft ground material such as oil sands.
Keywords: Shovel dipper, Soft ground, Equilibrium, Analytical, Mining face
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