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types of supported underground mining

Rock support The choice of the type of support installed in a particular underground excavation depends upon the extent of the zone of loosened or fractured rock surrounding that excavation A very crude guide to support selection is given in Table 1 Active rock reinforcement Underground mines use two principal types of rock reinforcement tensioned... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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