GATE 2022 Mining Engineering: Laubscher's Chart Mining Method Selection (RMR 50) | Examprev

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Mining Engineering > GATE 2022 > Mining Methods

The bottom section of a stoping block has dimensions 200 m×40 m. If the modified RMR of rock mass is 50, the appropriate method of mining on the basis of Laubscher's chart in the figure is

A

Shrinkage stoping

B

Cut and fill

C

Block Caving

D

Sublevel stoping

Correct : b

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