Calculate the suitable diameter of rock bolts that are to be
used as reinforcement for a weak stratified roof in an underground
pump chamber given the following information.
- Width of the roof to be
bolted
1/2 (half) of the length of the
roof to be
bolted
Calculate the suitable diameter of rock bolts that are to be used as reinforcement for a weak stratified roof in an unde
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Calculate the suitable diameter of rock bolts that are to be used as reinforcement for a weak stratified roof in an unde
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