Question: With reference to Problems 29 and 30, layout a reasonable bolting plan using a dead weight approach and point anchored mechanical bolts assuming entries and

With reference to Problems 29 and 30, layout a reasonable bolting plan using a dead weight approach and point anchored mechanical bolts assuming entries and crosscuts are mined 20 ft (6.1 m) wide. Specify bolt length, diameter, spacing, steel grade, and pretension.

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