Rock Bolts

The process of rock bolting consists of anchoring the bolt in a hole; applying tension to the bolt to place the rock under compression parallel to the bolt; and placing the bolts in such a pattern that they will properly support the rock structure. Rock may be supported by bolts in five ways:

  1. suspension;
  2. beam building;
  3. reinforcement of arched opening requiring support;
  4. reinforcement of an opening otherwise self-supporting; and
  5. reinforcement of walls against shear and compressive action.

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