Rock bolting is a primary method of rock reinforcement in underground mines. There are three main ways to anchor rock bolts: mechanically, through grout, and through friction. Common rock bolt types include untensioned grouted dowels, friction-anchored Swellex bolts, and friction-anchored split sets. Other reinforcement methods mentioned include mesh, cable bolts, and steel arches. The document provides details on the applications, advantages, and disadvantages of several common rock bolting and reinforcement techniques used in underground mining.
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