Abstract:

Based on analysis and improvement of some driving methods of raise shaft in medium-and-small mines , this paper int roduces two development methods suitable to raising in medium-and-small mines. Compared with convention methods and supporting methods ,the two int roduced methods have advantages of decreasing timber consumption ,reducing labor inrtensity ,shortening operation of cycle and lowering production cost .

Key words: raise, conventional methods, timber supporting, anchor bolting, scaffolding