
THE EXPLOITATION SYSTEM OF SECURING BACKBONE IN UPPER LEVELS - TREPCA MINE, STANTERG
(Stef92 Technology, 2011-06-20, Izet Zeqiri)
Show more
TrepГ§a mine in StantГ«rg during its activities of exploitation periods divides this process in three stages of exploitati on, where in the first stage there are old exploitations of levels from 830m and 610m, and the way of exploitation method, dimensions of backbones and securing plates has been change d as a result of determination of height of floor-horizons between them. The heights of 30m and the angle of small fall allows this method of exploitation to be more favourable and secure. Securing backbones, are ...


