Underground Roof Support Systems

The longwall top coal caving ltcc roof support allows mining to a total seam height of more than 10 m 33 ft by using a longwall shearer to cut the bottom 2 8 3 0 m 9 2 9 8 ft and then caving the top coal behind the roof supports onto a rear afc.

Underground roof support systems.

Tensar mining systems address underground mine and tunnel applications including. Any impervious sheet material heavy duty polyethylene rubber membrane rigid insulation at least 3 feet wide is placed along the foundation about 8 to 12 inches below grade and sloped at. The rs20s faceboss system is supplied with a complete automation library of over 100 face cutting sequences to suit virtually all conditions. Rib control white and reflective tensar tx and bx mining grid products provide effective rib control for soft minerals while tensar ux3340 roof mats and minex rock mesh address the most demanding hard rock and tunneling applications.

Your support for life. Using shearer initiation with gate end automation no operators need to be specifically deployed for shield operation. An underground roof is a deflecting surface just below grade that slopes away from the building and directs all that roof water away from the foundation. Mine support products flagship product is rocprop an all steel elongated support system designed to maintain load bearing characteristics in both static and dynamic load conditions.

Deep level mining roof support system. These systems are globally fitted on the most automated and productive longwalls. Strata worldwide was founded on its line of engineered secondary roof supports for underground coal mining. Our original version mk1 was developed for tabular ore bodies with mining widths of up to 6m in deep level gold mines.