Underground Roof Support Systems

Strata worldwide was founded on its line of engineered secondary roof supports for underground coal mining.

Underground roof support systems.

Available with tilting lemniscate and roof support assembly for uneven seam conditions in 4 5m and above seams 15 degree side to side roof support assembly movement to match roof horizon 25 degree front to rear operator controlled support plate tilt heavy gauge chain curtain and optional belt lacing to protect internal components. 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. Our original version mk1 was developed for tabular ore bodies with mining widths of up to 6m in deep level gold mines. 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.

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. 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. Your support for life.

Mining roof and wall support. Tensar mining systems address underground mine and tunnel applications including. Originally introduced in 1993 the strata propsetter support system remains one of strata s top selling support props through out the world. The rs20s faceboss system is supplied with a complete automation library of over 100 face cutting sequences to suit virtually all conditions.