Heights from 0 8 to 7 8 meters.
Underground roof support.
Road reinforcement when soft bottom conditions require effective base reinforcement the spectra roadway improvement system featuring tensar triax geogrid is the ideal solution.
Strata worldwide was founded on its line of engineered secondary roof supports for underground coal mining.
Mining products for underground support systems elbroc mining products pty ltd is a recognized leading manufacturer and supplier of in stope roof support products to the mining industry.
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.
We will continue to explore and transform chemical solutions into innovative new products.
Conventional sublevel caving supports allow coal to be drawn from the roof using articulated canopies with special chutes integrated into the gob shield the front afc or a second afc located behind the shields.
Originally introduced in 1993 the strata propsetter support system remains one of strata s top selling support props through out the world.
Widths of 1 5 1 75 and 2 05 meters.
Leg bore sizes ranging from 125 to 480 mm.
Ratings up to 1 750 tonnes.