Underground Roof Support
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Ratings up to 1 750 tonnes.
Underground roof support. Strata worldwide was founded on its line of engineered secondary roof supports for underground coal mining. Heights from 0 8 to 7 8 meters. Originally introduced in 1993 the strata propsetter support system remains one of strata s top selling support props through out the world. 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.
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. 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. Joy powered roof supports for high capacity longwall applications are custom designed to meet your exacting cycle and operating requirements. Road reinforcement when soft bottom conditions require effective base reinforcement the spectra roadway improvement system featuring tensar triax geogrid is the ideal solution.
Leg bore sizes ranging from 125 to 480 mm. Widths of 1 5 1 75 and 2 05 meters.
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