Mine Roof Support

The strength of the rock depends on geology and the loads are applied primarily by the in situ and mining induced stresses.

Mine roof support. Our original version mk1 was developed for tabular ore bodies with mining widths of up to 6m in deep level gold mines. We will continue to explore and transform chemical solutions into innovative new products. Strata worldwide was founded on its line of engineered secondary roof supports for underground coal mining. Rock support is the term widely used to describe the procedures and materials used to improve the stability and maintain the load bearing capacity of rock near to the boundaries of an underground excavation.

Timber is the most commonly used material for support in a mine as it is cheap and easily available. Originally introduced in 1993 the strata propsetter support system remains one of strata s top selling support props through out the world. We design deliver and provide on site services and support for chemical roof support rock stabilization and ventilation sealing products to the mining and underground construction. Sal props are available in lengths upto 9 m.

Barczak2 abstract roof supports can only be understood in conjunction with the rock structure that they support. The can handles mine floor heaving and roof sag better than any other type of support available today. Dry and seasoned sal hindi sakhwa props and bars are used in some parts of maharashtra and pench valley coalfields where teak growth is plentiful. Roof support reconfiguration throughout the life of a mine the operational parameters for the powered roof supports can change.

For example the working height may reduce or the density may need to increase. Fundamentals of coal mine roof support by christopher mark ph d 1 and thomas m.