Underground Coal Mining Roof Support

Case histories were reported showing that roof falls could be largely eliminated while productivity increased dramatically. Roof supports can only be understood in conjunction with the rock structure that they support. Coal mine roof support strata worldwide.

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Bureau of mines quickly became the new roof support s strongest advocate.

Underground coal mining roof support.

Today this prop is one of eleven different standing support systems strata offers. Some state agencies and miners were skeptical at first but nearly everyone was soon won over. The strength of the rock depends on geology and the loads are applied primarily by the in situ and. During this time secondary support service was also started and in nearby future primary support will also be a service offered.

Originally introduced in 1993 the strata propsetter support system remains one of strata s top selling support props through out the world. Originally introduced in 1993 the strata propsetter support system remains one of strata s top selling support props through out the world. Underground support solutions pty ltd. The initial movement starts as soon as the coal which previously supported and constrained the roof strata is removed and no support is in place to resist such movement other than the bridging effect of strata supported by uncut coal ahead of the face and the supports set between the face and the goaf.

Coal pillars of substantially large dimensions are left out in coal mines to support the huge burden of the overlying strata. Including timber steel and concrete options. In india more than 3000 million ton of coal reserve is locked up in. Strata worldwide was founded on its line of engineered secondary roof supports for underground coal mining.

Today this prop is one of eleven different standing support systems strata offers. Underground support solutions pty ltd is a company that branched out of underground solutions pty ltd which started in august 2006 servicing coal mine industry by conveyor belt maintenance including construction and reclaiming. Including timber steel and concrete options. Strata worldwide was founded on its line of engineered secondary roof supports for underground coal mining.

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