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Effect of structural discontinuities on coal pillar strength as a basis for improving safety in the design of coal pillar systems.

Author: Esterhuizen, GS Date: Dec 1998 The stability of underground coal mines depends on the integrity of the pillars which are required to support the overlying strata. Should the pillars collapse, the safety of the persons in the workings will be threatened. The strength of a ... Read more

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Browsing by Subject "Coal pillar systems"

Browsing by Subject "Coal pillar systems"

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