TDS, Newrak awarded construction contract for Exxaro's Matla Mine 2 and Mine 3. By: Nadine James 10th July 2018 TDS Projects Construction, in a joint venture with Newrak Mining, has been awarded the contract for two distinct but integrated mine development and infrastructure projects at Exxaro's Matla Mine 2 and Mine 3.
A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back ...
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