Coaltech Research Association

Evaluation of Stripping Techniques

by CJ Moolman & GA Fourie | March 2000

R1500,00

Description

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Recharge factors of 23.5 per cent and 12.9 per cent were calculated at the two rehabilitated pits with complete data. The higher value reflected surface drainage towards the pit centre and eroded topsoil; the lower one, a deep pit floor with well compacted spoil and intact cover. The rates are site specific and no generic formula could be derived.

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