An Investigation into Spoil Stability at Moura

Dunbavan M, ; Mallett C W,
Organization: The Australasian Institute of Mining and Metallurgy
Pages: 9
Publication Date: Jan 1, 1981
The sequence of development and back analysis of the failure of a spoil pile in the 1B pit of the Moura Mine are given. The mode of failure was a two-wedge mechanism with a basal slip plane passing through a clay band about 2 m below the pit floor. Remedial actions for improving spoil pile stability are discussed.
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