Effect of tailings composition on the shear strength behavior of mine waste rock and tailings mixtures
The objective of this study was to evaluate the effect of mine tailings composition on the shear behavior and shear strength of co-mixed mine waste rock and tailings (WR&T). Crushed gravel was used as a synthetic waste rock and mixed with four types of tailings: (1) fine-grained garnet, (2) coarse-grained garnet, (3) copper, and (4) soda ash. Co-mixed WR&T specimens were prepared to target mixture ratios of mass of waste rock to mass of tailings (R) such that tailings "just filled" inter-particle void space of the waste rock (Ropt) prepared at the maximum void ratio of waste rock alone. ...
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