Laboratory properties of mine tailings

  • Qiu Y
  • Sego D
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A vast amount and variety of mine tailings are produced around the
world each day. These mining wastes must be properly managed. To
evaluate mine tailings disposal technology, the appropriate engineering
properties of the tailings must be ascertained. The results of a
laboratory investigation on the engineering properties of four different
tailings are presented. First, some of the basic properties of the
tailings are described. Large-strain consolidation tests and hydraulic
conductivity tests are then described. The techniques for saturating
and placing the tailings sample prior to carrying out the consolidation
tests are given. Column drying and shrinkage tests for investigating
the desiccation behavior of mine tailings are outlined. Furthermore,
water retention characteristic tests using both the pressure-plate
extractor and the saturated salt solution desiccator are outlined.
Finally, shear strength parameter tests are described. The engineering
properties derived from these tests are then presented and compared
with the published results on similar types of tailings.

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  • Yun×in (Jason) Qiu

  • D.C. Sego

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