what is stripping ratio coal mining
Stripping Ratios: What are They and Why are They
2023.5.17 A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. Put simply, it represents the amount of waste material, also
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Stripping ratio mining Britannica
calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal. Stripping ratios can
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3.2.6: Maximum Allowable Stripping Ratio (SRmax)
Earlier in this lesson, we looked at the maximum stripping ratio, and we did it for coal seam. You will recall that the maximum allowable stripping ratio, SR max, also called break-even stripping ratio, is the maximum amount
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Break-even stripping ratio Britannica
In mining: Pit geometry. The break-even stripping ratio is a function of ore value and the costs involved. In coal mining: Contour strip mining. If the break-even stripping ratio
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Stripping Ratio in Open-Pit Mining, Types of
Stripping ratio is the ratio of the volume of waste rock stripped off to the volume of ore exploited during the process of surface mining. It indicates the volume of waste rock
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IFRIC 20 — Stripping Costs in the Production Phase of a Surface
2010.8.26 Overview of requirements. IFRIC 20 requires: The costs of stripping activity to be accounted for in accordance with the principles of IAS 2 Inventories to the
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Surface Mining Methods and Systems SpringerLink
2021.7.31 8.6.2 Stripping Ratio. Overburden Ration = d/t. This is a depth ratio often used by geologists. Mining engineers use a volumetric ratio. Overburden (m 3)/mineral
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Rational economic stripping ratios - Taylor Francis Online
2008.4.2 The economic stripping ratio used to define an economic mining block in an open pit coal mining situation is rationalised by considering the time value of money,
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