A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process It represents the amount of waste material, also known as overburden, that must be moved in
In coal mining: Choosing a mining method …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 also consider the selling price of coal, and a certain minimum profit can be added to the total cost of producing and… Read More
In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore For example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock
what is stripping ratio coal mining ppt what chemicals are used in dolomite mining - Grinding Mill China Dolomite mining,Dolomite crusher,Dolomite …what is stripping ratio coal mining - Zenith Hot-sale Calculating Stripping Ratios for Area Strip Mines Mnge 315 PPT 文件 charged to the average stripping ratio you mine over the time
what is stripping ratio coal mining Stripping ratio - Wikipedia, the free encyclopedia In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some volume of
Calculating Stripping Ratios for Area Strip Mines The Coal Area Strip Mine Formula • Strip Ratio = OB Thickness (in ft) * 1111/ Coal thickness in inches – Assumes coal is 80 lbs/ft^3 (good for bituminous) – Area Strip Mine Geometry – Geologic Stripping Ratio – no accounting for rehandle or less than 100…
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