DETERMINATION PRINCIPLES AND METHODS OF ECONOMIC STRIPPING RATIO UNDER MARKET ECONOMY

The economic stripping ratio is an important basis for determing OPen-pit final limit in open^pitdesign and a magor parameter for technico-economic demonstration. This paper discusses the determination of e- economic stripping ratio for open pit mines under the condition of market economy according to mining technologyof ore deposit and ore products price can be beared by low-section products.