Continuous mining operations in an open pit require calculation and averaging the operational stripping ratio. There is a classical approach to calculate the average operational stripping ratio, but this method is graphical and has some errors.
Inquiry OnlineContinuous mining operations in an open pit require calculation and averaging the operational stripping ratio. There is a classical approach to calculate the average operational stripping ratio, but this method is graphical and has some errors.
Get PriceAbstract: In the world of mining, calculation of reserves was the most decisive in exploration activities. The results of the calculation of coal reserves were needed to evaluate the economic value of a mining operation to be planned. Observation of fundamental data in the calculation of reserves was in ... Cross-section, Stripping Ratio. ...
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Get PriceThe volume measurement is commonly used in the mining and construction fields. 0985915 lbs - 1 cubic meter = 4048. Length in feet x Width in feet x Depth in feet (inches divided by 12). 1 Pound per Cubic Yard: Mass of 1 pound per volume of a cubic yard. bank depository. Volume: 92 cubic meters Tonnage: 22 tons.
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Get PriceApr 04, 2016 Determine the Stripping Ratio of the ore section (green zone) shown below: We know; SR = Waste/Ore, therefore; SR = 2500/5000 = 1:2 (i.e. 0.5) (i.e. one unit of waste is removed to recover 2 units of ore)
Get PriceCalculating stripping ratios. At their most basic, strip ratios can be calculated by dividing overburden thickness by ore thickness. For example, an overburden thickness of …
Get PriceThe Coal Area Strip Mine Formula • Strip Ratio = OB Thickness (in ft) * 11.11/ 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% coal recovery Your Turn • Use What You Have Learned About Calculating Stripping Ratios for Strip Mines and Break …
Get PriceJul 26, 2017 However a wide variety of units are used as well as indicated below: Hence the maximum allowable stripping ratio at pit limit is given as: SR (Overall) = Volume of Waste/Volume of Ore For Example: Determine the Stripping Ratio of the ore section (green zone) shown below: We know; SR = Waste/Ore, therefore; SR = 2500/5000 = 1:2 (i.e. 0.5) (i.e. one unit of waste is …
Get Pricestripping ratio calculation in mining. Stripping ratio Wikipedia. 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 … Read More
Get PriceMar 02, 2010 ISR S1 = Tons w Ton o = T w L w W w ρ w T o L o W o ρ o. (Equation 3.2.4) where T is strip thickness, L is strip length, W is strip width and ρ is material density. Since the density, width, and thickness of the ore and waste are assumed to be equal, this equation reduces to: ISR S 1 = L w L o.
Get PriceThe amount of ore uncovered is A4: A4 = 100 * 25 + 100 * 25 = 5,000 ft22A3 = 125 * 125 -100 * 100 = 5,625 ft2The instantaneous stripping ratio is: 5,625 SR (instantaneous) = = 1.125 5,000The overall stripping ratio with bench 7 removed is: 15,625 SR (overall) = = 0.48 32,500 Bench 8With mining of bench 8, another 5,000 ft2 of ore (A6) is removed.
Get PriceStripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process. The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process. In relation to its application in the mining of ore, the utility of the stripping ratio is the determination of the approximate ratio of …
Get PriceJun 06, 2009 How do you calculate the stripping ratio? - Answers. We divide the overburden thickness by ore thickness to get thestripping ratio For example if we have an …
Get PriceAVERAGE STRIP RATIO: Total waste divided by total ore within the ultimate pit. CUTOFF STRIPPING RATIO: Costs of mining a ton of ore and associated waste equals to net revenue from the ton of ore.
Get PriceJan 20, 2022 Making full use of the rock-arch effect and reasonably selecting a suitable mining and retaining ratio for strip mining in sedimentary bauxite can effectively improve the resource recovery rate and reduce in the support cost of stope. In the current study, we investigated the overlying strata of the goaf at a sedimentary bauxite mine, in Shanxi, China. According to the …
Get PriceThe program will first determine the lowest Instantaneous stripping ratio in the calculation area. The program will then determine in which direction the stripping ratio increases the least. If mining were to start in the area of lowest stripping ratio and then move one grid node in the direction of least increasing stripping ratio, the ...
Get PriceMar 04, 2021 The results of mining and geometric analysis showed that to ensure the production of 1500 thou t of coal with an average stripping ratio of 8 m 3 /t annually, it will be necessary to remove 12000 thou m 3 of overburden, including direct dumping—up to 3 thou m 3, truck-and-shovel—up to 7 thou m 3 and hydraulic method—up to 3 thou m 3 ...
Get PriceJul 20, 2017 Also note the strip ratios for each year (this is the amount of waste rock that is mined while mining the ore). The total material moved is calculated by multiplying the strip ratio with the ore depleted, then adding the ore depleted. A strip ratio of 10x and a depletion of 4.5 Mtonnes equates to 49.5 Mtonnes of material moved.
Get PriceStriping Ratio (SR) was 1.47 : 1 smaller than Stripping Ratio ( SR ) were set of 1.60 : 1. 1. Introduction 1.1 Background Exploration activities and calculation of mineral deposits reserves constitute an important step in the mining operation plan, so that the quantity and quality of mineral deposits must be known by value of
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