Get a Quote

# stripping ratio calculation in mining

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 Online

### stripping ratio calculation in mining - 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.

Get Price

### averaging the operating stripping ratio for sinking mining ... Abstract: 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. ...

Get Price

### determining stripping ratio - basic mining techniques About Cpu Ratio Ram Calculator . Set the parameters of your planned system below, and a list of suitable Mac models will be displayed. Until 2010, 16:10 was the most popular aspect ratio for widescreen computer displays. For example, if you search for 7*9/0, you won’t see the calculator pop up because dividing by zero doesn’t create a value.

Get Price

### stripping ratios: what are they and why are they … The 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.

Get Price

### (ppt) calculating stripping ratios for area strip … Download scientific diagram | Failure properties of strip cemented gangue backll body. (a) the crack evolution of the backll body under uniaxial compression; (b) the crack distribution of the ...

Get Price

### stripping ratio and pit limit - basic mining techniques Apr 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 Price

### (pdf) stripping ratios pit limits cutoff grade ... Calculating 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 Price

### what is a stripping ratio? (with picture) The 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 Price

### how do you calculate the stripping ratio? - answers Jul 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 Price

### selection procedure of draglines for stripping operations ... stripping 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 Price

### what is break even stripping ratio? - answers Mar 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 Price

### break-even stripping ratio britannica The 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 Price

### 3.2.5: instantaneous stripping ratio abc 123: testing ... Stripping 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 Price

### determination of mining and retaining ratio for strip ... Jun 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 Price

### international journal of scientific … AVERAGE 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 Price

### ratio ram cpu calculator [g8fe70] Jan 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 Price

### (pdf) surface mine design - researchgate The 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 Price

### surface mine reserves Mar 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 Price

### net asset value in mining sell side handbook Jul 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 Price

### problem 6.2 (from page 178 introductory mining Striping 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

Get Price Our customer service team is here to help you 24/7.

Inquiry Online
Recent News