Drones put the power of frequent surveying in your hands and accurate stockpile volume calculation data at your fingertips. It’s also far more accurate than “eyeballing” stockpile volumes. Using drones to measure stockpiles is cheaper and easier than using traditional surveying equipment. Prepare more accurate financial forecasts This influx of stockpile inventory data enables teams to tighten up worksite operations, which can include everything from financial forecasting and supply-chain management to accurate reconciliation. And you can measure progress as frequently as you want to fly. Drone surveying workflows provide dependable, highly accurate stockpile measurements. When you have accurate site surveys at your fingertips-and thus full oversight of your stockpile inventory-finding the answers you need gets a whole lot simpler. How much is sitting in the stockyard right now? How much is going in the crusher or mill? What do you still need to extract? How much have you moved since last Thursday? What was its true value, and did you sell it for the right price? Mine and quarry managers spend much of their time answering questions-or trying to answer questions-about quantities. Why accurate stockpile volume measurements matter Let’s break down how drones and photogrammetry help worksites improve stockpile measurement workflows and streamline site analysis. The 3D maps generated from those flights collect actionable data, including stockpile volume calculations.īy flying a drone to measure stockpile volumes instead of sending someone out to traverse a dangerous site, site management can track their inventories and site progress in a faster, safer, more reliable way. Construction sites also use drones to survey their sites more quickly. Using drones to measure stockpiles is quickly becoming a go-to surveying workflow for earthwork sites around the world.įor professionals in the mining and aggregates industries, stockpile inventory management is one of the primary use cases for drone surveying. Drone survey visualization platforms- like Propeller -leverage that accuracy to take a variety of measurements, including stockpile volumes. With geo-referenced images captured by a drone flying above your worksite, you can use photogrammetry to generate a 3D map of your site with measurements accurate to 1/10ft (3cm). You can also compare stockpile surveys to a final grade design file to calculate how much material you still need to add or remove. I am currently attempting to calculate an approximate measurement for the volume lost around the sides of the stockpile.Using drones to calculate stockpile measurements makes it easy to compare your current stockpile volumes to previous surveys and track site progress. There is lost volume on the top (from around the cones – see diagram) and around the sides of the stockpile in areas around the cones. The angle of repose (the angle that the ore settles to the horizontal) of the ore is also known, as is the maximum stockpile height.Īn ‘ideal’ stockpile would have a flat top and sides.It is demonstrated in the attached diagrams that due to the nature of cone-ply stacking, this is not the case. The stockpile has a limited width and length. The aim is to maximise the capacity of the stockpile, within a given space. I am in desperate need of some help with a materials handling problem which i am stumped on more specifically on calculating the volume of a stockpile that is built from a series of cones ('cone-ply')Ī cone-ply built stockpile is built with a series of cones (see diagram).
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