![]() ![]() On the other hand, if you have limited resources or budget, photogrammetry might be a better choice as it can be cheaper and easier to use. Ultimately, the availability and budget of resources will determine which option is best if you have access to high-quality LiDAR sensors and software with enough time and money to invest in them, LiDAR might be a better option. The volume of a cone is (pi/3)R²h but we know h is limited to about 0.7R. This gives a height of 0.7R where R is the radius of the pile. However, if the stockpiles are small, simple, or homogeneous, photogrammetry might be enough and more efficient. Since there is a risk of collapse, I would use the smaller number. Calculating and reporting stockpile inventories is now easier and faster in the latest version of the Virtual Surveyor drone surveying software. Additionally, if the stockpiles are large, complex, or heterogeneous, LiDAR might be a better choice. Hugenholtz et al., (2014) conducted a case study of a gravel stockpile measuring 252ft by 150ft by 22ft (77m by 46m by 7m), using an Aeryon Scout UAV at 330ft (100m) above ground level. Conversely, if you only need occasional and rough measurements for planning or monitoring purposes, photogrammetry might be sufficient and more cost-effective. Past studies have indicated that the aerial stockpile volumetric survey accuracy is close in value to that of LIDAR and GPS/GNSS. For instance, if you need regular and accurate measurements for inventory or accounting purposes, LiDAR might be a better option. If you are ordering a large amount of gravel, aggregate or slate maybe you would like to discuss it with us on 03, as there may be transport savings to be made on orders over 15 bulk bags, or on a loose tipped load of 20 tonnes or more.When determining which method is better for stockpile volume measurement, there is no definitive answer as it depends on several factors. Our gravel calculator can be used for most gravel and aggregates featured on our website. At Volatus Aerospace, our services can be used for many aggregate and mining applications, ranging from Volume Reports within 3 Accuracy to Contour Site Mapping, as well as Cut and Fill Analyses. Can you use the gravel calculator for all aggregates? Fast, Reliable, & Flexible Drone Volume Surveys. We estimate an area of 5 metres by 5 metres, with a depth of 40mm, would require approximately three bulk bags of aggregates, slate chippings or gravel. The depth you will need to select for your gravel or slate will always depend on the aggregate size and what the surface will be used for. A larger aggregate will settle and bond together better than smaller ones. A 20mm aggregate would need to be at least 40-50mm deep, and at least 50-60mm on driveways. You would usually lay a 10mm aggregate at a depth of 30-40mm, but on a driveway this would need to be at least 50mm. We recommend extending this to make it a square, as it is better to order too many aggregates than too few. In this video, Varun Sarwal, founder & CEO at Hammer Missions will explain what stockpile volume measurements are in construction and how to use drones to ac. For gardens, this can be trickier as the shape may not be a simple square. The app also provides information on sampling aggregates, conducting a sieve analysis of aggregates, definitions and a glossary of terms is provided. To calculate how much gravel you require for your garden, you must know the approximate area you are working with, and the desired depth. The Ontario Stone, Sand & Gravel Materials Reference App provides aggregate specifications for granular base and subbase, concrete, hot mix aggregates and other aggregates. You can get an estimate right now using the calculator above. ![]() All you need to know is the desired length and width of the driveway, along with what gravel depth you need. Gravel & Slate Calculator FAQs How much gravel do I need for my driveway?Ĭalculating an accurate estimate of how much gravel or aggregate you need for a driveway is simple with our gravel calculator. Note: This calculator is only intended as a rough guide to help you approximate the likely volume of gravel, slate or other aggregates needed for your project. ![]() The size information helps calculate how much gravel or slate you will require, while your post-code helps us calculate a cost estimate based on delivery. How do you calculate how much gravel is needed?Īll you need to know is the size of the area you wish to cover, what depth of gravel or slate you require, and your post-code. ![]()
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