You don't have to remember the density of sand though - our calculator has a preset value for density. What do you think? (13) Empty the mold and determine the weight of the mold. To do this project, you should do research that enables you to understand the following terms and concepts: To do this experiment you will need the following materials and equipment: Disclaimer: Quantity of sand = 1620 Kg = 1.62 tons. Write to us at "Sand Structure: Measuring Density and Porosity of Sand.". If you have any comments (positive or negative) related to purchases you've made for science projects from recommendations on our site, please let us know. The Density of Sand utility returns sand density based on sand conditions (wet/dry in bulk / packaged). Your email address will not be published. You can find this page online at: https://www.sciencebuddies.org/science-fair-projects/project-ideas/MatlSci_p024/materials-science/density-and-porosity-of-sand. However, as always that is based on an assumption or three. Remember that density is the mass per unit volume. The goal of this project is to measure the density and porosity of various samples of sand. It can also be thought of as how compacted or compressed a substance is. These materials have been eroded over time by natural forces like wind, ice, and moving water. Volume of sand in cubic foot = 0.9975 ×35.3147 = 35.22 Cuft. Proceeds from the affiliate programs help support Use the funnel to pour a sample of dry sand into the graduated cylinder. See fig-2. Another way to measure the air space is as a percentage of the total volume of the sand. As Geoffrey White states, the bulk density of some so-called “sharp sand” is around 1.6 and 1.8 t/m³. There are voids (empty spaces) in between the grains. Did you ever stop and think how it is that you can make the sand take up less space? The volume of the hole =Weight of sand in hole (W4)/Density of used sand (D1). Calculating density. The relative density of a soil is the ratio, expressed as a percentage, of the difference between the maximum index void ratio and the field void ratio of a cohesionless, free-draining soil; to the difference between its maximum and minimum index void ratios. Then empty the mold (M1). Sand Quantity = ( Sand Part / Concrete Parts ) * Concrete Volume = (1.5/5.5) * 2 = 0.5454 m 3. Whether you’re planning to build an elaborate patio or a paved driveway, you must first create a … Calculate the density. The result is the density of the metal measured in g/cm 3. Density of Cement = 1440 kg/ m 3 = 0.3636 X 1440 = 523 kg = 10.5 Approx. You’ll find a link to “I Did This Project” on every project on the Science Buddies website so don’t forget to share your story! Jameco Electronics. Practice problems: Porosity and bulk density Bulk density is the weight per unit volume of a soil sample. Sand Density. Reproduction of material from this website without written permission is strictly prohibited. The approximate density of sand is 1600 kg/m 3 (100 lb/ft 3). Record Ri to the nearest 0.001 in. Come back and tell us about your project using the “I Did This Project” link for the project you choose. We use cookies and those of third party providers to deliver the best possible web experience and to compile statistics. Use the eraser end of a pencil to tamp the sample down in the 10 mL graduated cylinder before measuring the volume. It will be equal to the volume of the sand alone plus the volume of the water alone minus the volume of the sand/water mixture. Also, determine the thickness of the surcharge base-plate, Tp. The density of the sand is affected if the sand is compacted (bulged) or loose and if it is wet or dry. Record the exact amount in your lab notebook. The volume of these voids in a sample of sand is sometimes referred to as the porosity of the sand. c Calculate the density of the sand density of sand g cm 3 3 d A miner has a from HSPD 217 at Suzhou University of Science and Technology Carolina Biological, and https://www.youtube.com/watch?v=Tnvd9OUPu3A, Mold Assembly (consisting of standard mold, guide sleeves, surcharge base-plate, surcharge weights, surcharge base-plate handle, and dial-indicator gage). Clean and dry both graduated cylinders, and repeat steps 2-9 three times for each type of sand you are testing (do at least four trials per type of sand). (6) Attach the mold to the vibrating table. Please log in (or create a free account) to let us know how things went. Required fields are marked *, Notify me of follow-up comments via e-mail address. r b = M s /V s = 575g/400cm 3 = 1.44g/ cm 3 . VISCOSITY GRADE BITUMEN – WHAT ARE THE TYPES AND THEIR SPECIFICATIONS? Compared to a typical science class, please tell us how much you learned doing this project. (3) Determine and record the mass of the mold and soil. Copyright © 2002-2020 Science Buddies. ASTM D 4253 – Standard Test Methods for Maximum Index Density and Unit Weight of Soils Using a Vibratory Table. the density of the solids is 2500 kg/m 3; the density of the liquid is 1000 kg/m 3 (1) Fill the mold with the soil (approximately 0.5 inch to 1 inch above the top of the mold) as loosely as possible by pouring the soil using a scoop or pouring device (funnel). The density of a material is scientifically defined as its mass per volume. We'll show you how to make the measurements to find out for yourself. The average of these readings is the final dial gage reading, Rf. The sand is then filled in the site hole from where the soil is excavated. Relative density is an index that quantifies the state of compactness between the loosest and densest possible state of coarse-grained soils. This lab is performed to determine the relative density of cohesionless, free-draining soils using a vibrating table. X 0.012 = 0.12 cu.m. Your email address will not be published. 1 cuft of sand = 46 Kg ( approx ) 35.22 Cuft of sand = 46 Kg × 35.22 = 1620 Kg. ASTM D 4254 – Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density. Coarse Aggregate = (Coarse Aggregate Part / Concrete Parts ) * Concrete Volume = (3/5.5) * 2 = 1.09 m 3 Multiply the bank weight by the load factor to get loose weight. Density is defined as mass divided by volume. 1) The density of a given material does not change based on the amount of material given (density of 1g of sand = density of 5000kg of sand). See fig-2. WHAT IS BLENDED CEMENT AND WHAT ARE ITS ADVANTAGES? The average of these twelve readings is the initial dial gage reading, Ri. Wet density of Soil in-situ = Mass of wet excavated soil (W4)/Volume of hole (V). Calculate the in-situ bulk density of soil Its particle density may be around 2.5 t/m³. The sides of the mold may be struck a few times using a metal bar or rubber hammer to settle the soil so that the surcharge base-plate can be easily placed into position and there is no surge of air from the mold when vibration is initiated. For any other use, please contact Science Buddies. Bulk density, or dry bulk density, is a property of soils and other masses of particulate material. Subtract the weight of the empty cylinder to get the mass of the sand sample itself. How does pencil-tamping affect the density of the sand sample? density of sand, Silica is equal to 1 538 kg/m³. To finish your measurement of density, divide the mass you measured by the volume you calculated. The density of the calibrating sand is first determined in the laboratory. Read the actual volume of sand using the markings on the graduated cylinder. Here's some good background information on the structure of sand: Astronauts bringing sand into space? (10) Determine and record the dial indicator gage readings as in step (7). This document describes methods for doing this. Volume of hole: Vh = (weight of sand in hole W9) / (bulk density of sand ρs) = 1.3953 kg / 1423.8 kg/m 3 = 9.8 x 10-4 m 3. The relative density is written in the following formulas: Science Buddies, a 501(c)(3) public charity, and keep our resources free for everyone. Spiraling motion should be just sufficient to minimize particle segregation. (12) Determine and record the mass of the mold and soil (M2). Bulk Density of Sand Specific Weight or Unit weight of Sand Unit weight or Specific Weight of sand is calculated by the product of the density of sand and the standard gravity of sand. W10 = bulk weight of the excavated soil = 1896.5 gm. Dry volume of motor required for plastering = 1.27 X … According to the US customary measurement system, dry weighs 1.631 gram per cubic centimeter, this density is equal to 101.8 pounds per cubic foot [lb/ft³]. Divide the mass of the sand by the volume of the sand. (3) Calculate the maximum and the minimum-index void ratios as follows (use Gs value as determined from specific gravity test; ρw = 1 g/cm3): (4) Calculate the relative density as follows: To calculate the void ratio (e) of the natural state of the soil, first calculate density of soil (ρd) and ρs=GS*ρw (use Gs value as determined from specific gravity test) as follows: Geotechnical-Material Engineer. To calculate the void ratio (e) of the natural state of the soil, first calculate density of soil (ρd) and ρs=GS*ρw (use Gs value as determined from specific gravity test) as follows: e = (ρs /ρd)-1 Obtain six sets of dial indicator readings, three on each side of each guide bracket. Weight of Coarse Aggregates = volume x density, Density of Coarse Aggregates = 1520 kg/m^3 Weight of Coarse Aggregates = 0.84 x 1520 = 1276.8 kg (1.28 tonnes) The above calculation you can use for all Grade of Concrete but just you have to put the different Grade of concrete like M10, M 15, M20, M25 etc. Post was not sent - check your email addresses! 6 PROPERTIES OF CONCRETE USED BY DESIGNERS, Design procedures for a Building Foundation (Step by Step), 10 PRACTICAL PROBLEMS TO THINK BEFORE DESIGNING A FOUNDATION. 7 FACTORS INFLUENCING REBOUND HAMMER TEST OF CONCRETE. Example - Calculating Slurry Density. What is the density of sharp sand? The load factor can be used to calculate the weight of the material per cubic metre/yard from bank to loose state. For sand, density is determined by multiplying the relative density (specific gravity) of the sand times the density of water. 2) The amount (volume or mass--thanks to water's density) of water displaced by an object is equal to the volume of the stuff that is displacing it. Science Buddies, a 501(c)(3) public charity, and keep our resources free for everyone. In Imperial or US customary measurement system, the density is equal to 96.01 pound per cubic foot [lb/ft³], or 0.89 ounce per cubic inch [oz/inch³]. Weigh the empty graduated cylinder on the kitchen scale. The swell factor can be used to calculate the volume increase. To know more about me just visit AboutMe, WITHOUT USING VIBRATORY TABLE IS THERE ANY ALTERNATE METHOD FOR FINDING RELATIVE DENSITY. The result is the percentage of the original volume of sand that is occupied by air in between the grains. Record the measured volume in your lab notebook. 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