Specific gravity is the ratio of mass of a volume of a liquid at 60f to the mass of an equal volume of pure water at the same temperature, i. Density and specific gravity 21 report sheet lab 2. Specific gravity of cement or desnsity of cement le. A soils specific gravity largely depends on the density of the minerals making. University, under the direction of professor ladis h. Also report the weighted average for any sample that has more than one size fraction tested. As what happened on the experiment, the alloy was not floating. To determine the specific gravity of cement, kerosene which does not recent with cement is used. For solids, specific gravity is an important parameter. It is permissible to report the average of two of the sample results if only one falls outside. Determination of the specific gravity and water absorption of the aggregates. Engineering properties of soils based on laboratory testing prof. Specific gravity of solids by density bottle method.
Density specific gravity an overview sciencedirect topics. Laboratory experiments experiment no 2 density and. May, 2020 specific gravity, ratio of the density of a substance to that of a standard substance. If we consider a soil mix, different particle in that mix has different specific gravity value. Standard test method for relative density specific gravity. Specific gravity of soil test civil engineering community. Simpson, research forest products technologist forest products laboratory, madison, wisconsin introduction knowledge about the density of wood is useful for estimating shipping weights. It is some times required to compare the density of the soil solids to the density of water.
This lab is performed to determine the specific gravity of soil by using a pycnometer. The flask is in scribed with a fill line to allow for consistent measures. Improved test methods for specific gravity and absorption. Density specific gravity specific gravity is defined by astm d4439 from volume 04. Density specific gravity an overview sciencedirect. In any list of the physical properties of a sub if determined at 25 c, the specific gravity is stance, its density or specific gravity is usually expressed as 250200 c, 250150 c, or 2504 c. This method of determining the specific gravity of soil is given here is applicable for soils composed of particles smaller than 4. Gsanyi, has been investigating this problem since the. Organic matter and porous particles may have specific gravity.
Krishna reddy, uic 4 12 field exploration methodsdemonstration engineering classification, boring logs and soil profiles practice examples a short report which details the weekly experiment will be due 1 one week after the completion of the lab. Determination of the specific gravity of micro quantities of bituminous. Specific gravity and absorption of coarse aggregate. Relative density specific gravity is also used in the computation of voids in aggregate in test method c29c29m. Specific gravity lab report free download as word doc. Specific gravity lab report density quantity scribd. For convenience, the following standards are generally used.
All of the materials in our environment have a fixed specific gravity. For example, valuable metals and gem stones are characterized by their. Astm d 85400 standard test for specific gravity of soil. A hydrometer is an instrument that measures the specific gravity of a liquid. The bulk ssd specific gravity and absorption are based on aggregate after 15 to 19 hours soaking in water. The relative density specific gravity, a dimensionless quantity, is expressed as ovendry od, saturatedsurfacedry ssd, or as apparent relative density apparent specific gravity. If the specific gravity of the material is less than 1, then that material floats in water. Specific gravity may be expressed as bulk specific gravity gsb, bulk specific gravity, saturated surface dry gsb ssd, or apparent specific gravity gsa. This comparison is in the form of ratio and is termed as the specific gravity of the. We calculate specific gravity to know the behaviour of the material in water.
Water absorption value of our sample comes out to be 0. Specific gravity of cement detailed explanation civilology. When the soil contains particles larger than the 4. View lab report experiment 3 from pee 314 at abubakar tafawa balewa university. The density of wood depends on specific gravity and moisture content.
The specific gravity lab was conducted on a soil sample collected at the southeastern portion of the fgcu food forest. Use the following information to write a soils technical report that includes all. The specific gravity of soil is defined as the unit weight of the soil mass divided by the unit weight of distilled water at 4c. The specific gravity of whole mix is the average specific gravity of all solid particles present in that mix. The specific gravity of soil generally ranges from 2. Pdf determination of the specific gravity and water. Density and specific gravity materials and methods part 1. Lab manual mainly deals with the common and standard laboratory tests on different types of soil. Lab conclusion this should be written like you are. Gases are often compared with dry air, having a density of 1. Astm d854 14 standard test methods for specific gravity of. Astm d854 14 standard test methods for specific gravity.
It is clear from table 1 in the theory part that the test was done on a sand sample of soil due to the range of the values of specific gravity. If the specific gravity is less than 1 it floats in water. If the specific gravity is greater than 1, then it sinks in water. Specific gravity is a unitless value that relates the density of a substancesoil and the density of water. Specific gravity lab report density quantity free 30. The the specific gravity is normally defined as the ratio between the weight of a given volume of material and weight of an equal volume of water. So if the specific gravity of any substance is known to us we can use the materials in suitable place of any work.
Specific gravity of soil test by pycnometer method. Edward walker density, the ratio of massvoume, has many applications in the chemical industry. The relationship between mass and volume is an important aspect of the characterization and specification of both solids and liquids. The density of oil is less than the density of water. Read improved test methods for specific gravity and. Urine specific gravity usg measures the concentration of particles in urine and the density of urine compared with the density of water. Trbs national cooperative highway research program nchrp report 805. Abstract specific gravity is used to determine the voids ratio, porosity, and degree of saturation if density and. Specific gravity is commonly used in industry as a simple means of obtaining information about the concentration of solutions of various materials, or of quality control for polymer materials. The specific gravity of an object is approximately equal to the ratio of its weight in air to its weight loss in water. Difference of density and specific gravity lab report class 237 performed. Some deleterious particles are lighter than the good aggregates.
Specific gravity is the ratio of the mass of a volume of a substance to the mass of an equal volume of some substance taken as a standard. Hydrometers work according to the archimedes principle. Aim to determine the specific gravity of soil solids using pycnometer. Standard test method for relative density specific. Field identification tests of soil and laboratory tests like grain size analysis by sieve and hydrometer tests, specific gravity test, moisture content determination test, organic content. Lab conclusion this should be written like you are turning it into an english teacher. Every material has its own specific gravity, and it usually ranges between 0. We first were asked from our laboratory instructor to attain an. Pdf laboratory soil testing report by arvind kumar jha. It was found that the specific gravity value obtained from the partially vacuum and. Improved test methods for specific gravity and absorption of coarse and fine aggregate develops test methods for determining the specific gravity and absorption of coarse and fine aggregates.
Specific gravity is the ratio of the density of a substance to the density of water 1. Specific gravities of our samples came out to be 2. Aggregates having low specific gravity are generally weaker than those with high specific. This should include observations that you made, data that you collected, and calculations that you performed. Specific gravity is the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water. In this lab investigation, we are mainly concerned with determining the density of solid.
Specific gravity is the ratio of the mass of unit volume of soil at a stated temperature to the mass of the same volume of gasfree distilled water at a stated temperature. Theory density is a physical property shared by all forms of matter solids, liquids, and gases. Laboratory soil tests university of technology, iraq. Pdf this research was carried out to develop a new testing method that capable to accelerate. Determination of specific gravity of cement and its importance. Specific gravity of soil test with sample report civiconcepts.
Specific gravity is the density of a substance divided by the density of water. We will study the supposed relationship between the amount of fluid displaced by an object and the amount of force that the displaced fluid. When reporting results of specific gravity, it is specific gravity 60 60f. Arvind kumar jha 2 lab report on determination of specific gravity of fine grained soil the specific gravity is calculated at temperature 27oc. That was because the specific gravity of the alloy is much larger than 1. Road research laboratory ministry of transport rrl. Material having higher specific gravity is generally considered as having higher strength. Aggregates having low specific gravity are generally. Specific gravity, moisture content, and density relationship for wood william t. In this experiment, we will investigate the specific gravity of liquids via construction of a hydrometer.
Specific gravity determination analytical testing lab. Specific gravity is a measure of a materials density mass per unit volume as compared to the density of water at 73. Solids and liquids are often compared with water at 4 c, which has a density of 1. The following data was collected at laboratory conditions for the completion of the specific gravity lab. Lab conclusion this should be written like you are turning.
The specific gravity of an aggregate is considered to be a measure of strength or quality of the material. Raw data the specific gravity lab was conducted on a soil sample collected at the southeastern portion of the fgcu food forest. Laboratory experiments experiment no 2 density and specific weight estimation for the liquids and solid materials. Specific gravity is defined as the ratio of weight of aggregate to the weight of equal volume of water. For most of the soils, specific gravity lies in the range of 2. Experiment 1 looks at two fluid properties, density and viscosity. The most common laboratory units for density are gcm3 gml, while industrially, a variety of different units are encountered. The average value of specific gravity of the tested soil sample equals to 2. Pdf laboratory soil testing report by arvind kumar jha arvind. If the material has a specific gravity greater than. The density units cancel, leaving specific gravity a unitless number. As the result, the object density surely will be bigger that the density of the water.
Specific gravity, moisture content, and density relationship. The specific gravity of aggregates normally used in construction ranges from about 2. Laboratory experiments experiment no 2 density and specific. One method for determining the specific gravity of soil solids utilizes a volumetric flask with a known volume e. Pdf determination of soil specific gravity by using partially. The soil sample taken for testing have to be completely oven dried. Coarse aggregate specific gravity pavement interactive. This method is not intended to be used with lightweight aggregate. Specific gravity of aggregates is considered as an indication of strength. The determining density and specific gravity lab tests student capabilities of using equipment to measure volume, mass, density, and specific gravity of solids and liquids with accuracy. This procedure covers the determination of specific gravity and absorption of coarse aggregate in accordance with aashto t 8510. But water reacts with cement and forms calcium oxide.589 246 356 493 750 852 939 1142 141 636 349 1264 421 20 518 972 823 915 520 1489 736 502 29 566 795 12 1396 849 559 1438 905 364 552 128 920 613 347 753 346 488 190 1326 548 507