Pdf design of specific gravity factor of artificial. The low specific gravity and weight of plastic materials represent one of the principle advantages over other materials. The materials used in civil engineering constructions can. For example, beryllium has a specific gravity sg of 1. Varying concentrations of this solution have found a multitude of applications so that the general public is now well acquainted with the material. We are thankful to engineer ravi verma for submitting this very useful information to us. Civil engineering department materials of construction notes. Design of specific gravity factor of artificial lightweight aggregate article pdf available in indian journal of engineering and materials sciences 20. To settle the specific gravity of cement, kerosene is used.
Standard test method for theoretical maximum specific. Also read how to calculate unit weight of steel bar. Improved test methods for specific gravity and absorption. Specific gravity and heat of hydration test of cement rrb jeiesgatessc.
The standard method is to sample at random during pouring and make several 15cm cubes in standard moulds, set for 24 hours then cure for a further 6 days under water. If you need to print pages from this book, we recommend downloading it as a pdf. Specific gravity has a strong impact on the price, which gives it great importance. Asphalt is normally a residue product from the distillation of crude oil and, as refined, is a heavy, viscous material that is semisolid at normal atmospheric temperatures. Use the specific gravity of paraffin provided by the supplier or, if unavailable, use 0. Finding out the specific gravity is generally defined as the ratio between the mass of a specified volume of substance and weight of a corresponding volume of water. Well, here are the densities of some common construction materials. The materials used in the construction of engineering structures such as buildings, bridges and roads are called engineering materials or building materials. Importance of specific gravity of cement cement specific. Density is also called as unit weight of substance.
Specific gravity and absorption of c oarse aggregate astm c 127 88 scope. The specific gravity of an object is the ratio between the density of an object to a reference liquid. In effect, it tells how much heavier or lighter the material is than water. The specific gravity of most of the stones lies between 2. Inspect all materials used in the construction of concrete work at their source, on the job, or both. Material properties material properties for gases, fluids and solids densities, specific heats, viscosities and more. Lightweight chert is defined as aggreg ate that has a bulk specific gravity less than 2. Saadfahadresan 5 g is acceleration of gravity rate of change of velocity, given in ms2 4 specific gravity g s a ratio of soliddensityof material anddensity ofdistilledwaterat a temperature of4co. This test method covers the determi nation of specific gra vity and absorption. A broken stone should not be dull in appearance and should have uniform texture free from cavities, cracks, and patches of loose or soft material. Specific gravity materials, gasses and liquids table chart. The specific gravity of all other materials are compared to water as a fraction heavier or lighter density.
Unfortunately, this book cant be printed from the openbook. Unit weight of building materials used in construction works. Sfn 2199 72019 pit location laboratory number owner project number sampled from pcn type of material submitted by date received. The lechatelier flask is filled to a designated gradation with kerosene fluid, and a preweighed amount of cement is placed in the flask. Specific gravity is a measure of the relative density of a substance as compared to the density of water at a standard temperature. North dakota department of transportation, materials and research. Bituminous materials bituminous material, or bitumen in the form of asphalt, is one of the major highway construction materials used. Please note this is for reference purpose only and may vary from place and type of material. Special requirements in some cases, aggregates are required to meet special requirements for a particular use in construction as required by various sections of 904. Specific gravity of common materials material specific gravity kgdm3 acrylonitrylbuthadienestyrene abs 0. If you also have any other formula and shortcuts which can be used on construction site.
Sodium hypochlorite solutions have attained widespread use in. Aashto t 228 standard method of test for specific gravity of semisolid asphalt materials. Specific gravity and weight per cum of construction materials. Aashto t 209 standard method of test for theoretical maximum specific gravity gmm and density of hot mix asphalt hma. But water reacts with cement and forms calcium oxide. Civil engineering road engineering road construction materials construction materials and building construction materials binders. How to determine the specific gravity of concrete quora. For nonporous materials the specific gravity and bulk specific gravity are the same. Mass, weight, density or specific gravity of bulk materials. This handbook will discuss sodium hypochlorite solutions. Bulk specific gravity saturated surface dry gsssd the bulk. The specific gravity of soil generally ranges from 2. Density of construction materials are its mass per unit volume of materials.
In todays article, you are going to learn the unit weight of different building materials used in construction. For example, ammonium nitrate has a specific gravity sg of 0. Usually, our reference liquid is water, which has a density of 1 gml or 1 gcm3. They include bricks, timber, cement, steel and plastics. It is expressed in kgm3 or lbft3 and shows compactness of building material. Building materials laboratory manual fall 2007 2008 prepared by. Specific gravity of cement detailed explanation civilology. What are the densities of some common materials used in. Density specific gravity an overview sciencedirect. Calculate the bulk specific gravity of the briquette or fieldcompacted sample as follows. This method is not intended to be used with lightweight aggregate. Specific gravity wikipediaspecific gravity is commonly used in industry as a simple means of obtaining information about the concentration of solutions of. Specific gravity and weight per cum of construction materials free download as excel spreadsheet. Specific gravity of various materials, gasses and liquids.
Following table shows unit weight of materials used at construction site. Before starting you should know that what is unit weight the specific or the unit weight is the wight per unit volume of a material. To calculate specific gravity for any material, we have to use water. Determination of specific gravity of soil solids by. The specific gravity sg is a dimensionless unit defined as the ratio of density of the material to the density of water at a specified temperature. Standard specification for minimum requirements for agencies testing and inspecting road and paving materials. Density density of different solid materials, liquids and gases. The bulk ssd specific gravity and absorption are based on aggregate after 15 to 19 hours soaking in water. Organic matter and porous particles may have specific gravity. The specific gravity of all other materials are compared to water as a fraction heavier or fraction lighter density, no matter how small or large the fraction is. There are many building materials used in construction. Density of construction materials in kgm3 and lbft3. The specific gravity of soil solids is defined as the weight of soil solids to the weight of an equal volume of water. Bulk specific gravity of concrete materials portland cement 3.
Standard specification for astm liquidinglass thermometers. This test method covers the determination of the specific gravity of soil solids that pass 4. Specific gravity and heat of hydration test of cement. In the below table we have tried to cover the unit weight of building materials which are most commonly used at the construction site. As specific gravity is just a comparison, it can be applied across any units. This method of determining the specific gravity of soil is given here is applicable for soils composed of particles smaller than 4. Course content building stones metals clay products gypsum lime cements mineral aggregates concrete timber these materials are used in all civil engineering structures such as. Density represents the degree of compactness of material. Arthanareswaran lecturer department of civil engineering. Densities of common products in both imperial and siunits. Aashto t 245 standard method of test for resistance to plastic flow of asphalt mixtures using marshall apparatus. Balance a balance or scale of capacity not less than 3 kg, readable and accurate to o5 g and of such a type and shape as. All plastic materials are sold today on a cost per weight basis, not on a cost per unit volume basis. It is common to use the density of water at 4 o c 39 o f as reference at this point the density of water is at the highest specific gravities sg for common solids and metals can be found in the table below.
857 884 42 74 302 1146 1448 694 1406 396 256 618 1361 27 438 451 10 933 1062 401 145 1573 22 819 1526 1006 245 25 667 252 1306 494