The relative density (specific gravity) of an aggregate is the ratio of its mass to the mass of an equal volume of water. Relative Density = Mass of the Aggregate / Mass of equal volume of water. Key Features: Most aggregates have a relative density between 2.4-2.9 with a corresponding particle (mass) density of 2400-2900 kg/m 3 (150-181 lb/ft 3).

Get MoreAnswer (1 of 4): As a general rule for estimating purposes, it is usually around 140 to 145 pounds per cubic foot for most of the designs I've seen in the US. The actual unit weight may vary a little. This is assumed to be compacted. You determine how much you need by taking the area that you ...

Get MoreConcrete Asphalt weighs 2.243 gram per cubic centimeter or 2 243 kilogram per cubic meter i.e. density of concrete Asphalt is equal to 2 243 kg/m³. In Imperial or US customary measurement system the density is equal to 140 pound per cubic foot [lb/ft³] or 1.297 ounce per cubic inch [oz/inch³] . …

Get MoreA normal weight concrete weighs 2400 kg per cubic meter or 145 lbs per cubic foot (3915 lbs per cubic yard). The unit weight of concrete (density) varies depending on the amount and density of the aggregate, the amount of entrained air (and entrapped air), and the water and cement content.

Get MoreT209_short_12.docx Asphalt 15-1 Pub. October 2012 THEORETICAL MAXIMUM SPECIFIC GRAVITY (Gmm) AND DENSITY OF HOT MIX ASPHALT (HMA) PAVING MIXTURES FOP FOR AASHTO T 209 Scope This procedure covers the determination of the maximum specific gravity (Gmm) of uncompacted hot mix asphalt (HMA) paving mixtures in accordance with AASHTO T 209-12.

Get MoreThe specific heat capacity of materials ranging from Water to Uranium has been listed below in alphabetical order. Below this table is an image version for offline viewing. Material J/kg.K Btu/lbm.°F J/kg.°C kJ/kg.K Aluminium 887 0.212 887 0.887 Asphalt 915 0.21854 915 0.915 Bone 440 0.105 440 0.44 Boron 1106 0.264 1106 1.106 Brass 920 […]

Get MoreMaximum Density (Voidless unit weight) Section 4 - 5 Theoretical Maximum Specific Gravity of Bituminous Paving Mixtures (ASTM D2041) –The ratio of the weight in air of a unit volume of an uncompacted bituminous paving mixture at a stated temperature to the weight of an equal volume of gas-free distilled water at a stated temperature. It is

Get MoreDensity of Asphalt Concrete. Typical densities of various substances are at atmospheric pressure. Density is defined as the mass per unit volume.It is an intensive property, which is mathematically defined as mass divided by volume: ρ = m/V In words, the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance.

Get Morefor density tests on hot asphalt, the Planning and Research Division of the Colorado Department of Highways agreed to purchase a prototype nuclear density probe from the Nuclear-Chicago Corp. The purpose of this new device was to determine the compacted density of freshly laid hot asphalt concrete surface courses in the field. Design criteria

Get MoreAnswer (1 of 3): 2400kg per cubic metre is a good generic density. Sorry if you use the imperical system, I'm sure you can convert it easy enough. In real life though, it's a good idea to calibrate this figure based on tonnage used, average depth and coverage, especially if you are recieving mate...

Get MoreThe density of asphalt mixture; Summary How to calculate the weight of asphalt. In calculating the weight of asphalt, necessary is the volume and specific gravity. It can be derived by calculating the volume from the construction area and thickness of the asphalt pavement and multiplying the specific gravity of the asphalt used for pavement.

Get More= absorbed asphalt, percent by weight of aggregate. G se = effective specific gravity of aggregate. G sb = bulk specific gravity of aggregate. G b = specific gravity of asphalt. Calculation using bulk and effective gravities determined in sections 3.2. and 3.3. and asphalt specific gravity from Table 1. P ba = 100 x (2.726 - 2.652 ) (2.652 x 2 ...

Get MoreThese values for density of some common building materials were collected from sites across the Internet and are generally in agreement with multiple sites. Most are from BOCA or ASAE tables. However, if you have values that you believe are more accurate, use them for your calculations, and please send me an e-mail to let me know what your ...

Get Moreasphalt mixtures.A mixture that is properly designed and compacted will contain enough air voids to prevent rutting due to plastic flow but low enough air voids to prevent permeability of air and water. Since density of an asphalt mixture varies throughout its life the voids must be low enough

Get MoreChapter 11 MARSHALL METHOD OF ASPHALT-CONCRETE MIX DESIGN 11.1 INTRODUCTION Bituminous mixes (some times called asphalt mixes) are used in the surface layer of road and airfield pavements. ... It may be necessary to coat samples with paraffin before determining density. The specific gravity Gbcm of the specimen is given by 55 Wa G bcm = Wa - Ww ...

Get MoreConcrete, Asphalt weighs 2.243 gram per cubic centimeter or 2 243 kilogram per cubic meter, i.e. density of concrete, Asphalt is equal to 2 243 kg/m³. In Imperial or US customary measurement system, the density is equal to 140.0259 pound per cubic …

Get MoreConcrete, Asphalt weighs 2.243 gram per cubic centimeter or 2 243 kilogram per cubic meter, i.e. density of concrete, Asphalt is equal to 2 243 kg/m³. In Imperial or US customary measurement system, the density is equal to 140.0259 pound per cubic …

Get MoreAs for concrete itself, the density of concrete of normal weight is about 2,400 kg per cubic meter, or 145 lbs. per cubic foot. The concrete density varies depending on the amount and density of the aggregate, how much air is entrapped or purposely entrained, the cement concentration, and the maximum size of aggregate used.

Get MoreDensity is also called as unit weight of substance. It is represented by symbol called row ( p). Density represents the degree of compactness of material. If the material is of more density, it is more compacted material. Density is defined as the ratio of mass to volume. p = m/v Units = kg/m 3 or lb/ft 3 Conversion: 1 kg/m 3 = 0.624 lb/ft 3.

Get MoreFor more specific details on testing for theoretical maximum or asphalt specific gravity and density, refer directly to the ASTM D2041 or AASHTO T 209 test standards. You can also learn more about the SGA-5R Rice Shaker for Specific Gravity & Asphalt Rice …

Get MoreA Review of Aggregate and Asphalt mixture Specific Gravity measurements and their Impacts on Asphalt Mix Design Properties and Mix Acceptance By IJAERS Journal CHAPTER 24.

Get MoreAs specific gravity is just a comparison, it can be applied across any units. The density of pure water is also 62.4 lbs/cu.ft (pounds per cubic foot) and if we know that ammonium nitrate has a sg of 0.73 then we can calculate that its density is 0.73 x 62.4 = 45.552 lbs/cu.ft. Note, kg/cu.m divided by 16.02 = lbs/cu.ft

Get MoreAsphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac, bitumen macadam, or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. Asphalt mixtures have been used in pavement construction since the beginning of the twentieth century.

Get MoreASTM D 2726: Bulk Specific Gravity and Density of Non-Absorptive Compacted Bituminous Mixtures; Figure 1. HMA samples in three conditions. Background. Specific gravity is a measure of a material's density (mass per unit volume) as compared to the density of water at 73.4°F (23°C).

Get MoreHot Mix Asphalt Concrete Density, Bulk Specific Gravity, and Permeability John P. Zaniewski, Ph.D. Yu Yan Asphalt Technology Program Department of Civil and Environmental Engineering Morgantown, West ia 2/1/2013

Get MoreUnit or Specific Weight = Weight / Volume = W / V. What is Density? The density of any substance/material is its mass per unit volume, and it is expressed in KG/ m3 or lb/m3. The symbol Rho (ρ) represents it. Density describes the level of compactness of a substance. If the material has more density, that means it is more compact.

Get MoreThe Rice Test for Specific Gravity of Asphalt is a common test that measures the Theoretical Maximum Specific Gravity (G mm) of asphalt specimens. The test is an integral part of the quality assurance of asphalt mixtures. Free and entrapped air is removed from the asphalt sample to prepare for the test.

Get More1.1 This test method covers the determination of bulk specific gravity and density of specimens of compacted asphalt mixtures. 1.2 This test method should not be used with samples that contain open or interconnecting voids or absorb more than 2.0 % of water by volume, or both, as determined in 11.3 .

Get MoreIn the 1950s and 1960s, the Asphalt Institute was the de facto keeper of the Marshall standard and published it in "MS-2, A Manual of Mix Design Methods for Asphalt Concrete." ASTM and AASHTO both mirrored MS-2. In 1962, after much debate, the Asphalt Institute changed MS …

Get MoreBULK SPECIFIC GRAVITY (Gmb) OF COMPACTED HOT MIX ASPHALT (HMA) USING SATURATED SURFACE-DRY SPECIMENS FOP FOR AASHTO T 166 Scope This procedure covers the determination of bulk specific gravity (Gmb) of compacted hot mix asphalt (HMA) using three methods – A, B, and C – in accordance with AASHTO T 166-12.

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