Coarse Aggregate Specific Gravity - Pavement Interactive

OverviewBackgroundResultsThe coarse aggregate specific gravity test (Figure 1) is used to calculate the specific gravity of a coarse aggregate sample by determining the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water. It is similar in nature to the fine aggregate specific gravity test.The coarse aggregate specific gravity test measures coarse aggregate weight under three different sample conditions: 1. Oven-dry (no water in sample). 2. Saturated surface-dry (SSD, water fil... See full list on pavementinteractive.org

SPECIFIC GRAVITY OF COARSE AGGREGATE AASHTO T 85

so that the particles are still saturated, but the surface of the particle is essentially dry. SCOPE Specific Gravity is the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water. Water, at a temperature of 73.4°F (23°C) has a specific gravity of 1. Specific Gravity is important for several reasons.

Specific Gravity of Coarse Aggregates: Its Importance & Test ...

Apparent Specific Gravity of Aggregates: It is calculated by measuring the weight of the oven-dry aggregate divided by its absolute volume excluding the natural voids in the aggregate particles. It is the realistic quantified data validated to use for the calculation of concrete mix proportioning.

SPECIFIC GRAVITY AND ABSORPTION OF COARSE AGGREGATE FOP FOR ...

Saturated Surface Dry (SSD) – condition of an aggregate particle when the permeable voids are filled with water, but no water is present on exposed surfaces. Specific Gravity – the ratio of the mass, in air, of a volume of a material to the mass of the same volume of gas-free distilled water at a stated temperature. Apparent Specific Gravity (G

AGGREGATE BLENDING, ABSORPTION, & SPECIFIC GRAVITY

Aggregate Blending, Absorption & Specific Gravity 20 Fine Aggregate Specific Gravity Calculations - Example Problem Given A = mass oven dry =489.3 B = mass of pycnometer filled with water = 666.5 C = mass pycnometer, SSD aggregate and water = 982.3 S = mass SSD aggregate = 500.1 File Size: 454KBPage Count: 44Standard Test Method for Relative Density (Specific Gravity ...

Relative density (specific gravity) (SSD) is used in the determination of surface moisture on fine aggregate by displacement of water in Test Method C70. Relative density (specific gravity) (SSD) is used if the aggregate is in a saturated surface-dry condition, that is, if its absorption has been satisfied.

SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATES AASHTO T 84

so that the particles are still saturated, but the surface of the particle is essentially dry. SCOPE Specific Gravity is the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water. Water, at a temperature of 73.4°F (23°C) has a specific gravity of 1. Specific Gravity is important for several reasons.

NOTE: SPECIFIC GRAVITIES NOT A LIST OF CERTIFIED AGGREGATES ...

Issue Date: 6/11/2020 The Ohio Department ofTranspotation 2020 Specific Gravity Report Producer Supplier Name PS Code Aggregate Size Bulk Dry SSD Absorption ELKO AGGREGATE‐WELLSTON 04847‐01 57 2.624 2.652 1.08 ENON S&G‐ENON 04611‐01 08 2.624 2.670 1.77 57 2.637 2.680 1.63 SD2 2.635 2.670 1.31 ERIE MATLS‐SANDUSKY 04206‐01

What is the specific gravity of fine aggregate? - Quora

Mar 24, 2018 · Specific gravities can vary widely depending upon aggregate type. Some lightweight shales (not used in HMA production) can have specific gravities near 1.050, while other aggregate can have specific gravities above 3.000.

Fundamentals of Concrete

specific gravity of material x unit weight of water For example, the specific gravity of a dry coarse aggregate (Gs) is 2.65. The unit weight of water is 62.4-lb/cu ft. The absolute volume of a 90-lb sample of the aggregate is: Absolute Volume = 90 lb / (2.65 x 62.4 lb/cu ft) = 0.544 cu ft.

SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATES AASHTO T 84

so that the particles are still saturated, but the surface of the particle is essentially dry. SCOPE Specific Gravity is the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water. Water, at a temperature of 73.4°F (23°C) has a specific gravity of 1. Specific Gravity is important for several reasons.

Bulk Specific Gravity Calculator - Easycalculation.com

Bulk specific gravity of aggregates can be defined as the ratio of oven-dry weight of the aggregate to the bulk volume of the aggregate particles. It is the ratio of mass of the substance at the stated temperature to the mass of the volume of the distilled water at the specified temperature.

Specific Gravity of Aggregate

Specific Gravity is defined as the ratio of Weight of Aggregate to the Weight of equal Volume of water. The specific gravity of an aggregate is considered to be a measure of strength or quality of the material. Aggregates having low specific gravity are generally weaker than those with high specific gravity.

Solved: This Is A Concrete Mix Design Example. Specific Gr ...

Specific Gravity Dry Unit Weight AC (%) MC (%) Cement 3.15 Water 1.00 Coarse Aggregate (CA) 2.54 BSG(OD) 90.2 lb/ft3 1.2 0.7 Fine Aggregate (FA) 2.5 BSG(OD) 1.45 1 . Given conditions: Water-cementitious ratio, W/C = 0.5 Bulk volume of coarse aggregate per unit volume (1 yd3) of concrete = 0.61 4.5 % Air 7 sack mix with 20% Fly ash (BSGFly ash ...

Specific Gravity and Water Absorption Tests on Aggregates ...

Specific Gravity is the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water. It is the measure of strength or quality of the specific material. Aggregates having low specific gravity are generally weaker than those with higher specific gravity values.

SATURATED SURFACE-DRY SPECIFIC GRAVITY AND ABSORPTION OF ...

2.2 Saturated surface-dry—the condition of the aggregate when all permeable pores of each particle are completely saturated with water and its surface has no free moisture. 2.3 Saturated surface-dry specific gravity—the ratio of the mass of SSD aggregate to the mass of an equal volume of water.

SPECIFIC GRAVITY AND ABSORPTION OF COARSE AGGREGATE

specific gravity, bulk saturated surface dry (SSD) specific gravity, or apparent specific gravity. The bulk (SSD) specific gravity and absorption are based on aggregate after 15 to 19 hours soaking in water. This method is not intended to be used with lightweight aggregate. 1.2 The specific gravity and absorption of coarse aggregate is normally ...

Test Equipment for Determining Specific Gravity of Aggregate

SSDetect™ Bulk Specific Gravity and Absorption of Fine Aggregates Test System— H-3384.3F The SSDetect system is a two-part, automated system that determines: Bulk Specific Gravity (dry), Bulk Specific Gravity (SSD), Apparent Specific Gravity, and Absorption of the fine aggregate, all in about one hour.

ASTM-Specific Gravity and Absorption of Aggregate by ...

Bulk SSD Specific Gravity for Placitas Fine Aggregate T-84 Bulk SSD Sp Gr Phunque Bulk SSD Sp GR 2.460 2.480 2.500 2.520 2.540 2.560 2.580 2.600 2.620 T-84 Bulk Dry Sp Gr Phunque Bulk Dry Sp GR Bulk Dry Specific Gravityfor Placitas Fine Aggregate

Specific Gravity Formulas

Specific Gravity (Relative Density) Calculations The following values are recorded as part of ASTM C127: A = mass of oven‐dry test sample in air, g B = of saturated‐surface‐dry test sample in air, g C = apparent mass of saturated test sample in water, g

SPECIFIC GRAVITY AND ABSORPTION OF COARSE AGGREGATE FOP FOR ...

This procedure covers the determination of specific gravity and absorption of coarse aggregate in accordance with AASHTO T 85-10. Specific gravity may be expressed as bulk specific gravity (Gsb), bulk specific gravity, saturated surface dry (Gsb SSD), or apparent specific gravity (Gsa).

FINE AGGREGATE SPECIFIC GRAVITY WORKSHEET

FINE AGGREGATE SPECIFIC GRAVITY WORKSHEET. North Dakota Department of Transportation, Materials and Research. SFN 2199 (7-2019) Pit Location Laboratory Number Owner Project Number Sampled From PCN Type of Material Submitted By Date Received. Weight of oven dry sample. grams (A) Weight of saturated surface dry sample in air. 500.0 grams

Bulk Specific Gravity - an overview | ScienceDirect Topics

The optimum asphalt content (OAC) of each mix was obtained at Av of 4% as per Superpave procedure. This involves the calculation of bulk specific gravity of aggregate blends and the bulk and maximum specific gravity of the mix. The resulted voids in mineral aggregates (VMA) and voids filled with asphalt (VFA) were estimated.

What is the difference between specific gravity and apparent ...

* Apparent Specific Gravity, Gsa.The volume measurement only includes the volume of the aggregate particle; it does not include the volume of any water permeable voids.

Density of Cement Sand and Aggregate | Cement Density | Sand ...

It is dry sand that has been moved or agitated to loosen the natural packaging process. Dry sand: 1602 kg / m 3. It is sand in its undisturbed natural form, where it has been partially compacted by rain and gravity over time, but is now dry; Packed sand: 1682 kg / m 3. Sand that has been packed manually or mechanically (compacted) Wet sand ...

METHOD OF TEST FOR SPECIFIC GRAVITY AND ABSORPTION OF COARSE ...

2. Bulk specific gravity (oven-dry basis). a. Use this procedure for bituminous mix aggregates, aggregate base and cement treated base aggregate. b. Specific Gravity = A/(B −C) 3. Bulk specific gravity (saturated surface -dry basis). a. Use this procedure for portland cement concrete aggregates. b. Specific Gravity = B/(B −C) 4.

Specific Gravity Of General Materials Table

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. For example, ammonium nitrate has a specific gravity (sg) of 0.73 while dry ammonium sulphate has a sg of 1.13 (1130 kilograms/cubic meter).

SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATE

aggregate. The specific gravity may be expressed as bulk oven dry (O.D.) specific gravity, bulk saturated surface dry (SSD) specific gravity, or apparent specific gravity. 1.2 The specific gravity and absorption of fine aggregate is normally determined on pass No. 4 material.

METHOD OF TEST FOR SPECIFIC GRAVITY AND ABSORPTION OF FINE ...

METHOD OF TEST FOR SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATE A. SCOPE This test method describes the procedure used for determining bulk specific gravity (saturated surface-dry basis) and absorption (after prescribed soaking) of fine aggregate proposed for use in portland cement concrete. B. REFERENCES California Test 201 - Soil and ...

CHAPTER 3 - PHYSICAL PROPERTIES OF LIGHTWEIGHT AGGREGATE

Figure 3.4 Schematic of Dry Lightweight Aggregate 3.5 Aggregate Bulk Density Aggregate bulk density is defined as the ratio of the mass of a given quantity of material and the total volume occupied by it. This volume includes the voids between, as well as the pores within the particles. Bulk density is a function of particle shape, density, size,

FINE AGGREGATE SPECIFIC GRAVITY WORKSHEET

FINE AGGREGATE SPECIFIC GRAVITY WORKSHEET. North Dakota Department of Transportation, Materials and Research. SFN 2199 (7-2019) Pit Location Laboratory Number Owner Project Number Sampled From PCN Type of Material Submitted By Date Received. Weight of oven dry sample. grams (A) Weight of saturated surface dry sample in air. 500.0 grams

SPECIFIC GRAVITY OF AGGREGATE

Procedure For Specific Gravity Determination Of Aggregate Finer Than 6.3mm 1.A clean, dry pycnometer is taken and its empty weight is determined. 2.About 1000g of clean sample is taken into the pycnometer, and it is weighed.

How to determine the specific gravity of aggregates? - The ...

Jul 13, 2020 · Specific Gravity = C / B − A; Apparent Sp. Gravity = C / C− A. Water absorption = 100 (B − C) / C. Where, A= the weight in gm of the saturated aggregate in water (A1 – A2), B = the weight in gm of the saturated surface-dry aggregate in air, and. C = the weight in gm of oven-dried aggregate in air.

Specific Gravity Of General Materials Table

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. For example, ammonium nitrate has a specific gravity (sg) of 0.73 while dry ammonium sulphate has a sg of 1.13 (1130 kilograms/cubic meter).

WHAT ARE THE PROPERTIES OF AGGREGATES FOR ... - CivilBlog.Org

Oct 01, 2016 · Specific Gravity. The ratio of weight of oven dried aggregates maintained for 24 hours at a temperature of 100 to 110 0 C, to the weight of equal volume of water displaced by saturated dry surface aggregate is known as specific gravity of aggregates. Specific gravities are primarily of two types. Apparent specific gravity; Bulk specific gravity

Determination of Specific Gravity & Water Absorption of Aggregate

The specific gravity most frequently required and easily determined, known as ‘gross apparent specific gravity’, is based on the saturated and surface-dry condition of the aggregate because the water absorbed in the pores of the aggregate does not take part in the chemical reaction of the cement and can, therefore, be considered as a part ...

Test Procedures for

2.3 Bulk Specific Gravity—the ratio of the oven-dry weight of the aggregate to the bulk volume of the aggregate particles. 2.4 Bulk Volume of an Aggregate—the volume of water displaced by aggregate in a SSD condition, including both the volume of the impermeable portion of the aggregate

Density, Specific Weight and Specific Gravity

NTP - Normal Temperature and Pressure - defined as 20 o C (293.15 K, 68 o F) and 1 atm ( 101.325 kN/m2, 101.325 kPa, 14.7 psia, 0 psig, 30 in Hg, 760 torr); Molecular weights can be used to calculate Specific Gravity if the densities of the gas and the air are evaluated at the same pressure and temperature.

METHOD OF TEST FOR SPECIFIC GRAVITY AND ABSORPTION OF FINE ...

METHOD OF TEST FOR SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATE A. SCOPE This test method describes the procedure used for determining bulk specific gravity (saturated surface-dry basis) and absorption (after prescribed soaking) of fine aggregate proposed for use in portland cement concrete. B. REFERENCES California Test 201 - Soil and ...

“Effect of Specific Gravity on Aggregate Varies the Weight of ...

dimensionless. The specific gravity of an aggregate is considered to be a measure of strength or quality of the material. The specify gravity test helps in identification of stone. The specific gravity of aggregates ranges from 2.5 to 3.0.Specific Gravity is the ratio of the weight of a given volume of