# specific gravity of dry aggregate

• ### SATURATED SURFACE-DRY SPECIFIC GRAVITY AND

SATURATED SURFACE-DRY SPECIFIC GRAVITY AND ABSORPTION OF AGGREGATES TXDOT DESIGNATION TEX-403-A CONSTRUCTION DIVISION 28 LAST REVIEWED SEPTEMBER 2014 4.3 Sample container wire basket of 3.35 mm (No. 6) or finer mesh or a bucket of approximately equal breadth and height with a capacity of 4–7 L (1–1-3/4 gal.) for

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• ### 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.

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• ### Determination of Specific Gravity of Fine Aggregates using

Take at least 25g of soil which has been passed through sieve#4 and place it in an oven at fixed temperature of C0for 24hours to dry it completely. Clean and dry the pycnometer thoroughly and find its mass (M1). Find the mass (M2) of pycnometer by placing dried soil in it. Add sufficient quantity of water to fill the pycnometer up to the given mark and then

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• ### Characteristics of Aggregates Shape Size Specific Gravity

The Fine Aggregate Test (ASTM C128 and AASHTO T 84) is a comparison of sample masses in oven-dry saturated surface-dry (SSD) and immersed conditions. This test method offers alternate procedures to determine specific gravity. Either a volumetric flask or a simple pycnometer can be used for the gravimetric procedure. For the volumetric procedure a special

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• ### BULK APPARENT EFFECTIVE SPECIFIC GRAVITY OF AGGREGATE

Mar 12 2019 · In this video we discuss in detail about the difference among apparent bulk effective specific gravity of aggregate.

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• ### Specific gravity and absorption of coarse aggregateThe

To determine the saturated surface-dry (SSD) and bulk specific gravity (relative density)and water absorption of natural mineral aggregates used in Portland cement concrete where ASTM-C-127 standard was used Apparatus Sample container. Water tank. Balance with a minimum capacity of 4000g. Suspended apparatus. Drying oven.

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• ### Solved The specific gravity and absorption test (ASTM

aggregate and the following data were obtained Mass of SSD sand = 500.0 g. Mass of pycnometer with water only = 623.0 g. Mass of pycnometer with sand and water = 938.2 g. Mass of dry sand = 495.5 g. Calculate the specific gravity values (dry bulk SSD and apparent) and the absorption of the fine aggregate.

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• ### Specific Gravity of a Blended AggregateMemphis

Specific Gravity (Relative Density) of a Blended Aggregate The specific gravity of a blended aggregate is not simply the weighted average of the specific gravities of the individual components. To derive an appropriate equation let s assume a blend of two aggregates

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• ### SPECIFIC GRAVITY OF AGGREGATE

Weight of saturated aggregates in air W3 g 4 Weight of oven dry aggregates in air W4 g 5 Apparent Specific Gravity W4 / W4(W1W2 ) 6 Bulk Specific Gravity W4 / W3(W1W2 ) Table 1 Observation Table for Specific gravity of Aggregate coarser than 6.3 mm S. No. Description Observed values 1 Weight of Pycnometer in air W1 g 2

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• ### AGGREGATE BLENDING ABSORPTION SPECIFIC GRAVITY

Aggregate Blending Absorption Specific Gravity 20 Fine Aggregate Specific Gravity CalculationsExample 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

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• ### SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATE

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 Minus No. 4 Material. When the fine aggregate sample (Minus No. 4) contains a substantial amount of No. 4Minus to Plus No. 8 Material such as in mineral aggregate for

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• ### Specific Gravity FormulasMemphis

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

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• ### Determination of Specific Gravity of Fine Aggregates using

Take at least 25g of soil which has been passed through sieve#4 and place it in an oven at fixed temperature of C0for 24hours to dry it completely. Clean and dry the pycnometer thoroughly and find its mass (M1). Find the mass (M2) of pycnometer by placing dried soil in it. Add sufficient quantity of water to fill the pycnometer up to the given mark and then

Get Price
• ### Specific Gravity FormulasMemphis

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

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• ### Specific Gravity of a Blended AggregateMemphis

Specific Gravity (Relative Density) of a Blended Aggregate The specific gravity of a blended aggregate is not simply the weighted average of the specific gravities of the individual components. To derive an appropriate equation let s assume a blend of two aggregates

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• ### SPECIFIC GRAVITY AND ABSORPTION OF COARSE

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 Gravitythe 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

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• ### Solved The specific gravity and absorption test (ASTM

aggregate and the following data were obtained Mass of SSD sand = 500.0 g. Mass of pycnometer with water only = 623.0 g. Mass of pycnometer with sand and water = 938.2 g. Mass of dry sand = 495.5 g. Calculate the specific gravity values (dry bulk SSD and apparent) and the absorption of the fine aggregate.

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• ### 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

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• ### SPECIFIC GRAVITY OF AGGREGATE

Weight of saturated aggregates in air W3 g 4 Weight of oven dry aggregates in air W4 g 5 Apparent Specific Gravity W4 / W4(W1W2 ) 6 Bulk Specific Gravity W4 / W3(W1W2 ) Table 1 Observation Table for Specific gravity of Aggregate coarser than 6.3 mm S. No. Description Observed values 1 Weight of Pycnometer in air W1 g 2

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• ### Specific Gravity And Water Absorption Test Of Coarse Aggregate

Specific Gravity of Aggregate = Dry Wt. Of Aggregate / Wt. Of Equal Volume Water = W4 / (W3- Ws)

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• ### SPECIFIC GRAVITY AND ABSORPTION OF COARSE

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 Gravitythe 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

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• ### SATURATED SURFACE-DRY SPECIFIC GRAVITY AND

SATURATED SURFACE-DRY SPECIFIC GRAVITY AND ABSORPTION OF AGGREGATES TXDOT DESIGNATION TEX-403-A CONSTRUCTION DIVISION 28 LAST REVIEWED SEPTEMBER 2014 4.3 Sample container wire basket of 3.35 mm (No. 6) or finer mesh or a bucket of approximately equal breadth and height with a capacity of 4–7 L (1–1-3/4 gal.) for

Get Price
• ### Solved The specific gravity and absorption test (ASTM

aggregate and the following data were obtained Mass of SSD sand = 500.0 g. Mass of pycnometer with water only = 623.0 g. Mass of pycnometer with sand and water = 938.2 g. Mass of dry sand = 495.5 g. Calculate the specific gravity values (dry bulk SSD and apparent) and the absorption of the fine aggregate.

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• ### Fun Fact Friday Aggregate Moisture Content Testing

Mar 06 2020 · Because the specific gravity of normal aggregate is higher than that of water and a given weight of wet aggregate will occupy a greater volume than the same weight of dry aggregate the specific gravity of the wet aggregate can be calculated based on the known specific gravity of the dry aggregate.

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• ### SPECIFIC GRAVITY AND ABSORPTION OF COARSE

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).

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• ### SPECIFIC GRAVITY AND ABSORPTION OF COARSE

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 Gravitythe 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

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• ### (PDF) Determination of the Specific Gravity and Water

The specific gravity may be expressed as bulk specific gravity (OD) bulk specific gravity (SSD) (saturated-surface-dry) or apparent specific gravity. The bulk specific gravity (SSD) and absorption are based on aggregate after 24 h soaking in water. This test method is not intended to be used with lightweight aggregates.

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• ### 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.

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• ### Properties of AggregatesCivil Snapshot

Jan 11 2021 · Specific Gravity. The ratio of weight of oven dried aggregates maintained for 24 hours at a temperature of 100 to 1100C 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

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• ### AASHTO T84 C128 Specific Gravity Fine AggregateYouTube

Oct 21 2012 · TechTraining LLC s abbreviated training video on specific gravity of fine aggregate

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• ### Standard Test Method for Relative Density (Specific

Relative density (specific gravity) is also used in the computation of voids in aggregate in Test Method C29/C29M. 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.

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• ### SPECIFIC GRAVITY OF AGGREGATE

Weight of saturated aggregates in air W3 g 4 Weight of oven dry aggregates in air W4 g 5 Apparent Specific Gravity W4 / W4(W1W2 ) 6 Bulk Specific Gravity W4 / W3(W1W2 ) Table 1 Observation Table for Specific gravity of Aggregate coarser than 6.3 mm S. No. Description Observed values 1 Weight of Pycnometer in air W1 g 2

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• ### SPECIFIC GRAVITY OF COARSE AGGREGATE AASHTO T 85

Bulk Specific Gravity (also known as Bulk Dry Specific Gravity) The ratio of the weight in air of a unit volume of aggregate at a stated temperature to the weight in air of an equal volume of gas-free distilled water at the stated temperature.

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• ### Specific Gravity and Water Absorption Tests on Aggregates

Formulas (1) Specific gravity = W 3 / (W 3(W 1W 2)) (2) Apparent specific gravity = W 4 / (W 4(W 1 1W 2)) (3) Water Absorption = ((W 3W 4) / W 4) X 100 The size of the aggregate and whether it has been artificially heated should be indicated. Though high specific gravity is considered as an indication of high strength it is not possible to judge the

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• ### Characteristics of Aggregates Shape Size Specific Gravity

The Fine Aggregate Test (ASTM C128 and AASHTO T 84) is a comparison of sample masses in oven-dry saturated surface-dry (SSD) and immersed conditions. This test method offers alternate procedures to determine specific gravity. Either a volumetric flask or a simple pycnometer can be used for the gravimetric procedure. For the volumetric procedure a special

Get Price
• ### 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. Typically aggregate used

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• ### Density of Cement Sand and Aggregate Bulk Density of

Absolute Specific Gravity = (Weight of oven-dried aggregate at 100°c for 24 hours) / (Weight of water s volume equal to that of aggregate s solids excluding pores) Essential Points Most of the aggregates possess a relative density within 2.42.9 with a similar particle density about Kg/m 3 ( lb/ft 3 ).

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