May 01, 2007 Determination of Aggregate Bulk (Dry) Specific Gravity (Gsb) of Reclaimed Asphalt Pavement (RAP) and Reclaimed Asphalt Shingles (RAS) Appendix B.21 (continued) Effective: May 1, 2007 Revised: April 12, 2017 April 12, 2017 Manual of Test Procedures for Materials Page B.104 Appendix B.21 • Pb, (% AC) in RAP = 4.9%

Get Price1.1 This test method covers the determination of specific gravity and absorption of coarse aggregate. The specific gravity may be expressed as bulk oven dry (OD) specific gravity, bulk saturated surface dry (SSD) specific gravity, or apparent specific gravity.

Get PriceThis test method determines the specific gravity of coarse aggregates that have been soaked for a period of 15 hours (Figure 1). There are four determinations that may be made from this procedure. They are as follows: Figure 1 Coarse Aggregate Gravity Apparatus A. Bulk Specific Gravity (Gsb) (also known as Bulk Dry Specific Gravity)

Get Priceaggregate. 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.

Get PriceThe bulk specific gravity test is used to determine the specific gravity of a compacted HMA sample by determining the ratio of its weight to the weight of an equal volume of water. The bulk specific gravity test measures a HMA sample’s weight under three different

Get PriceThis 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).

Get Price1 SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATES AASHTO T 84 GLOSSARY Absorption: The increase in mass due to water in the pores of the material. 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

Get PriceAggregate 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

Get PriceAggregate 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

Get Priceof voids in aggregate in AASHTO T19 and the determination of moisture in aggregate by displacement in water in AASHTO T142. Bulk specific gravity determined on the saturated surface-dry basis is used if the aggregate is wet, that is, if its absorption has been satisfied. Conversely, the bulk specific gravity determined on the oven-dry basis is ...

Get PriceThis 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).

Get PriceMar 24, 2020 This test method covers the determination of specific gravity and absorption of coarse aggregate. 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.

Get PriceThe 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 Le Chatelier flask is needed.

Get PriceThe bulk specific gravity may be used in calculating the maximum theoretical specific gravity (G t) or the voids in the mineral aggregate (VMA) of a bituminous mixture. Water absorption may be used to determine the amount of free moisture within the aggregate. Figures 1 and 2 illustrate the theory of the bulk specific gravity determination ...

Get PriceBulk specific gravity of concrete materials Portland Cement 3.15 Pozzolan 2.2 to 2.8 Natural Aggregates 2.4 to 2.9 Water 1.0 Bulk specific gravity applies to porous materials. For non-porous materials the specific gravity and bulk specific gravity are the same. BULK SPECIFIC GRAVITY SATURATED SURFACE DRY (Gs(ssd))- The bulk

Get Pricebulk w gross wnet wpores BB B B G VVV ACBABC which is the formula given in the ASTM specification. Finally, the bulk specific gravity (OD) is the ratio of the oven‐dry mass of the particles to the mass of a volume of water equal to the gross volume of the particles: OD

Get Price2. DETERMINATION OF SPECIFIC GRAVPPY AND WATER ABSGRPTION 2.1 Object-i This test covers the procedures for determining the specific gravity, apparent specific gravity and water absorption of aggregates. Nor~ 1 -Threl main methods are specified for use according to whcr he e of the aggregate is large than 10 mm ( Method I ) between 40 mm

Get PriceDetermination of Fineness Modulus of Fine Aggregates 501 October 2013 Bulk Specific Gravity (Saturated Surface-Dry Basis), 507 October 2013 Absorption, and Solid Volume of

Get PriceThe aggregate is placed in a shallow tray and heated to about 110 0 C in the oven for 24 hours. Later, it is cooled in an airtight container and weighed. Procedure for Specific Gravity determination of Aggregate finer than 6.3mm. A clean, dry pycnometer is taken and its empty weight is determined.

Get PriceAug 30, 2021 Specific Gravity/Relative density of Coarse Aggregates- ASTM Standards. Ram Chand August 30, 2021. Specific gravity of an aggregate is defined as the mass of the aggregate in air divided by the mass of an equal volume of water. For example, an aggregate with a specific gravity of 2.50 means, aggregate is two and one-half time heavier than water.

Get PriceApr 26, 2020 Determine the specific gravity expressed as bulk specific gravity, bulk (saturated-surface-dry) specific gravity, as well as apparent specific gravity for three different samples of fine and coarse aggregates. Determine the percentage of water absorption for the three samples of fine and coarse aggregate after 24 hours of soaking in water.

Get PriceTranscribed image text: Samples of coarse aggregate from a stockpile are brought to the laboratory for determination of specific gravities. The following weights are found: Mass of moist aggregate sample as brought to the laboratory. 5,298 grams Mass of oven dried aggregate: 5,216 g Mass of aggregates submerged in water: 3,295 g Mass of SSD (Saturated Surface Dry) Aggregate: 5,227 g Find The ...

Get PriceThe aggregate is placed in a shallow tray and heated to about 110 0 C in the oven for 24 hours. Later, it is cooled in an airtight container and weighed. Procedure for Specific Gravity determination of Aggregate finer than 6.3mm. A clean, dry pycnometer is taken and its empty weight is determined.

Get PriceBulk specific gravity is also used in thecomputation of voids in aggregate inAASHTO T 19 and the determination of moisture in aggregate by displacement in water inAASHTO T 142. Bulk specific gravity determined on the saturated surface-dry basis is used if the aggregate is wet, that is, if its absorption has been satisfied.

Get PriceThis procedure covers the determination of specific gravity and absorption of coarse aggregate in accordance with AASHTO T 85-14. Specific gravity may be expressed as bulk specific gravity (G sb), bulk specific gravity, saturated surface dry (G sb SSD), or apparent specific gravity (G sa). G

Get PriceThe 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 Le Chatelier flask is needed.

Get Pricebulk w gross wnet wpores BB B B G VVV ACBABC which is the formula given in the ASTM specification. Finally, the bulk specific gravity (OD) is the ratio of the oven‐dry mass of the particles to the mass of a volume of water equal to the gross volume of the particles: OD

Get PriceApr 26, 2020 Determine the specific gravity expressed as bulk specific gravity, bulk (saturated-surface-dry) specific gravity, as well as apparent specific gravity for three different samples of fine and coarse aggregates. Determine the percentage of water absorption for the three samples of fine and coarse aggregate after 24 hours of soaking in water.

Get PriceBULK SPECIFIC GRAVITY (G mb) OF COMPACTED ASPHALT MIXTURES USING SATURATED SURFACE-DRY SPECIMENS FOP FOR AASHTO T 166 Scope This procedure covers the determination of bulk specific gravity (G mb) of compacted asphalt mixtures using three methods –A, B, and C– in accordance with AASHTO T 166-16.This

Get PriceBulk Specific Gravity Calculator. 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

Get PriceAggregate Specific Gravity. 2.1.1. Virgin Aggregate: Measure the Bulk (Dry) Specific Gravity of the coarse and fine aggregate fractions (KT-6, Procedure I II). 2.1.2. Reclaimed Material: KT-6, as indicated above can be used on extracted aggregate if a sufficient quantity is available.

Get PriceDetermination of Fineness Modulus of Fine Aggregates 501 October 2013 Bulk Specific Gravity (Saturated Surface-Dry Basis), 507 October 2013 Absorption, and Solid Volume of

Get PriceThe moisture content of aggregates in the field is much closer to the SSD state than the OD state. The bulk specific gravity (BSG) of aggregates is more accurately determined by the displacement method in the SSD condition. The moisture content can be calculated directly from measurements of (BSG) using the displacement method. Absorption Capacity:

Get PriceThe approximate bulk density of aggregate that is commonly used in normal-weight concrete is between 1200-1750 kg/m 3 (75-110 lb/ft 3). Here, the Standard test method for determining the bulk density of aggregates is given in ASTM C 29 (AASHTO T 19). [2] Relative Density of Aggregate [1] The relative density (specific gravity) of an aggregate ...

Get PriceRecommended Values of Specific Gravity and Water Absorption for Aggregates. The specific gravity of aggregates normally used in road construction ranges from about 2.5 to 3.0 with an average of about 2.68. Water absorption shall not be more than 0.6 per unit by weight. Read more : Specific Gravity of Fine Aggregates.

Get Price11 This test method covers the determination of bulk density (“unit weight”) of aggregate in a compacted or loose condition, and calculated voids between particles in fine, coarse, or mixed aggregates based on the same determination This test method is applicable to aggregates not ,...

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