specific gravity of dry aggregate

  • br> SATURATED SURFACE-DRY SPECIFIC GRAVITY AND …

    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.

  • br> 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.

  • br> Bulk Specific Gravity Calculator - Easycalculation.com

    Bulk 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 …

  • br> NOTE: GRAVITIES NOT A LIST OF CERTIFIED AGGREGATES OR ...

    Issue Date: 1/27/2020 The Ohio Department ofTranspotation 2020 Specific Gravity Report Producer Supplier Name PS Code Aggregate Size Bulk Dry SSD Absorption BARRETT PAVING MATLS‐MIAMI RIVER STONE 4623B‐01 10 2.742 2.766 0.88 57 2.579 2.630 2.00

  • br> Determination of Aggregate Bulk (Dry) Specific Gravity ...

    Aggregate Bulk (Dry) Specific Gravity (Gsb) of Reclaimed Asphalt Pavement (RAP) and Reclaimed Asphalt Shingles (RAS) Appendix B.21 Effective: May 1, 2007 Revised: April 12, 2017 April 12, 2017 Manual of Test Procedures for Materials Page B.101 Appendix B.21 A. Natural Aggregate RAP Gsb

  • br> Q.What is the deference between specific gravity and bulk ...

    The knowledge of specific gravity is needed in calculation of soil properties like void ratio, degree of saturation etc. The specific gravity of soil particles lay within the range of 2.65 to 2.85.

  • br> Test Procedures for

    BULK SPECIFIC GRAVITY AND WATER ABSORPTION OF AGGREGATE TXDOT DESIGNATION: TEX-201-F MATERIALS AND TESTS DIVISION 5 – 10 EFFECTIVE DATE: JANUARY 2020 5.2.2 Dry sieve the sample and discard all material passing the No. 4 (4.75 mm) sieve and thoroughly wash to remove dust or other coatings from the surface of the aggregate.

  • br> 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).

  • br> Bulk Specific Gravity - an overview | ScienceDirect Topics

    James G. Speight PhD, DSC, in Asphalt Materials Science and Technology, 2016. 5.9.5 Bulk Specific Gravity. The bulk specific gravity is the ratio of the weight of a given volume of aggregate, including the permeable and impermeable voids in the particles, to the weight of an equal volume of water (Kandhal et al., 2000; Prowell and Baker, 2004; Sholar et al., 2005).

  • br> AGGREGATE BLENDING, ABSORPTION, & SPECIFIC GRAVITY

    Aggregate Blending, Absorption & Specific Gravity 15 Fine Aggregate Specific Gravity • ASTM C128 – Dry aggregate – Soak in water for 24 hours – Spread out and dry to SSD – Add 500 g of SSD aggregate to pycnometer of known volume • Pre-filled with some water – Add more water and agitate until air bubbles have been removed

  • br> 106.3.2.81 TM-81, Specific Gravity and Absorption of ...

    Bulk specific gravity is also used in the computation of voids in aggregate in test T 19. Bulk specific gravity SSD is used if the aggregate is wet, that is, if its absorption has been satisfied. Conversely, the bulk specific gravity OD is used for computations when the aggregate is dry or assumed to be dry.

  • br> SPECIFIC GRAVITY OF AGGREGATE

    Table 2 : Observation Table for Specific gravity of Aggregate finer than 6.3 mm 6. General Remarks 1.The specific gravity of aggregates normally used in construction ranges from about 2.5 to 3.0 with an average value of about 2.68. 2.Specific gravity of aggregates is considered as an indication of strength. Material having higher Specific

  • br> What is the difference between specific gravity and ...

    Apr 13, 2017· * 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. The mass measurement only includes the aggregate particle. Apparent specific ...

  • br> Specific Gravity of a Blended Aggregate - Memphis

    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 (A and B).

  • br> Fine Aggregate SSD at University of Utah - YouTube

    Sep 14, 2015· AASHTO T84 C128 Specific Gravity Fine Aggregate - Duration: 12:17. ... Saturated Surface Dry Condition - Duration: ... Specific gravity and absorption of coarse aggregates ...

  • br> Mass, Weight, Density or Specific Gravity of Bulk Materials

    The specific gravity of all other materials are compared to water as a fraction heavier or lighter density. 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 metre) (see table below)

  • br> Exp 3 & 4 Specific Gravity & Water Absorption - Civil ...

    OVEN DRIED SPECIFIC GRAVITY. It is the ratio of the oven dried density of the aggregate to the density of the gas free distilled water at a standard temperature (i.e. 4 o C). SATURATED SURFACE DRY SPECIFIC GRAVITY It is the ratio of the saturated surface dry density of the aggregate to the density of the gas free distilled water at a standard ...

  • br> Fine Aggregate Specific Gravity - Pavement Interactive

    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 in HMA production will have a bulk specific gravity between about 2.400 and 3.000 with 2.700 being ...

  • br> 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).

  • br> 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.

  • br> Classification of Aggregates - Pennsylvania State University

    Lightweight aggregates: As mentioned in the body of this paper, lightweight concrete contains aggregate that is natural or synthetic which weighs less than 1100 kg/m 3.The lightweight is due to the cellular or high internal porous microstructure, which gives this type of aggregate a low bulk specific gravity.

  • br> SPECIFIC GRAVITY OF COARSE AGGREGATE AASHTO T 85

    1 SPECIFIC GRAVITY OF COARSE AGGREGATE AASHTO T 85 GLOSSARY Absorption: The increase in weight due to water contained 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

  • br> SPECIFIC GRAVITY AND ABSORPTION OF COARSE …

    The specific gravity may be expressed as bulk oven dry (OD) 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 ...

  • br> Standard Test Method for Specific Gravity and Absorption ...

    This standard is issued under the fixed designation C 127; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of

  • br> WHAT ARE THE PROPERTIES OF AGGREGATES FOR CONCRETE ...

    5.2 Relative density is used to calculate the volume occupied by the aggregate in various mixtures containing aggregate including hydraulic cement concrete, bituminous concrete, and other mixtures that are proportioned or analyzed on an absolute volume basis. Relative density (specific gravity) is also used in the computation of voids in aggregate in Test Method C29/C29M and in Test Method C1252.

  • br> Coarse Aggregate Specific Gravity - Pavement Interactive

    1 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

  • br> 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

  • br> Fundamentals of Concrete - USDA

    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.