what is the range of the specific gravity of the coarse aggregate

Classification of Aggregates - Penn State Engineering

Classification of Aggregates The variability in density can be used to produce concrete of widely different unit weights, see Table (1). The most common classification of aggregates on the basis of bulk specific gravity is lightweight, normal-weight, and heavyweight aggregates.

The Effect of Aggregate Properties on Concrete

The Effect of Aggregate Properties on Concrete Concrete is a mixture of cementious material, aggregate, and water. Aggregate is commonly considered inert filler, which accounts for 60 to 80 percent of the volume and 70 to 85 percent of the weight of concrete.

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.

Specific Gravity of Coarse Aggregate & FINE AGGREGATE ...

Coarse Aggregate Specific Gravity Overview The 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.

Specific Gravity and Absorption of Coarse Aggregate

: To determine the specific gravity (bulk and apparent) and absorption capacity of coarse aggregate (AGG-5) Related Standard: ASTM C127. Definitions: Specific gravity is the ratio of weight in air of a unit volume of a material to the weight of an equal volume of water.

Specific Gravity of Coarse Aggregate | Mass | Water

specific gravity (SSD) or apparent specific gravity (SSD) and water absorption. These are all based on aggregate that has been soaked in water for 15 hours. Bulk specific gravity is the ratio of the weight in air of a unit volume of aggregate.

Specific Gravity of Coarse Aggregate | Mass | Water

specific gravity (SSD) or apparent specific gravity (SSD) and water absorption. These are all based on aggregate that has been soaked in water for 15 hours. Bulk specific gravity is the ratio of the weight in air of a unit volume of aggregate.

SPECIFIC GRAVITY OF COARSE AGGREGATE AASHTO T 85 - IN.gov

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.

Bulk Specific Gravity and Water Absorption of Aggregate

the impermeable portion of the aggregate particles and the volume of the permeable voids in the particles. The bulk volume of the aggregate is equal to the volume of water displaced by the aggregate in a saturated, surface-dry condition. 2.2 Bulk Specific Gravity—Bulk specific gravity is the ratio of the oven-dry weight of the

CIVL 1101 - Part 6 - Concrete Agregates - Civil Engineering

Whereas, bulk specific gravity (BSG) is a measure of the weight/volume of solids and pores of a material. ASG > BSG SSD > BSG OD However, since the porosity of most rocks used in concrete is 1 to 2%, the values of all specific gravities are approximately the same; in the range of 2.5 to 2.8.

Fine Aggregate Specific Gravity - Pavement Interactive

The fine aggregate specific gravity test (Figure 1) is used to calculate the specific gravity of a fine 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 coarse aggregate specific gravity test.

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.

Exp 3 & 4 Specific Gravity & Water Absorption - Civil ...

Specific gravities of our samples came out to be 2.8 which lies in the general range of specific gravity values. Water absorption value of our sample comes out to be 0.361, Value ranges from 0.1 – 2.0% for aggregate normally used in roads surfaces.

SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATE

1.5 When the specific gravity and absorption of the fine aggregate and the coarse aggregate are known, the combined aggregate specific gravity and absorption is determined, if necessary, utilizing Arizona Test Method 251.

Coarse Aggregate: Definition & Density - Video & Lesson ...

Relative density can be calculated by simply multiplying the specific gravity of the coarse aggregate, whose typical range is 2.4 to 2.9 and the density of water.

A Review of Aggregate and Asphalt Mixture Specific Gravity ...

Bulk specific gravity is defined as 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. Bulk

Properties of Aggregates and its Values for use in ...

Properties of Aggregates and its Values for use in Construction. Properties of aggregates such as bulk density, specific gravity, voids, water absorption and its values are presented in this article.

What is the specific gravity of soil? - Quora

Soil is complex material so textbook given specific gravity is average specific gravity. 3) specific gravity of soil is in Range of 2.65 to 2.9 4)Many Book showing that Specific Gravity of Coarse Aggregate is less than Fine Aggregate.

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 and in Test Method C1252. 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.

Improved Test Methods for Specific Gravity and Absorption ...

Based on the findings of Experiment 2, it was recommended that AASHTO T 85 be used for measuring specific gravity and absorption of coarse aggregate and the Modified AASHTO T 84 and SSDetect methods be used for measuring specific gravity and absorption of fine aggregate.

CHAPTER 4 AGGREGATES - Civil Engineering Department

4.5.1 Specific Gravity •The specific gravity of an aggregate is a characteristic of the material, which needs to be determined in making calculations of mix design ... • 1% by weight in coarse aggregate. Total 54 24 . c) Salt Contamination: • Aggregates from the seashore contain salt and have to be

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.

Coarse Aggregate: Definition & Density - Video & Lesson ...

Relative density can be calculated by simply multiplying the specific gravity of the coarse aggregate, whose typical range is 2.4 to 2.9 and the density of water.

SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATE

1.5 When the specific gravity and absorption of the fine aggregate and the coarse aggregate are known, the combined aggregate specific gravity and absorption is determined, if necessary, utilizing Arizona Test Method 251.

Specific gravity and absorption of fine aggregates - V31 ...

The objective of the experiment is to determine the bulk and apparent specific gravity and absorption of fine aggregate. ATOMIC TESTERS: Babina, Doreen Edsel M.