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Apr 07, 2020· And percentage of voids present in fine aggregate is calculated with the help of specific gravity of fine aggregate and their Loose bulk density by the following formula % of voids = {(Gs _R)/Gs}×100. Where Gs = specific gravity of fine aggregate and their value is 2.62. R = loose bulk density of fine aggregate = 1.398 kg/L

MoreThe 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

MoreDec 01, 2020· Bulk Density = Bulk Specific Gravity x 1000 kg/m 3. Bulk density of both fine and coarse normal aggregates varies within the range of 1450 to 1750 kg/m 3 (90 to 110 lb/ft 3) Bulk density is used when aggregate is to be batched by volume to convert quantities by mass to quantities by volume; Bulk density depends on how densely the aggregate is

MoreBulk density is equal to mass if the volume is unit. In the above definition, the volume contains both aggregates along with voids between aggregate particles. The approximate value of bulk density for aggregate usually used for normal-weight concrete varies between 1200-1750 Kg/m 3 or 75 to 110 lb/ft 3. Relative Density or Specific Gravity of

MoreDec 18, 2019· Index 1. Introduction 2. Bulk density 3. Bulking of fine aggregate 3. The bulk density or unit weight of an aggregate is defined as mass of the aggregate per unit volume .it is expressed in kg/liter. The factors affecting bulk density of aggregate are 1.How densely the aggregates are packed . 2.

Moreaggregate. 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.

MoreBulk Density Gravity Of Fine Aggregate Range 2.2 Apparent relative density (specific density)—the solid material making up the constituent particles not including the pore space within the particles that is accessible to water. 2.3 Bulk Specific Gravity—the ratio of the oven-dry weight of the aggregate to the bulk volume of the aggregate

MoreDec 01, 2020· Bulk Density = Bulk Specific Gravity x 1000 kg/m 3. Bulk density of both fine and coarse normal aggregates varies within the range of 1450 to 1750 kg/m 3 (90 to 110 lb/ft 3) Bulk density is used when aggregate is to be batched by volume to convert quantities by mass to quantities by volume; Bulk density depends on how densely the aggregate is

MoreContents:Properties of Aggregates and its Values for use in Construction1. Aggregates: Bulk Density, Specific Gravity and Voids2. Aggregates: Limiting Values of Mechanical Properties3. Approximate Water Absorption of Aggregates, by Weight4. Limits of Deleterious Materials (Percentage by Weight, Maximum)5. Bulking of Sands for Various Moisture Contents6. Surface Water Carried by Aggregates

MoreDec 18, 2019· Index 1. Introduction 2. Bulk density 3. Bulking of fine aggregate 3. The bulk density or unit weight of an aggregate is defined as mass of the aggregate per unit volume .it is expressed in kg/liter. The factors affecting bulk density of aggregate are 1.How densely the aggregates are packed . 2.

MoreThe bulk density and void percentage of aggregate can be evaluated using standard test methods of applicable codes such as ASTM C 29/C29M-17a, IS: 2386 (Part 3) 1963, or BS 812-2:1995. The procedure provided in this article is based on the specification of ASTM standard (

MoreThe fine aggregate is natural sand that has been washed and sieved to remove particles larger than 5 mm, and the coarse aggregate is a gravel that has been crushed, washed and sieved so that the particles vary from 5 to 50 mm in size.The fine and coarse aggregate is delivered separately. As they need to be sieved, a prepared mixture of fine and coarse aggregate is more expensive than the

MoreCalculate: The percentage of voids is calculated as follows Percentage of voids = [(Gs ϒ)/Gs]*100 Where, Gs = Specific gravity of the aggregate ϒ = Bulk density in kg/litre 3.2.1 Procedure for Loose Bulk Density 1.

More1.1 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 exceeding 125 mm [5 in.] in nominal maximum size.

MoreCan the absorption capacity of a fine aggregate (sand) be as large as 8%? If so, is such sand suitable for concrete casting. Specific gravity of aggregate = ( 2.5 2.75 ) Bulk density of

Moremethod determines the bulk density on a dry basis. 4.3 Aprocedure is included for computing the percentage of voids between the aggregate particles based on the bulk density determined by this test method. 5. Apparatus 5.1 Balance—A balance or scale accurate within 0.1 % of the test load at any point within the range of use, graduated to

MoreJan 09, 2015· Objective Determination of unit weight or bulk density and void of aggregates. Equipments Name Capacity 1. Balance Sensitive to 0.5% of weight of material 2. Cylindrical metal measure Of 3 litre capacity (for fine aggregate) Of 15 litre capacity (for aggregate upto 40mm) 3. Tamping rod 16 mm dia. and 60 cm long Sample Preparation []

MoreThe mix design shows fine aggregate absorption to be 2% and coarse aggregate absorption to be 1%. The batch plant operator measures the aggregate moisture and finds that the fine aggregate moisture is at 5%. The coarse aggregate, just delivered, has a moisture content of 0.5%. The operator computes the add-water as follows: Fine aggregate

MoreThis video is a sample from the dedicated Online Learning Platform for Civil Engineering & Construction launched & hosted by Trikona Conskill. Trikona is a p...

Moredensity lower than normal density aggregates (natural sand, gravel, and crushed stone), sometimes and is referred to as low density aggregate. Structural lightweight aggregate-Structural aggregate meeting the requirements of ASTM C 330 with bulk density less than 70 lb/ft³ (1120 kg/m³) for fine aggregate

MoreSpecific gravity of aggregate = ( 2.5 2.75 ) Bulk density of aggregate = ( 1.5 1.85 ) S.G.docx. 5.23 MB; Bulk Density. The specific gravity of soil particles lay within the range of 2.65

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