and retained on 20 mm IS sieve and was taken at 60% of the total coarse aggregates content. Fraction II was obtained by passing through 12.5m IS sieve and retained on 10mm IS sieve and was taken at 40% of the total coarse aggregates content. Fly ash having specific gravity of

Get PriceMaterial River Fine Coarse Aggregate (Basalt) Coarse Aggregate (Granite) Specific Gravity, (Gs) 2.75 2.8 2.9 From the given Table, basalt has shown that it has more strength than granite and is a better coarse aggregate 20mm 14mm 10mm 6mm 5mm 4.75mm 38 38 0.38 3.8 96.2--

Get PriceAug 10, 2017Coarse aggregate: Crushed granite of nominal maximum size of 20mm Oven dry relative density = 2.68 Fineness modulus = 2.60 Absorption = 0.4% (saturated surface dry) Bulk density = 1650 kg/m 3. γ c = Specific gravity of coarse aggregate (saturated surface dry)

Get Price1.3 Use Part II to determine a weight-based, sieve analysis for an aggregate sample requiring a washed sieve analysis. 1.4 Use Part III to determine a volume-based, sieve analysis for an aggregate sample. Perform a volumetric sieve analysis when aggregates with differences in bulk specific gravity greater than 0.3 are blended.

Get PriceDec 19, 2019Next, place the aggregates in the oven for 24 hours and measure the weight of oven-dried aggregates as C. Now calculate, Specific gravity= C/(B-A) and water absorption = 100 (B-C)/C according to this formula. To know more read, Specific Gravity of Coarse Aggregates: Its Importance

Get PriceThe Specific gravity test of aggregates device is used for the purpose of measuring the strength as well as the quality of the material. While, on the other hand, the water absorption test is done for determining the capacity of coarse and fine aggregates to hold water. The apparatus mainly comprises of a rigid frame, which comes equipped with

Get PriceSize of aggregates: The nominal maximum size of coarse aggregate should be as large as possible within the limits specified, but in no case greater than 1/4th of the min. thickness of the member. For most works, 20 mm aggregate is suitable. 40 mm and 10 mm size should be used for work specified. Plums above 160 mm should be

Get Priceb) Specific gravity of cement : 3.14. c) Chemical admixture : Super Plasticizer conforming to IS 9103 d) Specific gravity of. 1) Coarse aggregate 20 mm : 2.799. 2) Coarse aggregate 10 mm: 2.789. 3)Combined Specific Gravity of aggregate ( 20 mm- 60% 10 mm 40 % )=2.795. 4) Fine aggregate : 2.517. e) Water absorption: 1) Coarse aggregate 20 mm

Get PriceCOARSE AGGREGATE SPECIFIC GRAVITY WORKSHEET. North Dakota Department of Transportation, Materials and Research. SFN 10081 (6-2019) Pit Location Laboratory Number Owner Project Number Sampled From PCN Submitted By Date Received. Weight of oven dry sample in air. grams (A) grams (B) Weight of saturated sample in water. grams (C)

Get PriceAug 12, 2011The 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

Get Priceto investigate the effect of different coarse aggregate sizes i.e. 14 mm, 20 mm, 37 mm and 45 mm on the properties of PAC. Effect on PAC using two different grouting processes, namely pumping process and gravity process is investigated.

Get PriceThis test method covers the determination of relative density (specific gravity) and the absorption of coarse aggregate. The relative density (specific gravity), a dimensionless quantity, is expressed as oven-dry (OD), saturated-surface-dry (SSD), or as relative density (apparent specific gravity). The OD relative density is determined after drying the aggregate.

Get PriceJul 18, 2013This study presents results on the influence of specific gravity of coarse aggregate on the interfacial transition zone, permeability, and strength of concrete. The aggregate variables studied in this work were specific density (085, 120, 180, 265) and water /

Get PriceThe selection of water content is based on Table 2 of IS:10262:2009. Maximum water content for 20 mm aggregate and a slump value of 25 to 50 mm = 186.00 l. But in our problem the value of slump is 100 mm, so we need to alter the water content. Estimated water content. 186 + 6/100 X 186 = 197.16 litres.

Get Price20 mm Coarse Aggregates Crushed Stones in Bangalore Crushed granite stones of size mm and mm are used as coarse aggregate as per is part iii, the bulk specific gravity in oven dry condition and water absorption of the coarse. Sand Aggregates amp Rocks Coffs Harbour Landscape Centre.

Get Price20 mm size is used as coarse aggregates. Specific gravity, water absorption, sieve analysis tests were conducted to determine the properties. 4.3 WASTE MARBLE COARSE AGGREGATE (WMCA) Marble has been used as an important building material, especially for

Get PriceCoarse Aggregate: Coarse aggregate of the maximum sizes 20 mm, 16mm and 12.5mm is used for the preparation of concrete. Cement: The cement used to be locally available 53 Grade of ordinary Portland cement. The cement has a specific gravity of 3.15. Water: Portable water available in the laboratory with pH value of 7.0 and conforming. It is used

Get Price3.2—Specific gravity (relative density) 3.2.1—Definition 3.2.2—Determination of specific gravity 3.2.3—Significance of specific gravity or Screen Analysis of Fine and Coarse Aggregates." A sample of the aggregate is shaken through a series of wire-cloth sieves with square openings, nested one above the other in

Get PriceIn service the aggregate specific gravity is the effective one. The Rice maximum specific gravity of a mixture is used to determine the effective specific gravity of the aggregate. The measurement for Rice specific gravity is more reliable than the measurements for saturated surface dry (S SD) values for fine aggregate or coarse aggregate. I

Get PriceThe coarse aggregate has 20 mm maximum size, specific gravity and absorption were 2.67% and 1.1%. The fine natural sand has a fineness modulus of 2.74, specific gravity of 2.58, and maximum size of 5 mm. Then, 3 mixes were prepared using the Portland Cement on 3 different ratios of limestone.

Get Pricespecific gravity bulk specific gravity (ssd) absorption % sand equiv. number uncompacted voids* % 0041 (10149) sources of coarse and fine aggregate approved 3/8/1988 revised 10/8/2021 page 2 of 62. id number source name/location loose unit mass kg/m. 3

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 sb and absorption are based on aggregate after

Get PriceApr 21, 2020Coarse aggregate shall be piled in layers not exceeding 1.20 meters in height to prevent coning or segregation. Each layer shall cover the entire area of the stockpile before succeeding layers are started. Aggregates that have become segregated shall be rejected. Specific Gravity of aggregate

Get PriceThe specific gravity of the M-sand was found to be 2.6. COARSE AGGREGATE The fractions from 20 mm to 4.75 mm are used as coarse aggregate. The aggregate used in this project mainly of Granite rock which comes under normal weight category. The aggregates are locally available. Specific gravity of aggregate is 2.65.

Get PriceGranular material either natural/processed from deposits of sand, gravel or rock. Normally sized as coarse aggregate or fine aggregate. Coarse Aggregate is normally greater than 5mm. Fine Aggregate is aggregate less than 5mm. Can be a single sized material typically 20mm, 14mm, 10mm,or 7mm or a graded aggregate consisting of a blend of single sized aggregate.

Get PriceProperties of Coarse aggregates S. No. Characteristics Value 1. Type Crushed 2. Maximum size 20 mm 3. Specific gravity (20 mm) 2.83 4. Total water absorption (20 mm) 3.65 % 5.. Fineness modulus (20 mm) 7.65 4) Plastics Aggregates Plastic waste aggregate was used to replace natural coarse aggregates for making concrete cubes. These aggregates were

Get PriceThe most common classification of aggregates on the basis of bulk specific gravity is lightweight, normal-weight, and heavyweight aggregates. In normal concrete the aggregate weighs 1,520 – 1,680 kg/m 3, but occasionally designs require either lightweight or heavyweight concrete.

Get PriceMaximum Specific Gravity of Asphaltic Concrete Mixtures Calculations 1. Specific Gravity of Aggregate and Mineral Filler for Asphaltic Mixtures A. Coarse Aggregate (AASHTO T 85) sample in air, g Bulk Specific Gravity, Aggregate Q H G 𝑖 𝑖 R𝑖 P𝑦= ( − ) where A = mass of oven-dry test sample in air, g

Get Price(coarse aggregate 20 mm: 12.5 mm i.e., 70 : 30 as fixed earlier). Why specific gravity test is done? Specific gravity :- It is used to define the weight or density of a liquid as compared to the density of an equal volume of water at a specified temperature.

Get PriceTable 2. Properties of Aggregates Property Sand Coarse Aggregate 20 mm 12.5 mm Specific Gravity 2.62 2.71 2.70 Bulk Density (kg/m3) 1573 1477 1489 Fig. 1: Test set up for compressive strength test of concrete 3. RESULT DISCUSSION Results of observations are given in table 3 and fig. 2. Table 3. Compressive strength S.No. Cube designation

Get Pricemination of bulk specific gravity of coarse and fine aggregates respectively, except that Chapman flasks were used for fine aggregates. The bulk specific gravity (Gb) was cal culated as follows: A Gb = V - 200 where A = weight in grams of oven-dry sample in air, and V =combined volume in millimeters of saturated surface-dry sample and water.

Get PriceD. Coarse Aggregate Crushed granite aggregate of 20mm with value of 2.74 in specific gravity and retained through 20mm sieve and will be used for casting all Samples.7 is the result of fineness modulus and the aggregated have the 4.4% of water absorption. E. Mix Id Pumice Stone As An Coarse Aggregate

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