1 Coarse aggregate 20 mm 0 41 % 2 Coarse aggregate 10 mm 0 59 % 3 Fine aggregate 1 87 % f Aggregate Impact Value 20 52% g Combined Flakiness & Elongation Index 27 57 % h Sieve analysis 1 Coarse aggregate Conforming to all in aggregates of Table 2 of IS 383 2 Fine aggregate Conforming to Grading Zone III of Table 4 of
Get PriceEDUCATIONAL GUIDE TO AGGREGATES cemex uk screeds incorporate a coarse aggregate normally 10 mm maximum size but generally their that the voids in the fine aggregate which are generally in the range 25 40% will be filled 2024 kg/m3 or a loose bulk density not exceeding 1 20 Mg/m3 1200 kg/m3
Get PriceIs 2386 PartIll 1963 2 2 Method I Aggregate Larger than 10 mm 2 2 1 4 b 4 4 4 f > g> Apparatus The apparatus shall consist of the following Balance A balance or scale of capacity not less than 3 kg readable and accurate to O 5 g and of such a type and shape as
Get PriceDensity Weight Of 10 Mm Stone Aggregate Density Of 10mm 20mm 40mm Coarse Aggregate density of 10 mm stone aggregate sandre what is the bulk density range for 10mm coarse aggregate density of 20 mm stone aggregate 10mm aggregate and river modulus 2 78 2 97 bulk density aggregate of nominal sie 10 mm 20mm and 10mm aggregate in a range of
Get Pricem40 % pumice 28 days n/mm 2 1 m40 0% p 4 51 2 m40 10% p 5 58 3 m40 20% p 5 22 4 m40 30% p 4 88 5 m40 40% p 4 45 6 m40 50% p 3 98 and 0 2% recron 3s in concrete with
Get PriceFineness modulus is generally used to get an idea of how coarse or fine the aggregate is More fineness modulus value indicates that the aggregate is coarser and small value of fineness modulus indicates that the aggregate is finer 20 mm 10 mm 4 75 mm 2 36 mm 1 18 mm 600 micron 300 micron & 150 micron Record the weight of aggregate
Get PriceThe relative density specific gravity of an aggregate is the ratio of its mass to the mass of an equal volume of water Relative Density = Mass of the Aggregate / Mass of equal volume of water Key Features Most aggregates have a relative density between 2 4 2 9 with a corresponding particle mass density of 2400 2900 kg/m3 150 181 lb/ft3
Get PriceDepending on the mix design either can be used to make essentially any range of concrete strengths When you use a smaller aggregate such as the 10mm as your nominal coarse aggregate size the specific surface area of the total volume of coarse aggregate is much higher than for the 20mm aggregate
Get PriceCoarse Aggregate 0 5% Fine Aggregate 1 0 % MIX DESIGN Take Sand content as percentage of total aggregates = 36% Select Water Cement Ratio = 0 43 for concrete grade M35 From Fig 2 of I S 10262 1982 Select Water Content = 172 Kg From IS 10262 for 20 mm nominal size of aggregates Maximum Water Content = 186 Kg/ M 3
Get PriceTake a sample of aggregates by sieving through 12 5mm and retained on 10mm The aggregate shall be tested in dry surface conditions If dried by heating the period of drying shall not exceed 4 hours and temp shall be 100 110 deg C A sample shall be cooled down to room temperature before testing
Get Price1 1 Lightweight Aggregate Concrete 1 2 Aerated Concrete 1 3 No Fine Concrete 2 Types of Lightweight Concrete Based on Strength and Density 2 1 Low Density Concrete 2 2 Moderate Strength Concrete 2 3 Structural Concrete 3 Uses of Lightweight Concrete 4 Advantages of Lightweight Concrete
Get PriceAggregates influence the workability of plastic concrete and also the durability strength thermal properties and density of hardened concrete Particle size divides aggregates into two categories fine and coarse Most fine aggregates are sand and contain particles smaller than 3/8 in 10 mm
Get PriceUnit weight of 10mm aggregate unit weight or density of 10mm coarse aggregate/ crushed stone/ gravel/ coarse sand is ranging between 1525 kg/m3 to 1575 kg/m3 it means weight of 1 cubic meter of 10mm size course aggregate is around 1525kg to 1575kg or 1 525 to 1 575 MT
Get PriceFor example if the size of aggregate is increased from 10 mm to 63 mm under certain conditions the water/cement ratio can be decreased by 0 15 in that case increase in fine/coarse aggregate ratio will not prove useful as it may lead to an excess of middle sizes resulting in harshness of the mix Thus the maximum density theory has
Get PriceType of coarse aggregate Crushed Type of fine aggregate Crushed W f = 210 kg/m3 W c = 210 kg/m3 W = 2/3W f 1/3W c = 210 kg/m 3 [When coarse and fine aggregates are of different types] [When coarse and fine aggregates are of the same type use values in Table 3] Free water content W = 210 kg/m3 8 Cement content
Get Price2 1 2 Crushed Stone Sand Fine aggregate produced by crushing hard stone 2 1 3 Crushed Grace1 Sand line aggregate produced by crushing natural gravel 2 2 Coarse Aggregate Aggregate most of which is retained on 4 75 mm IS Sieve and containing only so much finer material as is permitted for
Get PriceThis density for practical purposes has to be determined at site for arriving at the exact quantities We can also assume the following dry loose bulk densities for calculation DLBD of Sand = 1600 kgs/cum DLBD of Aggregate = 1450 Kgs/Cum So Sand required = 0 072 1600 = 115 kgs and Aggregate required = 0 144 1450 = 209 kgs
Get Priceaggregate have openings ranging from 150 µm to 9 5 mm No 100 sieve to 3 ⁄ 8 in The 13 standard sieves for coarse aggregate have openings ranging from 1 18 mm to 100 mm 0 046 in to 4 in Tolerances for the dimensions of open ings in sieves are listed in ASTM E 11 AASHTO M 92 Size numbers grading sizes for coarse aggregates
Get PriceThe influence of four factors water binder ratio recycled coarse aggregate replacement rate fly ash substitution rate and superplasticizer content on the workabilities and mechanical properties of recycled coarse aggregate self compacting concrete RCASCC was studied using the orthogonal test method Based on the orthogonal test design and range analysis method of the fresh and hardened
Get PriceCoarse aggregate occupies 70% to 80% of the volume of concrete Aggregates are the material that the cement paste coats and binds together The quality of aggregates imposes a significant impact on the properties of concrete like workability strength weight durability etc
Get PriceEffect on density of PC by changing coarse aggregate size Full size image From Fig 14 for 13 MPa compressive strength 4 75 10 mm coarse aggregates gives cement content around 375 kg/m 3 The mixture proportioning of PC was divided into the following steps Step 1 Assume void ratio and aggregate size 10 4 75 mm or 20 10 mm
Get PriceUsually its diameter ranges from 10mm to 65mm Coarse Aggregate can be broken into the required sizes Most commonly used Coarse Aggregates in various construction projects are illustrated as under 10mm Aggregate 10 mm aggregate with bulk density of 1478 kg/m 3 is mainly utilized in preparation of RMC
Get PriceCoconut shell received attribute as a result of its lower density and advanced In the present paper the works done by various researchers by replacing Coconut shell as coarse aggregate has been studied and their conclusions have been compiled Coconut shell received attribute as a result of its lower density and advanced
Get PriceAfter that weight the aggregate mass that is inside the container and divide it by the volume of container This will give you the bulk density of the loose aggregates Compacted Bulk Density Compacted bulk density can be determined by filling the container in three layers and tamped each layer with a 16mm diameter rounded nosed rod
Get PriceFollowing are the density of coarse aggregate Broken stone ballast Dry well shaken=1600—1870 kg/cum Perfectly wet =1920—2240 kg/cum Shingles 3 38mm=1460 kg/cum Gravel Loose = 1600 kg/ cum Un disturbed =1920 2160 kg/cum Riprap =1280—1440 kg/cum Granite = 2630—2760 kg/cum Brick Ballast = 1200 kg/ cum Note Brick aggregate is not used in RCC work
Get PriceASTM C127 12 Density Relative Density Specific Gravity and Absorption of Coarse Aggregate BS 812 2 1995 5 3 Determination of Particle Densities and Water Absorption Method for Aggregates all larger than 10 mm BS 812 2 1995 5 4 Determination of Particle Densities and Water Absorption Method for Aggregates between 40 mm and 5 mm
Get PriceCoarse Aggregate Density Most of the aggregates possess a relative density within 2 4 2 9 with a similar particle density about 2400 2900 Kg/m3 150 181 lb/ft 3 Density of Concrete The density of concrete varies but is around 2 400 kilograms per cubic metre 150 lb/cu ft Density of Concrete Kn/m 3 Density of Concrete g/cm 3
Get PriceCombined Grading Aggregate sometimes analyzed using the combined grading of fine and coarse aggregate together as they exist in a concrete mixture This provides a more thorough analysis of how the aggregates will perform in concrete Sometimes mid sized aggregate around the 9 5 mm 3⁄8 in size is lacking in an aggregate supply
Get PriceIf iron shots are used on both the site coarse aggregate and the fine aggregate The density of the resulting concrete is as high as 5500 kg/m3 The compressive strength of such concrete is 20 to 21 N/mm2 Cement aggregate ratios are kept at 1 5 to 1 9 and water cement ratios are kept at 0 5 to 0 65 Uses of high density concrete
Get PriceThe CSC with 50% coarse aggregate replacement using coconut shell aggregates had an average weight of 2024 kg/m 3 which was close to the density of lightweight concrete The decrease in self weight was due to the density of coconut shell aggregates which was 550 kg/m 3 compared to the conventional aggregates with 1162 kg/m 3 Sabih et al 2024
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