After each layer tamp 25 times for good compaction Then take the weight of the cylinder with aggregate Place the apparatus with the test sample and plunger in position on the compression testing machine Apply the compressive load of 40 tons in 10 mins Then remove the specimen from machine and sieve the aggregates through mm
Get PriceThe aggregate crushing value ACV provides relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Two versions available 150 standard and 75 mm dia The apparatus comprehend cylinder plunger base p View Details Send Enquiry aggregate crushing value test report nigeria
Get PriceThe aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing apply a gradually increasing compressive load The strength of aggregate is calculated by the crushing value test The aggregates used should be strong enough to with stand the stresses which comes on to it
Get PriceAggregate crushing value is defined as the percentage by weight of the crushed or finer material obtained when the test aggregates are subjected to a specified load under standardized conditions and the strength of the aggregate used in road construction is expressed by numerical index
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Get PriceStep 1 First the aggregate sample sieve through sieve and collect it which is retained in 10mm sieve Step 2 Now the sample should be dried through the oven up to 4 hours at 100 deg to 110 deg Step 3 Then the aggregate sample should be filled in the metal cup by 3 layers Each layer should be tamped 25 times by the tamping rod
Get PriceThen aggregate impact value is expressed as the percentage of fines formed in terms of the total weight of the sample Observations Table Aggregate crushing value test for road aggregates Aggregate abrasion value test of coarse aggregates using Los Angels machine Tags Aggregates Newer Older
Get PriceGeneral description Aggregate crushing Value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Ten Percent Fines Value used for testing aggregate smaller than 10 mm Comprises 150 mm or 75mm diameter steel cylinder plunger base plate tamping rod and metal measure
Get PriceAs an alternative to the crushing value the aggregate impact value gives a relative measure of the resistance of an aggregate to a sudden shock or impact Properties like crushing impact and abrasion resistance do not usually exceed the limits imposed by the standards expected for the use of recycled aggregates when compared to virgin
Get Pricethese properties include aggregate crushing value acv [41] los angeles abrasion laa [42] test and the 10% fines value tfv [43] 1 crushing value of aggregatean aggregate
Get PriceThe aggregate crushing value is a numerical index of the resistance of an aggregate to crushing under a gradually applied compressive load It is expressed as the percentage by mass of the crushed or finer material obtained when the test sample is subjected to a specified load under standard conditions
Get PriceThe Aggregate Crushing Value ACV Set Dia 75 mm provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Used for the mm particle sizes aggregates AG1120 set consists of steel cylinder plunger base plate cylindrical measure and tamping rod
Get PriceComparable to BS 812 110 A082 Comprising 150 mm nominal diameter steel cylinder plunger base plate tamping rod and measure 115 mm diameter x 180 mm deep Used for aggregate passing mm and retained by mm sieve Weight 20 Kg approx A083 Comprising 75 mm nominal diameter steel cylinder plunger base plate tamping rod and
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Get PriceThe results obtained show that ACV value for aggregates are % % % and % for crushed granite slag hoggin all in aggregate and river gravel respectively This
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Get PriceAggregate crushing value PARTICULARS TRIAL1 Weight of dry sample passing through IS sieve and retained on 10mm IS sieve A Weight of aggregate passing through IS sieve after test B Aggregate crushing value B/A x 100 TRIAL2 MEAN The ratio of the weight of fines formed to the total sample weight in each test shall be expressed
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Get PriceCrushing Value Apparatus ACV Aggregate Crushing Value Device $ $/ Set 1 Set Min Order CN Cangzhou Festar Instrument CO LTD
Get PriceThe crushing value test of aggregate provides the resistance of an aggregate sample to crushing under a gradually applied compressive Generally the test is conducted on aggregate passing mm and retained on a 10 mm aggregate sample is filled in a cylindrical mold and a load of 40 tons is applied through a plunger in a compression testing machine
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Get PriceChapter 7 Standard Test Procedures Tests For Aggregates And Bricks MAY 2024 Page Results Calculate the mean of the two values determined to the nearest whole number Report the mean as the Aggregate Crushing Value unless the individual results differ by more than times the mean value In this case repeat the test on two further specimens calculate the median of the four
Get PriceCrushing resistance of coarse aggregate is the key to the stability and durability of the skeleton structure of permeable asphalt PA mixture To determine the technical requirements of crushing value of coarse aggregate used in PA mixture step loading compression tests were conducted on the mixtures of PA 13 and a control asphalt mixture AC 13 respectively
Get PriceThe aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Consists of a piston piston cover base plate tamping rod and measure Available in two sizes HS 4170 = 75mm HS 4171 = 150mm
Get PriceMake LabTek Model SL AG 00 Origin India Standards IS 2376 PART IV BS 812 111 Specification The Aggregate Crushing Value ACV test set provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive set consists of steel cylinder plunger base plate cylindrical measure and tamping rod
Get PriceAggregate Crushing Value Test Significance Test The aggregates crushing value test should be performed as per IS code 2386 Part IV First fill the sample aggregate with onethird of the cylindrical measure in three layers Each layer should be tamped 25times freely After filling the sample aggregate weigh and record it as W1 Now fill the aggregate in the mould along with the plunger on top
Get PriceThe apparatus as per IS 2386 Part IV 1993 consist of Impact Testing Machine A testing machine weighing 45 to 60 Kg and having a metal base with a heavy lower surface of not less than 30 centimetre in diameter It is supported on plane and level concrete floor of minimum 45 cm thickness The machine should have provision for fixing its base
Get PriceAggregate Crushing Value Manufacturer and Supplier Consists of Case hardened Mild steel cylindrical container of 150mm dia x 130mm to 140mm high with base plate 200 to 230mm square x 6mm thick
Get PriceThe Aggregate Impact Value AIV M2/M1 x100 19 % 23 % AIV = M2/M1 100% Average aggregate impact value of the sample is 21 % DISCUSSION 1 Give the impact value of a good aggregate to ensure the strength of the aggregate used in road construction Aggregate impact value is measure of toughness of aggregate
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