Transfer aggregate sample from cylindrical measure to cut fitted in an impact test machine and apply 25 strokes of the rod to compact it Then the hammer is lifted 380mm and falls on the upper surface of aggregate which fills in the cup A total of 15 blows are applied on the cup each delivered at an interval of not less than 1 second...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!
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Transfer aggregate sample from cylindrical measure to cut fitted in an impact test machine and apply 25 strokes of the rod to compact it Then the hammer is lifted 380mm and falls on the upper surface of aggregate which fills in the cup A total of 15 blows are applied on the cup each delivered at an interval of not less than 1 second
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Procedure of Aggregate Impact value test The test sample normally aggregates sized 100 mm to 125 mm the aggregates should be dried by heating at 100110 0C for a period of 4 hours and cooled Sieve the material through 125mm and 100 mm IS sieves The aggregates passing through 125 mm sieve comprises the test material
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Aggregate impact value The value of aggregate impact test W1W2100 The value of aggregate impact test should not be more than 45 by weight of aggregates used for concrete other than wearing surface An impact value 35 is permissible for the bituminous macadam Maximum permissible impact value for the water bound macadam is 40
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Aug 31 2020 · Procedure of Impact Test The procedure of the impact value test includes the following series of steps 1 The aggregate samples of size 10mm to 125mm passing through 125mm sieve and retained on 10mm sieve are first taken and ovendried at a temperature ranging from 100 degree Celsius to 110 degree Celsius for about four hours 2
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Aug 29 2019 · AGGREGATE IMPACT VALUE TEST Object of the Experiment To evaluate the toughness of a stone ie the resistance of the aggregates to fracture under repeated impacts is called Impact Test This test is done to determine the aggregate impact value of coarse aggregate as per IS 2386 PartIV 1993
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The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact which in some aggregate differs from its resistance to a slow compressive load The test sample consists of aggregate the whole of which passes a
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Step 1 – First the aggregate sample sieve through 125mm 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
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Procedure of Aggregate Impact Test The test sample consists of aggregates sized 100 mm 125 mm Aggregates may be dried by heating at 100110° C for a period of 4 hours and cooled i Sieve the material through 125 mm and 100mm IS sieves The aggregates passing through 125mm sieve and retained on 100mm sieve comprises the test material
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The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact which in some aggregate differs from its resistance to a slow compressive load The test sample consists of aggregate the whole of which passes a
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Aug 29 2019 · Aggregate Impact Value Test as per IS 2386 PartIV 1993 Theory and Scope The property of a material to resist impact is known as toughness Due to movement of vehicles on the road the aggregates are subjected to impact resulting in their breaking down into smaller pieces The aggregate should therefore have sufficient toughness to resist
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Recommended aggregate impact value Precaution for aggregate impact value test The sample of aggregate should be sieved in circular motion or movement The sample aggregate should not be overheated on the oven The weight of samples and dust should be tamped with the help of a standard size tamping rod
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Jun 22 2014 · The aggregate impact value is expressed as the percentage of the fines formed wrt the total weight of the sample Aggregate Impact Value AIV 100M2M1 Where M1 Mass of the test specimen M2 Mass of the test specimen passing 236 mm test sieve
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AGGREGATE IMPACT VALUE APPARATUS BS 812 Consisting of A08004 TEST FRAME ASSEMBLY A08002 CYLINDRICAL MOULD dia 102x50 mm
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The aggregate impact value is a measure of resistance to sudden impact or shock which may differ from its resistance to gradually applied compressive load Procedure of Aggregate Impact Test The test sample consists of aggregates sized 100 mm 125 mm Aggregates may be dried by heating at 100110° C for a period of 4 hours and cooled
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Calculate Aggregate Impact Value The ratio of the weight of fines formed to the total sample weight in each test shall he expressed as a percentage the result being recorded to the first decimal place Aggregate Impact Value W B W A × 100 Where W A is Weight of ovendried sample
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51 Impact Value as determined using the standard 45 kg 10 lbm hammer has direct application to design and construction of pavements and a general application to earthworks compaction control and evaluation of strength characteristics of a wide range of materials such as soils soil aggregates stabilized soil and recreational turf Impact Value is one of the properties used to evaluate
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Sep 12 2015 · Impact Test Fig3 Impact Test Setup The aggregate impact test is carried out to evaluate the resistance to impact of aggregates Aggregates passing 125 mm sieve and retained on 10 mm sieve is filled in a cylindrical steel cup of internal dia 102 mm and depth 5 cm which is attached to a metal base of impact testing machine
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3410 Aggregate Impact Value The impact test BS 812112 1990 as in the case of the compaction test BS 812110 1990 has been taken out of the set of standard tests used for determining the physical properties of aggregates for assessing their suitability for use in construction applications
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The Los Angeles LA abrasion test Figure 1 is a common test method used to indicate aggregate toughness and abrasion characteristics Aggregate abrasion characteristics are important because the constituent aggregate in HMA must resist crushing degradation and disintegration in order to produce a high quality HMA
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Dec 15 2017 · Aggregate Impact Value Test Machine 2 BS test sieve 3 A metal tamping rod 4 A weighing Balance 5 Aggreagate 6 6 PROCEDURE The test sample was prepared as follows 1 The sample was sieve through test sieves and then the material passing through the sieve and that retained on the sieve was collected 2 The cylindrical mould was measure and
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The aggregate impact test is carried out to evaluate the resistance to impact of aggregates Aggregates passing 125 mm sieve and retained on 10 mm sieve is filled in a cylindrical steel cup of internal dia 102 mm and depth 5 cm which is attached to a metal base of impact testing machine The material is filled in 3 layers where each layer is
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Aggregate impact testing machines are one of the most widely used and required testing machines which are used for the testing of the hardness and strength of the aggregate of different components We are one of the most successful companies which are engaged in the line of work of manufacture supply distribution export
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