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... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.
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The following procedure is applied to find out the impact value of aggregate Aggregates for the test sample can be decided by passing it through 125 mm sieve and retained on 10 mm sieve The sieved aggregates should be dried in an oven and then filled in a cylindrical steel cup and tamped with 25 strokes by temping rod
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The procedure of determining aggregate impact value is according to IS 2386 More will the impact value more will be the strength of aggregate The elongated and flaky aggregate has low strength as it has a higher surface area and gets more stress on it
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The aggregate comprising the test sample shall be dried in an oven for a period of four hours at a temperature of 100 to 110°C and cooled measure shall be filled about onethird full with the aggregate and tamped with 25 strokes of the rounded end of the tamping rod
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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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Jan 09 2018 · The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact which in some aggregates differs from Its resistance to a slow compression load The Indian Standard CODE IS 2386 Part IV – 1963 is used for procedure and classification of aggregate by result
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the test portion by heating at a temperature of 1050C plus or minus 50C to achieve a dry mass which is constant to within 01 Allow to cool and weigh 7315 Procedure a Carry out a sieve analysis using the test sieves in Table 731 Discard all aggregates retained on the 630 mm test sieve and all aggregate passing the 630 mm test sieve
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Aggregate Impact Value Test This procedure assesses aggregates passing the 132mm sieve and retained on the 95mm sieve 9 It measures fines pro duction by the repeated impact of a falling weight 135 to 140 kg onto a small confined sample 300 to 350 g
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The aggregate comprising the test sample shall be dried in an oven for a period of four hours at a temperature of 100110 °C and measuring cup shall be filled about onethird with the aggregate and gives 25 no of blows with tamping rod
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Dec 15 2017 · The aggregate impact value indicates a relative measure of the resistance of the aggregate to a sudden shock or impact which in some aggregates differs from its resistance to a slow compressive load From the calculations done we know that the aggregate can be acceptable as their Aggregate Impact value is less then 20 Aggregate Impact Value 10
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