Aggregate Crushing Value Test Procedure

The crushed aggregate sample which is finer than mm is separated and expressed as a percentage of the original weight taken in the mould The percentage of weight passed through the IS sieve is known as Aggregate crushing In situations when the aggregate value 30 or higher the result may be a mistake and in such cases the ten percent fines value should be determined

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Precautions And Observations In Aggregate Impact Test Precaution Of Aggregate Crushing Value Testing Precautions and observations in aggregate impact test posts related to apparatus of crushing concrete cubes objective of aggregate crushing value test precautions and observations in aggregate impact test unit The aggregate crushing value test gives a relative measure of the

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The apparatus of the aggregate crushing value test as per IS 2386 Part IV 1963 consists of 1 A 15cm diameter open ended steel cylinder with plunger and base plate of the general form and dimensions as shown in Fig 1 2 A straight metal tamping rod

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AGGREGATE CRUSHING VALUE IS 2386 Part 4 1963 May 08 2021· Aggregate crushing Value = W B /W A × 100 Record The mean of the two results is reported to the nearest whole number as the aggregate crushing value of the tested material Safety & Precautions Use hand gloves while removing containers from oven after switching off the oven To wear safety shoes & helmet during the time of

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27/05/2021· aggregate Crushing value= B/A 100 Where B is Termed as the weight of fraction passing mm IS sieve A is Termed as the weight of surface dried sample taken in a mold The aggregate crushing value should not be more than 45% by weight For aggregates used for concrete other than wearing surfaces and 30% by weight for concrete to be used

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The aggregates crushing value test should be performed as per IS code 2386 Part IV First fill the sample aggregate with one third 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

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Aggregates used in road constluction should be strong enough to resist crushing under trafﬁc wheel loads If the aggregates are weak the stability of the >precaution of aggregate crushing valueAGGREGATE IMPACT VALUE This test is done to determine the aggregate impact value of coarse aggregates as per IS Part IV

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Aggregate Crushing Value Test Safety Precaution; Aggregate Crushing Value Test Procedure and Limits 2021 Apr 24 2021 Aggregate Crushing value test procedure of Coarse aggregate is required to find out the relative measure of resistance of an coarse aggregate crushing under gradually applied compressive load

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Precaution Of Aggregate Crushing Value Testing Apr 24 2021 Aggregate Crushing Value test required to know the resistance strength of coarse aggregate Aggregate Crushing Value must be satisfied with resistance to crushing under the roller during [email protected]

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Aggregate Crushing Value Test Determine Aggregate The aggregate crushing value test gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Aggregate 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

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Aggregate Crushing Value Test Determine Aggregate Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load Coarse aggregate crushing value is the percentage by weight of the crushed material obtained when test aggregates are subjected to a

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08/02/2021· The aggregate impact value AIV is B AIV = × 100 % 1 ARESULTSAn average is taken of the two tests and the result is recorded to the nearestwhole number as the Aggregate Impact AIV is normally about 105 per cent of the Aggregate Crushing Value and itcan be used for the same purpose For weak aggregates the required load

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Aggregate Crushing Value Test Determine Aggregate May 05 2021· Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load Coarse aggregate crushing value is the percentage by weight of the crushed material obtained when test aggregates are subjected to a specified load under

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Calculate Aggregate Crushing Value The ratio of the weight of fines formed to the total sample weight in each test shall be expressed as a percentage the result being recorded to the first decimal place Aggregate Crushing Value = W B W A × 100 Where W A is weight of surface dry sample

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08/05/2021· Aggregate crushing Value = W B /W A × 100 Record The mean of the two results is reported to the nearest whole number as the aggregate crushing value of the tested material Safety & Precautions Use hand gloves while removing containers from oven after switching off the oven To wear safety shoes & helmet during the time of test

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19/12/2021· CALCULATION • Aggregate crushing value = B/A x 100% • The result should be recorded to the first decimal place and the mean of the two results reported • To achieve a high quality of pavement aggregate possessing low crushing value should be preferred 8

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17/05/2021· Concept and significance of the Aggregate crushing value test The aggregate crushing value test gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Aggregate 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

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