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This document gives the determination of aggregate crushing value ACV of aggregates This gives a relative measure of the resistance of the aggregate crushing under the gradually applied compressive load The method is applicable to aggregates passing a 140 mm test sieve and retained on a
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Standard aggregate crushing value apparatus application the aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load supplied complete with cylinder plunger base plate tamping rod and measure
View DetailsAs 1141211997 r2016 methods for sampling and testing aggregates aggregate crushing value foreign standard specifies the method for determining the aggregate crushing value by tamping a measured mass of sieved material 14 mm nominal size in a standard cylinder crushing with a plunger and determining the mass passing a 236 mm sieve
View DetailsFor other size fractions a recommended method is described in an appendix to this standard the method is not suitable for testing aggregates with an aggregate crushing value higher than 30 and in such cases the method for ten per cent fines value described in bs 812111 is applicable
View DetailsPer cent material passing a specified sieve after crushing the procedure described in sabs method 842 is followed definition the 10 per cent fines aggregate crushing value is the force in kn required to crush a sample of 13295mm aggregate so that 10 per cent of the total test sample will pass a 2 36 mm sieve 2 apparatus as in sabs
View DetailsCrushing value of coarse aggregate practile volues aggregate crushing value of aggregates with cement bs 812 part 110 describes a method to determine the aggregate crushing value acv which gives a relative measure of the crushing resistance of aggregate under an increasing compressive loadthe method is applicable to aggregates passing a 140 mm test sieve and retained on a 100 mm
View DetailsThe aggregate crushing value should not be more than 45 by weight 77 aggregate crushing value and 10 fines value 771 the aggregate crushing value gives a relative measure of the resistance of the aggregate to crushing under a gradually applied compressive load 7712 scope
View DetailsTest name methods for determination of aggregate crushing value acv code bs 812 part 110 is 2386 the apparatus for the standard aggregate crushing test as per is 23861963 read more iii aggregate crushing value and aggregate impact value 21 the properties in aggregate crushing value test the aggregate is subjected to get price get price
View DetailsAggregate impact values aivs below 10 are regarded as strong and aivs above 35 would normally be regarded as too weak for use in road surfaces aggregate impact values and aggregate crushing values are often numerically very similar and indicate similar aggregate strength properties aggregate impact value test specifications
View DetailsAggregate crushing value of coarse aggregate note 1 the aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load with aggre gate of aggregate crushing value 30 or higher the result may be anomalous and in
View DetailsJan 09 2018nbsp018332the 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
View DetailsObjective for determination of the aggregate crushing value of coarse aggregate of size ranging from 10 mm to 125 mm aggregate crushing value acvtesting procedure all 20140104183 test name methods for determination of aggregate crushing value acv code bs 812 part 110 is 2386
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View DetailsAggregate crushing value acv and ten percent fines value tfv these tests are a measure of the crushing properties of aggregate and use the same basic equipment the acv test requires a standard load of 400 kn to be applied over a period of 10 minutes while the tfv test measures the force required to produce a specified depth of plunger
View DetailsThe average crushing value in the different tests is the actual crushing value of aggregate important points to remember it is recommended that the crushing value of aggregate should be less than 30 if it is more than 30 then 10 finer aggregate is suggested to use the aggregate whose crushing value is less than 30 can be used for
View DetailsAggregate abrasion value this test helps to determine the abrasion value of coarse aggregates as per is 2386 part iv 1963 the apparatus used in this test are los angles abrasion testing machine is sieve of size 17mm abrasive charge 12 nos cast iron or steel spheres approximately 48mm dia and each weighing between 390 and 445g ensuring that the total weight of charge is
View DetailsAggregate crushing value standard aggregate crushing value test aim to find aggregate crushing value of the given aggregate samplepparatus steel cylinder cylindrical measure steel temping rod balance compressions testing machine procedure the aggregate passing 12mm sieve and retained on 10 mm is sieve is selected for standard get price
View Details12 the values stated in either si units or inchpound units are to be regarded separately as standard the values stated in each system are not necessarily exact equivalents therefore to ensure conformance with the standard each system shall be used independently of the other and values from the two systems shall not be combined
View DetailsThe aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load crushing value is a measure of the strength of the aggregate the aggregates should therefore have minimum crushing value 3 apparatus the apparatus of the aggregate crushing value test as per is 2386
View DetailsPercentage of aggregate crushing value is below jkr standard specification in 75 this respect the limestone aggregate does not have a strength problem as the aggregate crushing value standard usa crushing plant
View DetailsThe aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load the oven dried and accurately weighed aggregates are subjected to crushing test on compression testing machine and weight of the resultant fines passing the specified is sieve to the total weight of
View DetailsGet this from a library standard method for fact value 10 percent fines aggregate crushing value of coarse aggregates south african bureau of standards
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