Jun 14 2012 · Aggregate impact value test 1 Aggregate Impact Value TestAim To conduct a test to determine aggregate impact value of Aggregate Impact Value gives a relative measure of the resistanceof an aggregate to a sudden shock or impact which differs fromcrushing 2386 Part tusImpact Testing Machine Tamping Rod Sieves 125mm 10mm ... 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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Dec 15 2017 · Classification of aggregates using Aggregate Impact Value is as given below Aggregate Impact Value Classification 20 Exceptionally Strong 10 – 20 Strong 2030 Satisfactory for road surfacing 35 Weak for road surfacing 5 5 APPARATUS 1 Aggregate Impact Value Test Machine 2 BS test sieve 3 A metal tamping rod 4
Feb 08 2012 · 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
Dec 29 2014 · Calculation • Aggregate impact value W₂W₁ x 100 percent W₁ g → The original weight of the oven dry sample W₂ g → The weight of fraction passing 236 mm IS sieve This is recorded correct to the first decimal place 8
Sep 05 2018 · AGGREGATE IMPACT VALUE TEST • The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact • 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
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
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 Impact Test on Aggregates
Mar 02 2017 · Upcoming SlideShare Aggregate Impact ValueAggregate Impact Value • The aggregate impact value gives relative measure ofThe aggregate impact value gives relative measure of the resistance of an aggregate to sudden shock orthe resistance of an aggregate to sudden shock or impactimpact the upper surface of the aggregate in the cup and
aggregate impact test ppt noa4lifenl crushing value of aggregate ppt Aggregate impact and crushing test Slideshare Feb 8 2012 Aggregates ppt LATIF HYDER WADHO 7234 views 105 per cent of the Aggregate Crushing Value and Live Chat Ppt For Recycling Of Coarse Aggregate Aggregate Impact Value Civil Engineering
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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