Jul 01, 2019· Aggregate impact value test set-up Procedure of Aggregate Impact value test The test sample: normally aggregates sized 10.0 mm to 12.5 mm. the aggregates should be dried by heating at 100-110 0C for a period of 4 hours and cooled.

MoreJan 23, 2018· Aggregate impact value = B/A x 100% iii) Two such tests should be carried out and the mean of the results should be reported. A sample proforma for the record of the test results is given in the below table. APPLICATION S OF AGGREGATE IMPACT VALUE

MoreJan 23, 2018· AIM: To determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) 1963. APPARATUS: i) Impact testing machine conforming to IS: 2386 (Part IV)

MoreJan 31, 2015· Aggregate impact value Calculation And uses 1. Created by Shahryar & CO. 2. This test is done to determine the aggregate impact value of coarse aggregates AIV is basically a % ratio of 2.36mm sieved aggregate to 14mm aggregate sieve. The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine Sieves of sizes 14mm, 10mm and

MoreJan 09, 2018· AIV test is conducted to determine the Aggregate Impact Value of Coarse aggregate. 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

MoreAggregate Impact Value Test as per IS 2386 (Part-IV) 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

MoreAggregate Impact Value; Test Specifications: Aggregate Impact Value. The test sample shall consist of aggregates the whole of which passes through ½ in B.S. test sieve and is retained on a 3/8 in B.S. test sieve. The aggregate comprising the test sample shall be dried in an oven for a period of four hours at a temperature of 100-110 °C and

MoreJul 16, 2014· Aggregate impact value test gives an indication of aggregate’s toughness property (i.e. property of a material to resist impact) Aggregate impact values are used to classify the stone aggregates with respect to toughness property as given below. Aggregate impact value (%) Toughness Properties <10 Exceptionally tough / Strong 10 20 Very tough / Strong []

Moreapplication for aggregate impact value test. Aggregate Impact Value test we civil engineers. Jan 23, 2018· Aggregate impact value = B/A x iii) Two such tests should be carried out and the mean of the results should be reported. A sample proforma for the record of the test

MoreJul 14, 2018· AIV test is conducted to determine the Aggregate Impact Value of Coarse aggregate. 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

MoreJan 23, 2018· AIM: To determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) 1963. APPARATUS: i) Impact testing machine conforming to IS: 2386 (Part IV)

MoreThe 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 = (B/A) X 100 where A = weight in g of saturated surface dry sample, B

Moreapplication for aggregate impact value test. Aggregate Impact Value test we civil engineers. Jan 23, 2018· Aggregate impact value = B/A x iii) Two such tests should be carried out and the mean of the results should be reported. A sample proforma for the record of the test

MoreAggregate is a granular material obtained by processing natural materials.BS882 splits aggregate into coarse and fine elements, coarse being described as gravel or crushed rock and fine being described as sand.Aggregate consists of particles of a rock, of a controlled particle size distribution, used in the construction of a building or civil engineering structure.

MoreLaboratory test equipment for the Aggregate Impact Value (AIV) and the Aggregate Crushing Value (ACV) and Ten Percent Fines Value (TFV) are also available. The Pendulum Skid Resistance Tester provides highway engineers with a method of checking the resistance of wet and dry surfaces to slipping and skidding, both in the lab and in-situ.

MoreFeb 08, 2012· There is no definite reason why the specified rate of application of the blows of the impact rammershould be maintainedApplications of Aggregate Impact Value The aggregate impact test is considered to be an important test to assess the suitability of aggreg~tes as.regards the toughness for use in pavement construction.

MoreThe percentage mass of fines (passing a 2.80mm BS test sieve) formed in the test is known as the aggregate impact value AIV. higher values are given by weaker materials. For the majority of aggregates the impact value and the crushing value are similar, but brittle materials such as flints yield impact values which are about 5 units higher than

MoreAs per the definition given in the ‘IS: 2386 (Part III) 1963’, (Indian Standard- Methods of Test for Aggregates for Concrete Specific Gravity, Density, Voids, Absorption and Bulking), the specific gravity of coarse aggregates is the weight of the aggregates dried to constant weight in an oven at 100°C divided by its absolute volume including the natural voids within the aggregate

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MoreAggregate impact value gives the relative strength of aggregates against impact loading. Aaggregate, Impact test +-Any other key information Click to collapse

MoreThe apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine conforming to IS: 2386 (Part IV)- 1963,IS Sieves of sizes 12.5mm, 10mm and 2.36mm, A cylindrical metal measure of 75mm dia. and 50mm depth, A tamping rod of 10mm circular cross section and 230mm length, rounded at one end and Oven.

MoreJun 22, 2014· The aggregate impact value is expressed as the percentage of the fines formed w.r.t the total weight of the sample Aggregate Impact Value (AIV) = (100*M2)/M1 Where: M1 =Mass of the test specimen M2 = Mass of the test specimen passing 2.36 mm test sieve

MoreAggregate crushing value test provides strength of aggregates for resistance against crushing under loads and is used for roads and pavements construction. Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load.

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