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  • The Constructor Civil Engineering Home

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  • Aggregate Impact Value Test, Procedure, Result & Standards

    Therefore, aggregate used for such propose should have sufficient toughness to resist their disintegration due to the impact. This important property of aggregate is determined by the impact value test. This resistance of aggregate may differ from resistance to gradual load which we measure in the crushing value test. Importance Impact Value Test:

  • aggregate impact value.pdf Construction Aggregate Wear

    Impact value of an aggregate is the percentage loss pf weight of particles passing 2.36mm sieve by the application on load by mean of 15 blows of standard hammer and drop under specified test condition.

  • Aggregate Impact value Test Apparatus, Procedure and

    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.

  • 7.6 Aggregate Impact Value 7.6.1 Scope.

    The aggregate impact value gives a relative measure of the resistance of the aggregate to sudden shock or impact. The particular purpose which an aggregate is meant to serve requires the aggregate to have a particular strength which is usually stated in the specification. This test provides a method for measuring this strength. 7.6.2 Method outline. A test specimen, of chosen fractions, is

  • Aggregate Impact Value Civil Engineering

    AGGREGATE IMPACT VALUE This test is done to determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) 1963. The 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

  • Impact Value Test of Aggregate Procedures, Theory

    The general test procedure of the aggregate impact value test is briefly described below. OBJECTIVE. 1. To assess the suitability of the aggregate to be used in the highway pavement. 2. To determine the aggregate impact value. APPARATUS REQUIRED. 1. An impact testing machine weighing between 45kgs to 60 kgs with a metal base. 2. A cylindrical steel cup having an internal diameter of 102mm

  • IS 2386-4 (1963): Methods of test for aggregates for

    DETERMINATION OF AGGREGATE CRUSHING VALUE 2.1 Object This method of test covers the procedure for determining aggregate 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-

  • Impact Value Test of Aggregate Procedures, Theory

    The general test procedure of the aggregate impact value test is briefly described below. OBJECTIVE. 1. To assess the suitability of the aggregate to be used in the highway pavement. 2. To determine the aggregate impact value. APPARATUS REQUIRED. 1. An impact testing machine weighing between 45kgs to 60 kgs with a metal base. 2. A cylindrical steel cup having an internal diameter of 102mm

  • Pdf Theory Of Aggregate Impact Value Test

    Impact Value Test of Aggregate Procedures, Theory & The procedure of the impact value test includes the following series of steps: 1. The aggregate samples of size 10mm to 12.5mm (passing through 12.5mm sieve and retained on 10mm sieve) are first taken and oven-dried at a temperature ranging from 100 degree Celsius to 110 degree Celsius for about four hours.

  • Aggregate Impact Value Weight Brass Free 30-day

    Impact value of an aggregate is the percentage loss of weight particles passing 2.36mm sieve by the application of load by means of 15 blows of standard hammer and drop, under specified test condition. 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 their resistance to a slowly applied

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

    Aggregate 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 their disintegration due to impact. This

  • Aggregate Impact Value Testing AIV TEST Civil

    Aggregate Impact Value Test. 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.

  • Impact Test on Aggregates GharPedia

    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%. The price of aggregate impact testing machine is approximately Rs 4000 to 6000 in India. Must Read: Abrasion Test on

  • Aggregate Crushing Value Test Pdf

    Aggregate Crushing Value Civilarc. Apr 08, 2017 · the aggregate crushing value provides a subjective measure of the resistance of the aggregate crushing in the pressure of the progressively smeared compressive load. when the aggregate crushing value is 30 or greater the outcome can be irregular and in those kind of circumstances the ten percent fines value has to be assessed in its place.

  • DETERMINATION OF AGGREGATE CRUSHING VALUE

    This characteristic is measured by impact value test. 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. 3. APPARATUS The apparatus of the aggregate impact value test as per IS: 2386 (Part IV) 1963 consists of: 7) A testing machine weighing 45 to 60 kg and having a metal base with a

  • Exp 4 Aggregate Impact Value Civil Engineers PK

    Aggregate 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 cooled.The measuring cup shall be filled about one

  • Standard Test Methods for Determination of the Impact

    5.1 Impact Value, as determined using the standard 4.5 kg (10 lbm) hammer, has direct application to design and construction of pavements and a general application to earthworks compaction control and evaluation of strength characteristics of a wide range of materials, such as soils, soil aggregates, stabilized soil and recreational turf. Impact Value is one of the properties used to evaluate