To evaluate the toughness of a stone i.e. the resistance of the aggregates to fracture under repeated impacts is called Impact Test.This test is done to determine the aggregate impact value of coarse aggregate as per IS 2386 (Part-IV) 1993. Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993

Get PriceThe 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.

Get PriceDetermination of Aggregate Impact Value Impact Test on Aggregates is done to carry out to: Determine the impact value of the road aggregates, Assess their suitability in road construction on the basis of impact value.

Get Price2016-07-15· Aggregate Impact Value Test (IS:2386 (Part IV)) The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some aggregate differs from its resistance to a slow compressive load.

Get Price2017-08-27· Aggregate Impact Value Test, Impact value of an aggregate is the percentage loss of particles passing 2.36mm sieve by the application or load by means of 15 blows of standard hammer and drop

Get PriceThe 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.

Get PricePart Number & Name Price QTY; HS-4158 Aggregate Impact Value: $1,050.00: Add to Cart. Aggregate Impact Value. Used to determine the impact value of aggregates and select them for a given application. The device has a trip-action hammer release, blow counter device and a built-in operator safety device. Heavy-duty construction with hardened steel surfaces for minimum wear. The

Get PriceTo determine the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact. The counter fitted to the machine automatically records the number of blows delivered to the sample.

Get PriceExperiment No. 4: Determination of the aggregate impact value of different coarse aggregate samples. (BS 812) Scope & significance: Aggregate Impact Value The aggregate impact value gives a relative measure of the toughness or the resistance of aggregate sudden shock or impact is not proportional to the resistance to a slowly applied compressive load.

Get Price2015-09-12· The crushed aggregate is allowed to pass through 2.36 mm IS sieve. And the impact value is measured as percentage of aggregates passing sieve (W2) to the total weight of the sample (W1). Aggregate impact value = (W1/W2)*100. Aggregates to be used for wearing course, the impact value shouldn’t exceed 30 percent.

Get PricePart 111 Methods for determination of ten per cent fines values (TFV) Part 112 Methods for determination of aggregate impact value (AIV) Part 113 Method for determination of aggregate abrasion value (AVV) Part 114 Method for determination of the polished-stone value Part 117 Method for determination of water-soluble chloride salts

Get Priceaggregate 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

Get PriceMethod for fine aggregate: Approximately 300 g of the sample in the air dry condition, passing the 4.75 mm IS sieve, shall be weighed and placed in the screw topped glass jar, together with 300 ml of the diluted sodium oxalate solution.The rubber washer and cap shall be fixed, care being taken to ensure water tightness. The jar shall then be rotated about its long axis, with this axis

Get PriceThe strength of coarse aggregates is assessed by aggregates crushing test. The aggregate crushing value provides a relative measure of resistance to crushing under a gradually applied compressive load. To achieve a high quality of pavement, aggregate possessing low aggregate crushing value

Get PriceAggregate Impact Value Test (IS:2386 (Part IV)) The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some aggregate differs from its resistance to a slow compressive load.

Get Price2017-01-12· The aggregate impact value is a calculation of the resistance to abrupt impact, bang or shock, which may vary from its resistance to steadily, applied compressive weight. Procedure: The test specimen includes the aggregates of size ranging from 10.0 mm 12.5 mm. Aggregates can be dehydrated by warming them at temperatue of 100-110° C for a timeframe of 4 hours and spread to

Get PriceAdvantages of aggregate impact value test Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Advantages of aggregate impact value test, quarry, aggregate, and different kinds of minerals.

Get Price2018-10-19· BS 812: Part 112: Aggregate impact value (AIV) Our UKAS accredited aggregate testing laboratory can determine the aggregate impact value (AIV) a test that provides a relative measure of the resistance of an aggregate to sudden shock or impact.

Get PriceAggregate Impact Value. This test is done to determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) 1963. . for non wearing surface its max. limit is 45%.

Get PriceAggregate impact and crushing test SlideShare. Feb 8, 2012 PROCEDURE Aggregate Impact Value (SS 1974)1. The apparatus consists of a steel test

Get PriceAggregate Impact Test This test is specified in BS812:Part 3 : 1975. Resistance to impact of a sample of aggregate is measured by subjecting a 28mm deep bed of 14 mm to 10 mm chippings, in a 102mm diameter hardened steel cup, to 15 blows from a 14 kg hammer falling from a height of 380mm.

Get PriceTESTING AGGREGATES. PART 112: METHODS FOR DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) This Part of BS 812 has been prepared under the direction of the Cement, Gypsum, Aggregate and Quarry Products Standards Policy Committee.

Get PriceThis British Standard, a part of the BS 812 series, describes methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact.

Get PriceThis British Standard, a part of the BS 812 series, describes the method for determining the soundness of aggregates by subjecting the aggregate to cycles of immersion in a saturated solution of magnesium sulphate followed by oven-drying. The method is applicable to aggregate passing a 14.0 mm test sieve but is retained on a 10.0 mm test sieve.

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