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The apparatus of the aggregate impact value test consists of A testing machine weighing 45 to 60 kg and having a metal base with a plane lower surface of not less than 30 cm in diameter Level and plane concrete floor of minimum 45 cm thickness are used to support it The base of the machine should also have provisions for fixing its base
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The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine conforming to IS 2386 Part IV 1963IS Sieves of sizes – 125mm 10mm and 236mm 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
Determination of Aggregate Impact Value – Impact Test on Aggregates is done to carry out to Assess their suitability in road construction on the basis of impact value The apparatus as per IS 2386 Part IV – 1963 consists of i A testing machine weighing 45 to 60 kg and having a metal base with a painted lower surface of not less than
Jan 09 2018 · 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
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 depth of 50mm and thickness of 63mm 3 A metal hammer with the cylindrical lower end and weighing 135 to 14kgs
Experiment 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
The Aggregate Impact Test Apparatus Value AIV Apparatus is used to determine the aggregate impact value which provides a relative measure of the resistance of an aggregate to sudden shock or counter fitted to the machine automatically records the number of blows delivered to the sample Our Aggregate Impact Value Apparatus is manufactured using selected raw material and is the
Used to determine the aggregate impact value AIV which provides a relative measure of the resistance of an aggregate to sudden shock or impact The machine is robustly designed made from steel protected against corrosion Fit with a counter to check the number of blows delivered to the sample
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The aggregate impact testers are used for determining the aggregate impact value These instruments consist of a circular base with two vertical guides Their hammer of weight 1375 025 kg is raised to fall freely down the vertical guides and the height of fall is adjusted through 380 5mm
