Determination of Aggregate Impact Value Impact Test on Aggregates is done to carry out to: Determine the impact value of the road aggregates, Assess ... Determination of Aggregate Impact Value – Impact Test on Aggregates. ... Bring the impact machine to rest without wedging or packing up on the level plate, block or floor, so that it is ...
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Get PriceImpact Value Testing Machine provides a relative measure of the resistance of an aggregate to sudden shock or impact. The oven dried and accurately weighed aggregates are subjected to a total of 15 blows of specified weight and fall and percentage of fines formed in terms of the total weight of the sample is expressed as the aggregate impact value.
Get PriceMay 07, 2013· Objective For determination of the aggregate impact value of coarse aggregate, which passes mm. IS sieve and retained on 10 mm. IS sieve. Reference Standards IS: 2386(Part IV)1963 Methods of test for aggregate for concrete Part IV Mechanical Properties. Equipment Apparatus Aggregate Impact Test Machine Sieves (,10mm) Cylindrical metal measure Tamping Rod …
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Get PriceUsed 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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Get Price3. Sand Making Machine. The sand making machine is the core equipment of the whole gravel aggregate production line. It is to make the crushed stone material into sand making process, and adopts the principle of “stone stone” and “stone hitting iron” to achieve the fine crushing effect.
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Get PriceThe 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%.
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Get PriceObjective: The goal in the Aggregate Industry is to process rock, sand and gravel into a saleable product as quickly as possible, (High TPH) as cheaply, (Low cost per ton) as possibly as we can. Anything that interferes with this should be looked upon as superfluous and removed from the process.
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Get PriceAn aggregate specimen is compacted into a steel cylinder fitted with a nofriction plunger. The specimen is then loaded via the plunger. The load crushes the aggregate to an extent depending on the crushing resistance of the material. It is measured by a sieving test on the crushed specimen and it is a measure of the aggregate crushing value (ACV).
Get PriceThis Apparatus is used to determine aggregate impact value of coarse aggregate. The hammer of the tester fall freely from 380 mm height on coarse aggregate for 15 times/15 crushed aggregate removed from the cup ,then sieved and weighed. The % ratio of the weight passing sieve and weight of oven dried sample is Aggregate Impact value.
Get PriceThe 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%.
Get PriceLos Angeles machine made up of circular drum of internal diameter 700 mm and length 520 mm. it is mounted on horizontal axis that allows it to rotate. An abrasive charge made up of cast iron spherical balls of 48 mm diameters and weight ranges in between 340445 g. it is generally placed in the cylinder along with the aggregates.
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