Apr 23, 2019· Aggregate impact value is the physical strength of any type of aggregate which is going to be used for any type of construction work like concrete, roadwork, flyover work, bituminous work, etc, Aggregate impact value is an important mechanical property of coarse aggregate

Know MoreJul 16, 2014· Aggregate impact value test gives an indication of aggregate’s toughness property (ie 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

Know 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 – 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

Know MoreImpact value of an aggregate is the percentage loss of weight particles passing 236mm sieve by the application of load by means of 15 blows of standard hammer and drop, under specified test condition

Know MoreApplication of Aggregate Impact Value The aggregate impact test is considered to be an important test to assess the suitability of aggregates as regards the toughness for use in pavement construction It has been found that for majority of aggregates, the aggregate crushing and aggregate impact values are numerically similar within close limits

Know MoreA 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text

Know MoreProcedure of Aggregate Impact value test The test sample: normally aggregates sized 100 mm to 125 mm the aggregates should be dried by heating at 100-110 0C for a period of 4 hours and cooled

Know MoreExperiment No 4: Determination of the aggregate impact value of different coarse aggregate sampl (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

Know MoreJul 17, 2017· The aim of aggregate impact test is to determine the relative measure of the resistance of aggregate to sudden shock or impact in which in some aggregate differs from its resistance to a slowly applies compressive load The property of a material .

Know More76 Aggregate Impact Value 761 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

Know MoreThis 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 secthe crushed aggregate removed from the cup ,then sieved and weighed The % ratio of the weight passing 236mm sieve and weight of oven dried sample is Aggregate Impact value

Know MoreAggregate 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

Know MoreThe impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index that reflects the yearly average number of citations that recent articles published in a given journal received It is frequently used as a proxy for the relative importance of a journal within its field; journals with higher impact factors are often deemed to be more important than those with .

Know MoreSep 12, 2015· Fig-3 Impact Test Setup The aggregate impact test is carried out to evaluate the resistance to impact of aggregat Aggregates passing 125 mm sieve and retained on 10 mm sieve is filled in a cylindrical steel cup of internal dia 102 mm and depth 5 cm which is attached to a metal base of impact testing machine

Know MoreThe aggregate impact value is a measure of resistance to sudden impact or shock, which may differ from its resistance to gradually applied compressive load

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