Determination of Aggregate Impact Value Impact Test on Aggregates is done to carry out to: Determine the impact value of the road aggregates, Assess

Get PriceProcedure 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.

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 Price8/12/2017· In this video,we will see the procedure of determining aggregate impact value as per IS 2386 PART4.

Get Price31/01/2015· Aggregate impact value Calculation And uses 1. Created by Shahryar & CO. 2. This test is done to determine the aggregate impact value of coarse aggregates AIV is basically a % ratio of 2.36mm sieved aggregate to 14mm aggregate sieve. The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine Sieves of sizes 14mm, 10mm and

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 Price14/07/2018· 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.

Get PriceAggregate impact value is measured of toughness of aggregate . Toughness is the property of material which indicate its capacity which impact in sudden. Tougher the aggregate more suitable for wearing surface such as road surface. Lower the impact value stronger the aggregate, again the impact these for good quality concrete,aggregate with

Get Price5/09/2013· Aggregate Impact Value Test as per IS Code 2386 part4, hardness test of aggregate Duration: 11:02. Constructiontest org 26,954 views

Get Price12/09/2015· 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 Pricea) Calculate the aggregate impact value (AIV) expressed as a percentage to the first decimal place for each test specimen from the following expression. (AIV) = 100 x M 2 / M 1 Where, M1 is the mass of the test specimen in grams. M2 is the mass of the material passing the 2.36mm test sieve in grams.

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 PriceTo 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 Price21/03/2018· 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 to resist impact is known as toughness. Due to movement of vehicles on the road, the aggregate are subjected to impact resulting in their breaking

Get Price12/01/2017· 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 Price27/10/2017· The 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.

Get Price15/12/2017· The aggregate impact value indicates a relative measure of the resistance of the aggregate to a sudden shock or impact which in some aggregates differs from its resistance to a slow compressive load. From the calculations done we know that the aggregate can be acceptable as their Aggregate Impact value is less then 20% Aggregate Impact Value 10.

Get Price23/01/2018· Aggregate having AIV % equal or greater than 35 % is considered bad to use in road construction. PURPOSE OF TEST: Aggregate Impact Value test determines the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact. Resistance of the aggregates to impact is termed as

Get PriceAggregate is a different way to say add up. When you add up an aggregate, the items you add together should be similar items. For example, in some soccer tournaments, they use aggregate scoring. Aggregate scoring adds together one team's goals both home and away against the total goals of an opposing team they

Get PriceAggregate demand is everything purchased in an economy. Here are the 6 determinants, 5 components, how to calculate the formula, and U.S. demand.

Get Price15/12/2017· The aggregate impact value indicates a relative measure of the resistance of the aggregate to a sudden shock or impact which in some aggregates differs from its resistance to a slow compressive load. From the calculations done we know that the aggregate can be acceptable as their Aggregate Impact value is less then 20% Aggregate Impact Value 10.

Get PriceThe 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

Get PriceCoarse aggregate crushing value is the percentage by weight of the crushed material obtained when test aggregates are subjected to a specified load under standardized conditions. Aggregate crushing value is a numerical index of the strength of the aggregate and it is used in construction of roads and pavements.

Get PriceThe compressive aggregate strength is an important factor in the selection of aggregate. When determining the strength of normal concrete, most concrete aggregates are several times stronger than the other components in concrete and therefore not a factor in the strength of normal strength concrete. Lightweight aggregate concrete may be more

Get PriceThe 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 slowly applied compressive load. With aggregate of aggregate impact value higher than 30 the result may be anomalous. Also, aggregate sizes ‘larger than 14 mm are not

Get Pricenumber. Report the mean as the aggregate impact value, unless the individual results differ by more than 0.15 times the mean value. In this case repeat the test on two further specimens, calculate the median of the four results to the nearest whole number, and report the median as the aggregate impact value.

Get PriceAggregate 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 complete assembly is

Get PriceAggregate definition, formed by the conjunction or collection of particulars into a whole mass or sum; total; combined: the aggregate amount of indebtedness. See more.

Get PriceThe aggregate supply of an economy is the amount of goods and services produced at a specific price level measured over a specific time. Movements in production costs, which include the costs of labor and raw materials, have an impact on long-term and short-term aggregate supply.

Get PriceCat No: AT-199 NAME: Aggregate Impact Value Test Apparatus Quality Standard: As Per IS 2386 (P-IV) Aggregate Impact Value Test Apparatus is used for determining the aggregate impact value. The Sturdy Construction consists of a base and support columns to form a rigid framework around the quick release trigger mechanism to ensure an effective free fall of the

Get Price