aggregate impact value test

Lab Test on Aggregates at Site

This is known as aggregate impact value test IS 283-1970. Result: Aggregate impact value shall not exceed 45 % by weight for aggregate used for concrete other than wearing surface and 30 % by weight for concrete for wearing surfaces such as runway, roads, and pavements.

Aggregate Impact Value Testing | AIV TEST | Civil ...

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.

Aggregate Impact Value Test, Procedure, Result & Standards

Also, it can be defined as the resistance of aggregate to failure by impact load is known as the Impact Value of Aggregate.. The Characteristics of any material to resist sudden impact is known as toughness. When we use aggregate in roads and pavement on which vehicular movement is done and there is a possibility of impact load on aggregate.

AGGREGATE IMPACT TEST by Nurul Afiqah on Prezi

design by Dóri Sirály for Prezi AGGREGATE IMPACT TEST In conclusion,the percentage of aggregate’s wear depends on the quality of aggregate. In this test, we can conclude that: The loss of aggregate = 1663 g The percentage of wear = 33.26% Lower abrasion loss values indicate the

Aggregate Impact - an overview | ScienceDirect Topics

3.4.10 Aggregate Impact Value. The impact test (BS 812-112, 1990), as in the case of the compaction test (BS 812-110, 1990), has been taken out of the set of standard tests used for determining the physical properties of aggregates for assessing their suitability for use in construction applications.

Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993 ...

Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993. Theory and Scope. The property of a material to resist impact is known as toughness. Due to movement of vehicles on the road, the aggregates are subjected to impact resulting in their breaking down into smaller pieces. The aggregate should therefore have sufficient toughness to resist ...

Aggregate Impact value Test Apparatus, Procedure and uses ...

Aggregate impact value test set-up Procedure 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.

IS 2386-4 (1963): Methods of test for aggregates for ...

DETERMINATION OF AGGREGATE CRUSHING VALUE 2.1 Object - This method of test covers the procedure for determining aggregate 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-

To Determine Aggregate Impact value of Aggregate ...

Aggregate is a granular material obtained by processing natural materials.BS882 splits aggregate into coarse and fine elements, coarse being described as gravel or crushed rock and fine being described as sand.Aggregate consists of particles of a rock, of a controlled particle size distribution, used in the construction of a building or civil engineering structure.

Aggregate Impact Value Testing Machine, Capacity: 450 Kn ...

The aggregate impact value of coarse aggregate 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.

How to Find Aggregate Crushing Value and Its Test Procedure?

The aggregate crushing value test is a useful guide when dealing with aggregates of unknown performance, particularly when lower strength is suspected. To find out the performance of aggregates for various uses, 7 types of lab test are available. Also Read: Impact Test of Aggregates. Courtesy - …

determination of aggregate impact value conclusion

conclusion aggregate impact value test - … Aggregate Impact Value - Civil Engineering. The 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 …

Aggregate Impact Tester,Impact Testing Machines,Impact ...

This 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 sec.the crushed aggregate removed from the cup ,then sieved and weighed. The % ratio of the weight passing 2.36mm sieve and weight of oven dried sample is Aggregate Impact value.

7.6 Aggregate Impact Value 7.6.1 Scope.

which is dependent on the aggregate’s impact resistance. This degree is assessed by a sieving test on the impacted specimen and is taken as the aggregate impact value. 7.6.3 Sampling. The sample used for this test shall be taken in accordance with Chapter 2. 7.6.4 Equipment 7.6.4.1 Impact testing machine. The machine shall be of the general ...

Determination of Aggregate Impact Value - CivilArc

Jan 12, 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 ...

Determination of Aggregate Impact Value - Impact Test on ...

The aggregates should therefore have sufficient toughness to resist their disintegration due to impact. This characteristic is measured by impact value test. The aggregate impact value is a measure of resistance to sudden impact or shock, which may differ from its resistance to gradually applied compressive load. Procedure of Aggregate Impact Test

7.7 Aggregate Crushing Value and 10% Fines Value 7.7.1 ...

Chapter 7 Standard Test Procedures Tests For Aggregates And Bricks MAY 2001 Page 7.32 7.7 Aggregate Crushing Value and 10% Fines Value 7.7.1 Aggregate Crushing Value (ACV) 7.7.1.1 Introduction. One of the requirements, for the suitability of aggregates for

Aggregate Impact value test procedure - Civil4M

Mar 27, 2020· The aggregate impact test is considered to be an important test to access 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.

A080KIT Aggregate impact value apparatus - Matest

AGGREGATE IMPACT VALUE APPARATUS. BS 812. Consisting of: - A080-04 TEST FRAME ASSEMBLY - A080-02 CYLINDRICAL MOULD, dia. 102x50 mm, …

Aggregate Impact Test | Construction Aggregate | Asphalt ...

Application 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.

Impact Test on Aggregates - GharPedia

Aggregate impact value (The value of aggregate impact test) = (W1/W2)*100. The 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%.

aggregate impact value | Mobile Crushers all over the World

Aggregate Impact Value. AGGREGATE IMPACT VALUE This test is done to determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) – 1963. AGGREGATE IMPACT VALUE TEST | CIVIL QUALITY CONTROL LAB. Toughness is the property of a material to resist impact. Due to traffic loads, the road stones are subjected to the pounding ...

AGGREGATE IMPACT VALUE (IS:2386-Part IV-1963) - CivilBlog.Org

May 07, 2013· Objective For determination of the aggregate impact value of coarse aggregate, which passes 12.5 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 (12.5mm,10mm) Cylindrical metal measure Tamping Rod …

Aggregate Impact Value (AIV) Test Machine - Mechanical and ...

The Aggregate Impact Value Testing Apparatus, meets with BS 812, it is robustly designed to 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 ...

Civil Engineering Notes: Aggregate Impact Value Test

Sep 04, 2013· In this test we will find out the percentage of the weight of the aggregate sample which gets crushed with respect to the total weight of the sample. This percentage is known as the aggregate impact value and more the aggregate impact value less is …

What is the need of impact test? - Quora

Mar 22, 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 ...

Impact Value Test of Aggregate - Procedures, Theory ...

The procedure of the impact value test includes the following series of steps: 1. The aggregate samples of size 10mm to 12.5mm (passing through 12.5mm sieve and retained on 10mm sieve) are first taken and oven-dried at a temperature ranging from 100 degree Celsius to 110 degree Celsius for about four hours.

Impact Value of Aggregate

The ratio of the weight of fines formed to the total sample weight in each test shall he expressed as a percentage, the result being recorded to the first decimal place: Aggregate Impact Value = (B/A) X 100 where A = weight in g of saturated surface - dry sample, B …

Aggregate impact value test- step by Step Procedure with ...

Aggregate impact value test Machine Take a sample of aggregate and sieve with the help of a 12.5-millimeter sieve and retain it into a 10-millimeter sieve. Sieving should be done in a circular motion.