"aggregate impact value aiv test"

Aggregate Impact Value Testing | AIV TEST | Civil Engineerin…

(PDF) DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS ...

A Study on The Relationship between Aggregate Impact ...

Aggregate Impact Value (AIV) is another index parameter that can be used to measure the hardness of the rocks or crushed stones. Both these LAAV and AIV tests indicate the fracturing resistance of crushed rocks under impact loads. The objective of this research is to find out the relationship between AIV and LAAV of the best rock material,

Aggregate Impact Value (AIV)

1.2 Objectives To determine the aggregate impact value (AIV) of natural aggregate used in the laboratory 1.3 Learning Outcomes At the end of the week, students should be able to: 1. Conduct the aggregate impact value test procedure and calculate the percentage of AIV for the used aggregate 2.

AIV Lab Report

The Aggregate Impact Value (AIV) (M2/M1)x100 19.17 % 23.17 %. AIV = M2/M1 * . Average aggregate impact value of the sample is 21.17 %. DISCUSSION 1. Give the impact value of a good aggregate to ensure the strength of the. aggregate used in road construction. -Aggregate impact value is measure of toughness of aggregate.

Impact Value of Aggregate

2019-12-3 · 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 - …

aggregate crushing value test report

IS Code for Determination of Aggregate impact value ( AIV ) test is 2386 part 4. Precautions Before Proceeding. The impact value test machine and its components must be clean. Check the falling height of metal hammer in impact value testing machine. It Shall be 380 +/- …

Aggregate Impact Test » Engineering Basic

2018-3-21 · Aggregate Impact Value {AIV} • AIV is the percentage of fines produced from the aggregate sample subjecting it to a standard amount of impact. • The standard amount of impact is produced by a known weight, i.e. a steel cylinder, falling a set height, a prescribed number of times, onto an amount of aggregate of standard size and weight ...

Aggregate Impact Value Test | Impact Test Of Aggregate ...

2021-9-22 · This impact load can break aggregate into smaller pieces and which results in the failure of roads and pavements. Impact Test of Aggregate. It is the ability of aggregates that resist sudden impact or shock load on it. Also, it can be defined as the …

The advantages of aggregates impact test are that the test ...

(Alan) Impact value of an aggregate is the percentage loss of weight particles passing2.36mm sieve by the application of load by means of 15 blows of standard hammer and drop,under specified test condition. 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 their resistance to a slowly applied ...

Aggregate Impact Test(AIV)

The purpose to get the Aggregate Impact value is to determine the classification of aggregate to determine that aggregate is Suitable for what work and either the aggregate can carry the big load or not. From the test have been do, the value of AIV is 29.2 for test 1, 29.8 fortest 2 and 29.8 for test 3. The average of AIV is 29.6. From the test ...

Aggregate Impact value Test Apparatus, Procedure and …

2019-7-1 · 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 …

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

2019-8-29 · 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 ...

(PDF) DETERMINATION OF AGGREGATE IMPACT VALUE …

Observations and Calculations Calculate the aggregate impact value (AIV) expressed as a percentage to the first decimal place for each test specimen from the following equation: 𝑀2 (𝐴𝐼𝑉) = × 100 𝑀1 Where M 1 is the mass of the test specimen (in g); M 2 is the mass of the material passing the 2.36 mm test sieve (in g).

Aggregate Impact Value Test Procedure as per IS 2386 …

2020-3-30 · The aggregate impact value test is an important test of aggregates. It is done to obtain the resistance and impact of aggregates (stones). In this test a …

Aggregate Impact Value Test

2021-9-13 · The aggregate impact value test will be conducted as per the Indian Standard Code IS code 2386 Part 4. Let''s start with the experiment to understand the concept better. Precautions to be taken. The sample aggregate should be free from moisture.

Determination of aggregate impact value (AIV) of given ...

2020-2-13 · Determination of aggregate impact value (AIV) of given aggregate sample (BS-812) Significance: Aggregates used in the construction of roads should be strong enough to resist crushing under traffic wheel loads. It gives relative measure of the …

AGGREGATE IMPACT VALUE TEST-10+ IMPORTANT …

2014-7-16 · Aggregate impact value test gives an indication of aggregate''s toughness property (i.e. 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 (IS:2386-Part IV-1963)

2013-5-7 · 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 …

Aggregate Impact Value Test Archives | Civil Engineering …

2018-1-9 · 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.

Exp 4 Aggregate Impact Value

Aggregate Impact Values, (AIV''s), below 10 are regarded as strong, and AIV''s above 35 would normally be regarded as too weak for use in road surfaces. Aggregate Impact Values and Aggregate Crushing Values are often numerically very similar, and …

Aggregate Impact Value Testing | AIV TEST

2018-1-9 · 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. The Indian Standard CODE IS 2386 (Part ...

DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.

2017-12-15 · Aggregate Impact Value (AIV) is the percentage of fines produced from the aggregate sample after subjecting it to a standard amount of impact. The standard amount of impact is produced by a known weight, i.e. a steel cylinder, falling a set …

IMPACT STRENGTH OF BRITTLE MATERIALS (ROCKS)

2021-2-24 · Test AIV (Aggregate Impact Value, SS 1974) The AIV (Aggregate Impact Value) is a standard test procedure by which the impact strength of aggregates is tested. Just like in Protodyakonov''s test, the material used consists of irregularly shaped particles of the -14 + 10 mm size fraction. The weight of the specimen is A.

Methods for determination of aggregate impact value …

2019-10-18 · aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact. Two procedures are described, one in which the aggregate is tested in a dry condition, and the other in a soaked condition. The methods are applicable to aggregates passing at 14.0 mm test sieve and

Aggregate Impact Value (AIV)

One of the tests that are done on aggregate is impact value test. The amount of patients obtained by this way is related to the value of fragmentation and can, in fact, be used as an alternative test. Materials used to test the impact value must pass the sieve No. 1/2" (12.5 mm) and stuck on the sieve No. 3/8" (9.5 mm). The impact test for ...

Aggregate Impact Value (AIV) Test Machine

Aggregate Impact Value (AIV) Test Machine. Standards. BS 812:112 . 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 …

AGGREGATE IMPACT TEST

2021-2-10 · The aggregate impact test machine consists of a metal foundation and a cylindrical steel cup with an internal diameter of 102 mm and a depth of 50 mm in which the aggregate specimen is mounted. A cylindrical metal hammer with a weight of 13.5 to 14.0 kg, having a free fall from a height of 380 mm, arranged to drop by vertical guides.

Determination of Aggregate Impact Value

 · 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 o f Aggregate Impact Test The test sample consists of aggregates sized 10.0 mm 12.5 mm. Aggregates may be dried by heating at 100-110° C for a period of 4 hours and cooled.

pdf Download BS 812-112: Testing Aggregates Part 112 ...

Aggregates, Cement and concrete technology, Impact testing, Mechanical testing, Test equipment, Specimen preparation, Test specimens, Testing conditions, Reproducibility Methods which give a relative measure of the resistance of an aggregate to sudden shock or impact. ; Specifies methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance ...

Everything you should know about the Aggregate Impact ...

2014-6-22 · The aggregate impact value is expressed as the percentage of the fines formed w.r.t the total weight of the sample. Aggregate Impact Value (AIV) = (100*M2)/M1. Where: M1 =Mass of the test specimen. M2 = Mass of the test specimen passing 2.36 …

Aggregate Impact Value (AIV) Test Machine

Standards. BS 812:112. 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 …