aggregate impact value aiv test


AGGREGATE / ROCK TESTING

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 …

Determination of Aggregate Impact Value

Oct 27, 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. AIV gives A relative measure of the resistance of an aggregate to sudden impact, which is differs from withstand to slowly applied ...

Aggregate Impact Value (AIV)

A small portion of 14–10 mm sized coarse aggregate particles is confined in a steel pot and subjected to 15 blows by a small hammer in a standardised test rig, after which the ' aggregate impact value' (AIV) is determined from the fine material generated, expressed as a percentage of the original weight of the test portion (BS 812: Part ...

Determine of Aggregate Impact Value Test: BS 812

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 mm test sieve

(PDF) DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) …

BS :1990 Testing aggregates. Method for determination of aggregate impact value (AIV) (AMD 8772) (Superseded but remains current) Publication Year 1990 Document Status Caution. Newer versions. Abstract Methods which give a relative measure of the resistance of an aggregate to sudden shock or impact. ...

AGGREGATE IMPACT VALUE TEST

With aggregate of aggregate impact value higher than 30 the result may be anomalous. Also, aggregate sizes 'larger than 14 mm are not appropriate to the aggregate impact test. The standard aggregate impact test shall be made on aggregate passing a 14.0 mm BS test sieve and retained on a10.0 mm BS test sieve.

Impact Value Test of Aggregate

From the experiment the value of AIV is 19.10% and this is acceptable because the value is less than the value of predetermined AIV is 30%. QUESTION Give the important of aggregate value impact value towards pavement. I. It is used to determine the crushing strength of aggregates.

(DOC) AGGREGATE IMPACT VALUE TEST | hong g.woei

The AIV apparatus consists of a hammer with a trip action release, mould and automatic blow counter. All this is contained within a rigid frame to ensure free-fall of the hammer when released. To determine the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the

Methods for determination of aggregate impact value (AIV ...

Jan 29, 2020· Aggregate Impact Value (AIV);14 Aggregate Crushing Value (ACV);15 b. Specific Gravity of aggregate;16 c. Water Absorption of aggregate;16 d. 17Unit Weight (Lose/Rodded). ii. Chemical test Sodium Sulfate (Na 2 SO 4) Soundness Test.18 Results i. Los angeles (LA) abrasion value The LA test was performed using standard operating procedure of

Aggregate Impact Value (AIV) Apparatus

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 ...

aiv test aggregate advantages

Determination of Aggregate Impact Value – Impact Test on Aggregates is done to carry out to: Determine the impact value of the road aggregates, Assess their suitability in road construction on the basis of impact value. Contents:Aggregate Impact Value on Coarse AggregatesApparatus for Aggregate Impact TestTheory of Aggregate Impact TestProcedure of Aggregate Impact …

Aggregate Testing Equipment

(Chin) Aggregate Impact Value Test (AIV) is used to determine the impact value of coarse aggregate. The impact value was determined by finding the percentage loss of weight particles passing sieve with 15 blows of standard hammer drop. Read More. 13-June.

Impact Value of Aggregate

Grading of fine aggregate. including material finer than 75µm or 63 µm; Grading of coarse aggregate; Organic impurities (fine aggregate) Aggregate crushing value (ACV) Aggregate impact value (AIV) Flakiness index; Elongation index; Specific gravity, water absorption; 10% fines value; Moisture content; Soundness; Point load test; Surface ...

AGGREGATE IMPACT VALUE (IS:2386

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.

Aggregate Impact Value Apparatus Test

(Chin) Aggregate Impact Value Test (AIV) is used to determine the impact value of coarse aggregate. The impact value was determined by finding the percentage loss of weight particles passing sieve with 15 blows of standard hammer drop. Read More. 13-June.

IMPACT VALUE

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

Aggregate Impact Value

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 0C for a period of 4 hours and cooled. Sieve the material through 12.5mm and 10.0 mm IS sieves.

Aggregate Impact Value (AIV) Test Machine

Jan 23, 2018· 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 toughness. Aggregates used in the pavement should be able to resist the effect caused by the jumping of the steel ...

Aggregate Impact Value Test as per IS 2386 (Part

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Coarse Aggregate Testing

The Aggregate Impact Test Apparatus Value (AIV) Apparatus is used to determine the aggregate impact value 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. Our Aggregate Impact Value Apparatus is manufactured using selected raw material and is …

Aggregate Impact Value (AIV)

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 ...

AIV TEST | Building Materials | Building Engineering

Oct 27, 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. AIV gives A relative measure of the resistance of an aggregate to sudden impact, which is differs from withstand to slowly applied ...

Aggregate Crushing Value (ACV)

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 indicate similar aggregate strength properties. Aggregate Impact Value; Test Specifications:

Aggregate Impact Value Test, Procedure, Result & Standards

Grading of fine aggregate. including material finer than 75µm or 63 µm; Grading of coarse aggregate; Organic impurities (fine aggregate) Aggregate crushing value (ACV) Aggregate impact value (AIV) Flakiness index; Elongation index; Specific gravity, water absorption; 10% fines value; Moisture content; Soundness; Point load test; Surface ...

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