results aggregate impact value

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

· The aggregate 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 the measure of resistance to sudden impact of shock, which may differ from its resistance to gradually applied compressive load.

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Aggregate Impact Value Calculator, Test on course and …

Aggregate Impact Value = W B W A × 100. Where, W A is Weight of oven-dried sample; W B is Weight of fraction passing through 2.36-mm IS Sieve; Reporting of Results. The mean of the two results shall be reported to the nearest whole number as the aggregate impact value of the tested material.

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DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.

· 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.

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DETERMINATION OF AGGREGATE IMPACT VALUE – …

5.Remove the crushed aggregate from the cup and sieve it through the 2.36 mm IS sieves until no further significant amount aggregate passes in one minute. Weigh the fraction passing the sieve to the accuracy of 1 gm. also, weigh the fraction retained in the 2.36 mm sieve. 6.Calculate the aggregate impact value.

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Aggregate Impact Value Test (1).docx - AGGREGATE …

AGGREGATE IMPACT VALUE TEST DESIGNATION : B.S 812: Part 112:1990 (BRITISH STANDARD) SCOPE: This method covers the toughness of road stone materials by Impact test. INTRODUCTION: Toughness is the property of a material to resist impact. A test designed to evaluate the toughness of stones under repeated impacts is called Aggregate Impact Value Test. Due to traffic loads, the road …

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Exp 4 Aggregate Impact Value - Civil Engineers PK

Experiment 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 …

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AIV Lab Report - AGGREGATE IMPACT VALUE …

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.

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Aggregate Impact Value - Civil Engineering Portal ...

· AGGREGATE IMPACT VALUE This test is done to determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) – 1963. The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing …

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Exp 4 Aggregate Impact Value - Civil Engineers PK

Experiment No. 4: Determination of the aggregate impact value of different coarse aggregate samples. (BS 812) Scope & significance: Aggregate Impact Value The …

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Impact Test Of Aggregate | Lab Test Procedure ...

The general test procedure of the aggregate impact value test is briefly described below: Objectives of Impact Test. 1. To assess the suitability of the aggregate to be used in the highway pavement. 2. To determine the aggregate impact value. Apparatus Required. 1. An impact testing machine weighing between 45kgs to 60 kgs with a metal base. 2.

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

· 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.

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To Determine Aggregate Impact value of …

· To Determine Aggregate Impact value of Aggregate – Concrete Practical. 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 …

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Aggregate Impact value test procedure | Civil4M

· The mean of the two results is reported as the aggregate impact value of the specimen to the nearest whole number. Aggregate impact value is to classify the stones in respect of their toughness property as indicated below: Aggregate impact values. < 10% exceptionally strong; 10-20% Strong. 10-30% satisfactorily for road surfacing;

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Impact test - Determination of aggregate Impact value ...

· Hence it should possess good impact resistance or else it results in disintegration and breaking into pieces. The aggregate impact value gives the relative measure of aggregate resistance to sudden shocks or loads. So in this article, we explain the procedures of the aggregate impact test for determining the impact value.

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Methods for determination of aggregate impact value …

· number. 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, …

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Aggregate Impact value Test Apparatus, …

· The ' Aggregate Impact Value' is the mean of two observations, rounded to a nearest whole number. Precautions Place the plunger centrally so that it falls directly …

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Impact Value of Aggregate - iricen.gov.in

· 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 - …

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A Study on The Relationship between Aggregate Impact ...

results of the research carried out by the author on the Los Angeles Abrasion Values (LAAV) of various rocks in Sri Lanka are available now [2]. Accordingly Charnockite (or Charnockitic Gneiss) is the most suitable rock type to be used in highway construction. Aggregate Impact Value (AIV) is another index parameter that can

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Aggregate Impact - an overview | ScienceDirect Topics

The aggregate impact value is the proportion of the sample that passes a 2.36 mm sieve after the hammer impacts. European Standards will not contain the 10 per cent fines test or the aggregate impact value test (although a different impact test, the German Schlagversuch test, has been included).

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Aggregate Impact Value Test - Procedure & Uses - [Civil ...

· What is the aggregate impact value test? A relative measure of the resistance of aggregate due to the sudden shock or impact on it is called aggregate impact value. Based on the impact value, we can decide whether the coarse aggregate is suitable for construction or not.

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DETERMINATION OF AGGREGATE CRUSHING VALUE

· Aggregate impact value (%) Quality of aggregate < 10 Exceptionally strong 10 – 20 Strong 20 – 30 Satisfactory for road surfacing >35 Weak for road surfacing Table 2: Maximum allowable impact values of aggregate in different types of Pavement material/ layers Sl.No Types of pavement material /layer Aggregate impact value (%) 1 Water bound ...

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Everything you should know about the …

· 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 …

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Aggregate Impact Value Test Results. | Download Scientific ...

Download scientific diagram | Aggregate Impact Value Test Results. from publication: Assessment of Physical Properties of Coarse Aggregates in Gujarat State, India | Objectives: The current ...

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Aggregate Impact Test – Construction How

· The aggregate impact determining machine is than set up and aligned exactly vertical along the sample. The hammer is dropped by a height of 380mm from the aggregate surface freely, providing 15 blows on either side of the layer. The sample is then …

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Aggregate Impact Value.docx - REPORT ON AGGREGATE …

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. The material used for our test is ballast under dry condition. EQUIPMENT 1. Aggregate impact testing machine 2.

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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 ...

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Aggregate Impact Value Test | Construction Aggregate ...

· The cup is fixed firmly in position on the base of the M1 - (M2+M3) 1.0 g 1.9 -1.7 -0.8 the aggregate impact value and more the aggregate impact value less is the hammer machine and the whole of the test sample from 2 32.7 31.5 33.4 To determine the aggregates toughness of the road aggregates and the cylindrical measure is transferred to the cup.

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Aggregate Impact Value Test | Impact Test Of …

· 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 …

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