limits of aggregate impact value report

  • Aggregate Impact Value Test, Procedure, Result & Standards

    Preparation of Aggregate Impact Value Test:-The aggregate which uses for the sample is passed through the 12.5mm IS sieve and retain on the 10mm IS sieve. The aggregate which is retained on the 10mm sieve is dried in an oven for a time period of 4 hours at

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  • Determination of Aggregate Impact Value Impact Test on

    22/2/2010· 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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  • Aggregate impact value test- step by Step Procedure with

    Why do we use aggregate impact value test? Now, the final report of aggregate impact value is calculated as, Final report of aggregate impact value test. Weight of oven dried aggregate sample (A) = 332.8 gm. Weight of fraction (dust) of aggregate passing through 2.36 mm sieve (B) = 23.2 gm. Aggregate impact value, = (B/A) *100% = ( 23.2/332.8) * 100% = 6.97%. And, hence, the finally

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  • Aggregate Impact Value Test Procedure & Uses [Civil

    The average value of the two samples is the Impact Value of Aggregate. Lab Test Report Format. SI: Description: Sample 1 in grams: Sample 2 in grams: 1: Weight of dried sample (W1) 340: 360: 2: Weight of crushed particle passed through 2.36mm sieve (W2) 50: 65: 3: Impact value of Aggregate = (W2/W1) x 100: 15%: 18%: Conclusion . Average of Impact Value of Aggregate = 16.5%. Now the tested

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  • AGGREGATE IMPACT VALUE TEST-10+ IMPORTANT NOTES

    16/7/2014· Aggregate impact value test also gives an indirect indication of the strength characteristics of aggregate. Aggregate impact value of a sample also depends on the shape factors such as flakiness index and elongation index of the aggregates. It has been found that for majority of aggregates, the aggregate crushing value and aggregate impact values are numerically similar within close limits

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  • Aggregate Crushing Value Test Significance & Test

    The impact value test has been conducted on aggregate to determine its The crushing value of aggregate = (W2/W1) x 100. Lab Report. SI: Description: Sample1 : Sample2: Sample3: 1: Total weight of dried aggregates (W1) 2: Weight of aggregates sieved by 2.36mm IS Sieve (W2) 3: Ratio (W2/W1) x 100: Aggregate crushing value limits. The below table shows the crushing value limits for different

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  • impact value as per is code of coarse aggregate limits

    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.Limits of aggregate impact value 35% -weak for road construction. Read more

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  • Aggregate Impact value Test Apparatus, Procedure and

    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. Sieve the material through 12.5mm and 10.0 mm IS sieves.

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

    2.0 THEORY 2 Basically the 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 from a set height, a prescribed number of times, onto of aggregate of a standard size and weight retained in a mould. AIV’s value below 10% is

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  • Aggregate impact value test- step by Step Procedure

    The procedure of determining aggregate impact value is according to IS 2386. More will the impact value more will be the strength of aggregate. The elongated and flaky aggregate has low strength as it has a higher surface area and gets more stress on it. Different impact value of aggregate should be used for different types of pavement given below. Recommended aggregate impact value

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  • Aggregate Impact Value test we civil engineers

    23/1/2018· APPLICATION S OF AGGREGATE IMPACT VALUE. Aggregate having AIV % less 50% is better to use in construction where as those having value more than 50% are bad for construction. It is reliable to calculate the AIV % of the aggregate use as road construction as it will give us the capacity of road to bear the load on it. Aggregate having AIV % equal or greater than 35 % is considered bad to

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  • Impact Test Of Aggregate Lab Test Procedure

    General Test Procedure of Impact Test of Aggregate. 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

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  • AGGREGATE IMPACT VALUE (IS:2386-Part IV-1963)

    7/5/2013· 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

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  • Aggregate Crushing Value Test Significance & Test

    The crushing value of aggregates is measured in the ratio between the crushed aggregates, obtained from the IS sieve 2.36mm and the weight of the dried aggregate sample. At least three samples should be tested from the same batch and average value to get accurate results. The crushing value of aggregate = (W2/W1) x 100. Lab Report

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  • (PDF) AGGREGATE IMPACT TEST ResearchGate

    Aggregate impact value(%)=(W2/W1)x100 . 9.52% . Result: Aggregate Impact value of sample = 9.52 % . Recommended values as per IRC: Aggregate Impact value . Classification < 10 % . Exceptionally

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  • (DOC) Aggregate crushing value Test Lab Report

    The value is higher when more percentage of aggregates crush and break into smaller pieces which indicates the aggregates are of a lower quality. 2. Aggregate crushing value < 45% for aggregates used for concrete for non-wearing surfaces and <25% for wearing surfaces like runways and roadways. Discussion: 1. Sample can expel from the mound

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