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  • Aggregate Impact Value Test, Procedure, Result & Standards

    Aggregate impact value is the ratio of the weight of the fraction passing through 2.36 mm (weight W2) by the total weight of the sample (weight W1 + W2). Aggregate Impact Value = (W2/ (W1+W2)) * 100 = 80 gm / 300 gm = 26.67 (Impact Value) Where, W1= Weight of

  • Determination of Aggregate Impact Value Impact Test on

    Feb 22, 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.

  • Aggregate Impact value Test Apparatus, Procedure and uses

    Jul 01, 2019· 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 on the aggregate sample and does not touch the wall of the cylinder in order to ensure that the entire load is

  • What is Impact Value of an Aggregate.? Firstalert

    May 27, 2020· Therefore aggregate Impact value = ( B/A)*100. Where B= It is termed as the weight of fraction passing 2.36 mm IS sieve . A= It is termed as the weight of the Oven-dried sample. Conclusion. It is noted that the aggregate impact value should not be greater than 45% by its weight.

  • Aggregate Impact Value Test Procedure, IS 2386 Part 4-1963

    Mar 30, 2020· 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 machine is used, which is called impact

  • Aggregate impact value test- step by Step Procedure with

    Recommended aggregate impact value Precaution for aggregate impact value test. The sample of aggregate should be sieved in circular motion or movement. The sample aggregate should not be overheated on the oven. The weight of samples and dust should be tamped with the help of a standard size tamping rod.

  • 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 section and 230mm length, rounded at one end and Oven.

  • 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 aggregate sudden shock or impact is not proportional to the resistance to a slowly applied compressive load.

  • Aggregate Impact Value Calculator, Test on course and Fine

    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.

  • Impact Value of 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 compressive load. . apparatus required. Fig. 1: Balance. Balance should be accurate upto 1 g.

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

    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. Equipments. The apparatus as per IS 2386 (Part-IV) 1993 consist of,

  • 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 aggregate sudden shock or impact is not proportional to the resistance to a slowly applied compressive load.

  • Aggregate Impact Value test we civil engineers

    Jan 23, 2018· AIM: To determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) 1963. APPARATUS: i) Impact testing machine conforming to IS: 2386 (Part IV) 1963 ii) IS Sieves of sizes 12.5mm, 10mm and 2.36mm iii) A cylindrical metal measure of 75mm dia. and 50mm depth iv) A tamping

  • DETERMINATION OF AGGREGATE IMPACT VALUE.

    Oct 07, 2019· Aggregate Impact Value 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. 3. Engr.Sayed Shajedul Hasan. Apparatus for Aggregate Impact Test Aggregate Impact Value Apparatus Balance (i) A testing

  • AGGREGATE IMPACT VALUE TEST-10+ IMPORTANT NOTES TO

    Jul 16, 2014· 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 (%) Toughness Properties <10 Exceptionally tough / Strong 10 20 Very tough / Strong []

  • Aggregate Impact Value Testing AIV TEST Civil

    Jul 14, 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 (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

  • Question is ⇒ If aggregate impact value is 20 to 30

    Question is ⇒ If aggregate impact value is 20 to 30 percent, then it is classified as, Options are ⇒ (A) exceptionally strong, (B) strong, (C) satisfactory for road surfacing, (D) unsuitable for road surfacing, (E),Leave your comments or Download question paper.

  • DETERMINATION OF AGGREGATE IMPACT VALUE YouTube

    In this video,we will see the procedure of determining aggregate impact value as per IS 2386 PART4.

  • (PDF) AGGREGATE IMPACT TEST ResearchGate

    Aggregate Impact value of sample = 9.52 % . Recommended values as per IRC: Aggregate Impact value . Classification < 10 % . Exceptionally strong . 10% 20% . strong . 20% 30% . satisfactory for

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

    Scope: This Part of BS 812 describes methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact. Principle A test specimen is compacted, in a

  • What is Impact Value of an Aggregate.? Firstalert

    May 27, 2020· Therefore aggregate Impact value = ( B/A)*100. Where B= It is termed as the weight of fraction passing 2.36 mm IS sieve . A= It is termed as the weight of the Oven-dried sample. Conclusion. It is noted that the aggregate impact value should not be greater than 45% by its weight.

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