aggregate crushing value test procedure

  • Aggregate Crushing Value Test Procedure And Result

    10/03/2019· The crushing value test of aggregate provides the resistance of an aggregate sample to crushing under gradually applied compressive load.Generally, the test is conducted on aggregate passing 12.5 mm and retained on a 10 mm sieve.The aggregate sample is filled in a cylindrical mold and a load of 40 tons is applied through a plunger in a compression testing

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  • Aggregate Crushing Value Test -Determine Aggregate

    05/05/2010· Procedure of Aggregate Crushing Value Test. Put the cylinder in position on the base plate and weigh it (W). Put the sample in 3 layers, each layer being subjected to 25 strokes using the tamping rod. Care being taken in the case of weak materials not to break the particles and weigh it (W1). Level the surface of aggregate

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  • Aggregate crushing value test Step by Step Procedure

    This test is repeated once or twice and the average crushing value of the aggregate is determined. The average crushing value in the different tests is the actual crushing value of aggregate. Important points to remember. It is recommended that the crushing value of aggregate should be less than 30%. If it is more than 30 % then 10% finer

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  • Aggregate crushing value test Step by Step Procedure

    Aggregate Crushing Value (ACV) can be determined by using a simple formula: This test is repeated once or twice and the average crushing value of the aggregate is determined. The average crushing value in the different tests is the actual crushing value of aggregate. Important points to remember 1.It is recommended that the crushing value of

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  • Aggregate Crushing Value Significance & Test Procedure

    Calculation of Aggregate Crushing Value. 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.

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  • How to Find Aggregate Crushing Value and Its Test

    The aggregate crushing value test is a useful guide when dealing with aggregates of unknown performance, particularly when lower strength is suspected. To find out the performance of aggregates for various uses, 7 types of lab test are available. Also Read: Impact Test of Aggregates. Courtesy Indiamart. Aggregate Crushing Value and Its Test Procedure: One of the test in which concrete

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  • Aggregate Test Procedure The Quality Guru

    Purpose of this test covers the procedure to determine the aggregates crushing value of coarse aggregates. Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load. Aggregate crushing value is a numerical index of the strength of the aggregate and it is used in construction of roads and

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  • DETERMINATION OF AGGREGATE CRUSHING VALUE

    The apparatus of the aggregate crushing value test as per IS: 2386 (Part IV) 1963 consists of: 1) A 15cm diameter open ended steel cylinder with plunger and base plate, of the general form and dimensions as shown in Fig 1. 2) A straight metal tamping rod of circular cross-section 16mm diameter and 45 to 60 cm long, rounded at one end. 3) A balance of capacity 3k, readable and accurate up

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  • Aggregate Impact Value Test, Procedure, Result & Standards

    Read More: Aggregate Crushing Value Test Procedure and Result. Objectives of Aggregate Impact Value Test: This method of test used to measure the impact value of aggregate use in the construction of Highway pavement and concrete structure. Reference: -Aggregate impact value test IS Code is 2386 (Part 4) 1963 PDF. Aggregate Impact Value Test Apparatus:-Impact testing machine:-The total

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  • Aggregate crushing value test Step by Step Procedure

    Aggregate crushing value test is done the find the actual crushing value of aggregate. We Need to carry out this test, 1.To find out how much resistance does the aggregate has against the surface abrasion under traffic. 2.To find out how much resistance does the aggregate can withstand under the roller during construction. 3.To determine the strength of coarse aggregate and suitability of the aggregate for construction. How to perform Aggregate crushing value test

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  • Aggregate Crushing Value (ACV)-Testing Procedure

    04/01/2014· Procedure of testing Aggregate Crushing Value (ACV): 1. Make a sieve analysis and get sufficient amount of aggregate by using 14.0 mm passing sieve and 10.00 mm retained 2. After sieving fill the cylinder in thre layers by the aggregate and apply 25 blows by the tamping rod with a 3. Dry the

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  • Aggregate Crushing Value Civil Engineering

    Procedure to determine Aggregate Crushing Value i) The aggregates passing through 12.5mm and retained on 10mm IS Sieve are oven-dried at a temperature of 100 to 110 o C for 3 to 4hrs. ii) The cylinder of the apparatus is filled in 3 layers, each layer tamped with 25 strokes of a tamping rod.

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  • DETERMINATION OF AGGREGATE CRUSHING VALUE

    Fig 1 AGGREGATE CRUSHING TEST APPARATUS 4. PROCEDURE The test sample: It consists of aggregates sized 12.5 mm 10.0 mm(minimum 3kg). The aggregates should be dried by heating at 100-110o C for a period of 4 hours and cooled. 1) Sieve the material through 12.5 mm and 10.0 mm IS sieve. The aggregates passing

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  • How to Determine the Aggregate Crushing Strength

    Procedure for crushing strength of aggregate Before testing, the aggregate should be in surface dry condition.You can achieve the dry condition of aggregate by The aggregates passing through 12.5mm and retained on 10mm IS sieves are selected for finding aggregate crushing After sieving

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  • METHOD B1 THE DETERMINATION OF THE AGGREGATE CRUSHING

    The aggregate crushing value (ACV) of an aggregate is the mass of material, expressed as a percentage of the test sample. which is crushed finer than a 2,36 mm sieve when a sample of aggregate passing the 13,2 mm and retained on the 9,50 mm sieve is subjected to crushing under a gradually applied compressive load of 400 kN. 2 APPARATUS 2.1 An open-ended steel cylinder of 150 mm nominal

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  • AGGREGATE CRUSHING VALUE iricen.gov

    1.The ratio of the weight of fines formed to the total sample weight in each test shall be expressed as a percentage, the result being recorded to the first decimal place: Aggregate Crushing Value = (B/A) X 100 where A = weight of oven-dried sample B = weight in 'g' of fraction passing through 2.36 mm IS sieve. 6.Video Aggregate Crushing Value Test

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  • How to determine the crushing value of aggregate?

    22/05/2020· For the crushing value test, the following procedure is followed. Procedure for finding the crushing value of aggregate. Aggregate passing through a12.5mm I.S. sieve and retained on 10mm I.S. sieve is taken. About 6.5 kg material is taken. The aggregate in a surface dry condition is filled into the standard cylindrical measure in three layers approximately of equal depth. Each layer is tamped

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  • aggregate crushing value test procedure nailsbykaty

    Aggregate Crushing Value Test Procedure And Result. Mar 10, 2019· Aggregate Crushing Value Test Procedure and Result. 03/10/2019 02/04/2021 / By Bhushan Mahajan. Aggregate Crushing Value Test is important to test to be performed on aggregate. The strength of aggregate parent rock is determined by preparing cylindrical shape specimens of size 25 mm diameter and 25 mm height. This

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  • However, should this test be required to be performed BS

    STANDARD SIZE. If not, the non-standard test procedure or sample preparation must be carried out in accordance with Appendix A of the Standard. This involves either testing aggregate larger than 14mm in the standard mould or for aggregates retained 2.36mm, the standard or modified smaller mould. 2.2 The aggregate to be tested must be in a surface dry condition. N.B. When the bulk sample is fully

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