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15:5640-1970 METHOD OF TEST FOR DETERMINING AGGREGATES IMPACT VALUE OF SOFT COARSE AGGREGATES Alteration-----(Page 5, aLause 3.1, second sentence) - Substitute the folloving for the existing sentence: 'The aggregate compriaing the test sample shall be dried in an oven at,& temperature of 105 to 1100C for a period
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7.6.6 Aggregate impact value 7.6.6.1 Procedure a) Test specimens in a dry condition (i) Fix the cup firmly in position on the base of the impact machine and place the ... 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 ...
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This document describes a test method for determining the aggregate impact value (AIV) of aggregates, which provides a measure of their resistance to sudden shock or impact. The test involves compacting aggregate samples in a …
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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 of Aggregate Impact Test The test sample …
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Procedure Simulation Posttest References Feedback Impact Test on Aggregate. INTRODUCTION. Aggregates undergo significant wear and tear throughout their life. Aggregates must be hard and tough enough to resist crushing, degradation and disintegration and be able to transmit loads from the pavement surface to the underlying layers and eventually ...
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The aggregate impact value indicates a relative measure of the resistance of an aggregate to a sudden shock or an impact, which differs from its resistance to a slow gradually increasing compressive load. ... Test Procedure. The impact machine shall rest without wedging or packing upon the level plate, block or floor, so that it is rigid and ...
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Aggregate impact value (Impact test on Aggregate) is defined as the ability of aggregates to have resistance against shock and impact, toughness. It Also can be defined as …
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Procedure of Impact Test. The procedure of the impact value test includes the following series of steps: 1. The aggregate samples of size 10mm …
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The aggregate impact value indicates a relative measure of the resistance of aggregate to a sudden shock or an impact, which in some aggregates differs from its resistance to a slow compressive load. The method of test covers the procedure for determining the aggregate impact value of coarse aggregates.
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List of Aggregate Test. Impact Test on Aggregates; Crushing Test on Aggregates; Abrasion Test on Aggregates; Soundness Test on Aggregates; ... 1 thought on "7 Aggregate Test: Method & Procedure" VIRENDRA SAINI. 30/03/2024 at 12:55 am. very Good Article, …
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Aggregate impact value (%) = ( W 2 /W 1 )×100. The classification is made through: The comments can be made on the basis of the results obtained. The hammer should be dropped freely. The drop height should be …
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This document describes procedures for three tests to assess the resistance of aggregates to mechanical degradation: the aggregate impact test, ten percent fines test, and aggregate crushing test. The tests involve placing aggregates in standardized molds and applying controlled impacts or loads to measure the amount of fines produced.
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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 …
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Aggregate Impact Test Procedure as Per IS 2386 Part-4: ... (Aggregate Impact Value). AIV Test Lab Report Example: Description: Unit: Test-1: Test-2: Weight of oven dry sample passing 12.5mm and retained on 10mm IS sieve, W1 (gm) 368: 371: Weight of fraction retained on 2.36mm sieve after the test, W2
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The document describes a procedure to determine the aggregate impact value through laboratory testing. The test involves subjecting aggregate samples to 15 blows from a falling hammer, then measuring the amount of material that passes through a 2mm sieve. Two aggregate samples were tested according to this procedure and found to have impact values of 12.07% and …
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The aggregate size fraction taken for this test can also be as per the relevant national standards. NOTE Minor variations in grading divisions can be allowed in respective national standards. The method is not suitable for testing aggregates with an aggregate crushing value higher than 30. In such cases, the method described in ISO 20290-4 is ...
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Procedure 1. The material for the standard test shall consist of aggregate passing a 12.5 mm IS Sieve and retained on a 10 mm IS Sieve, and shall be thoroughly separated on these sieves before testing. 2. The aggregate shall be tested in a surface-dry condition. If dried by heating, the period of drying shall not exceed four hours, the ...
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A. Izod Test. Specimen. The Izod Impact test consists of notched test piece 75mm long, 10mm x 10mm cross section. The test piece is gripped vertically with the root of the notch in the same plain. PROCEDURE. Fix the proper striker to the bottom of the hammer with the help of clamping device. Clamp the latching tube to the bearing housings at ...
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Procedure of 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. (i) Sieve the material through 12.5 mm and 10.0mm IS sieves. The aggregates passing through 12.5mm sieve and retained on 10.0mm sieve comprises the test material.
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Procedure of Impact Test. 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 degrees Celsius to 110 degrees Celsius for about four hours. 2.
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The test sample retained and passing on 2.36mm test sieve shall then be weighed. Calculate the weight of test sample passing 2.36mm sieve with the weight of whole test sample filled in the cup and report test results. Datasheet for aggregate impact value
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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 …
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The apparatus of the aggregate impact value test consists of: A testing machine weighing 45 to 60 kg and having a metal base with a plane lower surface of not less than 30 cm in diameter. The level and plane concrete floor …
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Aggregate Impact Test - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document contains the table of contents for a lab report on determining the aggregate impact value of road construction materials. It includes sections on introduction, objectives, problem statement, apparatus and materials, procedure, data analysis, discussion, conclusion, …
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To determine Aggregate Impact Value Using Impact Testing Machine. Apparatus: – Impact Testing Machine: – Weight of hammer is 13.5 to 14.0 kg and Height of Fall is 380±5 mm. Sieves: – required are 12.5, 10.0 and 2.36 mm. Weight …
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IMPACT VALUE OF AGGREGATE 1.Objective The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some …
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Aggregate Impact Test Procedure as Per IS 2386 Part-4: ... (Aggregate Impact Value). AIV Test Lab Report Example: Description: Unit: Test-1: Test-2: Weight of oven dry sample passing 12.5mm and retained on 10mm IS sieve, W1 (gm) …
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Procedure. The aggregates used for this test should pass through IS 12.5 mm sieve and should retain on IS 10 mm sieve. ... If the total weight (B+C) is less than the initial weight (A), the result shall be discarded and a fresh test made. …
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Read More: Aggregate Testing | 7 Test On Aggregates | Coarse Aggregate Test. Aggregate Crushing Value Test Result. For accurate test results conduct the test at least 3 times and take an average of 3 values. Aggregate Crushing Value Test Lab Report. Aggregate Crushing Value Limits for Road Pavement
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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. ... 4. procedure. The test sample shall consist of aggregate the whole of which passes a 12.5 mm IS Sieve and is retained on a 10 mm IS Sieve. The ...
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