Procedure In Carrying Out Aggregate Impact Value Test
Lab Report 1 DETERMINATION OF AGGREGATE IMPACT VALUE …
This lab report summarizes an experiment to determine the aggregate impact value (AIV) of a sample. The AIV test subjects aggregate samples to standard impacts from a dropping weight to assess their resistance to shock or impact. The procedure involves compacting 350g of aggregate between 10-14mm in size into a cup, subjecting it to 15 blows, then sieving to …
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Procedure of Aggregate Impact Value Test
The impact test should be carried out by allowing the hammer to fall onto the aggregate sample in the cylindrical measure. The machine should be operated at a uniform …
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Aggregate Test List
a) IS codes for Impact Test: IS 2386(Part 4):1963; b) Apparatus used for Impact Test: Aggregate impact apparatus; IS sieves 12.5 mm, 10.0 mm, and 2.36 mm; Cylindrical measure and Cylindrical Cup; Weighing machine; Tamping rod; c) Procedure of Impact Test:
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Aggregate Impact Value Test
Aggregate impact value is the measure of the resistance of an aggregate to sudden shock or impact. This test is conducted to determine the toughness of aggregates. This test helps to …
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AGGREGATE IMPACT VALUE TEST-10+ IMPORTANT NOTES TO REMEMBER
Aggregate Impact Value Testing machine. The test equipment and the test procedure are quite simple and it determines the resistance to impact of stone aggregates simulating field condition. ... A modified impact test is also often carried out in the case of soft aggregates to find the wet impact value after soaking the test sample in water.
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PREDICTION OF AGGREGATE IMPACT VALUES AND …
In the Aggregate impact value test, a small portion of coarse aggregates having a size range between 10 to 12.5 mm, is confined in a 75 mm diameter cylindrical metal measure and
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Concrete Slump Test for Workability: Procedure …
Due to this fact, it has been widely used for workability tests since 1922. The slump is carried out as per procedures mentioned in ASTM C143 in the United States, IS: 1199 – 1959 in India and EN 12350-2 in Europe. Generally …
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Everything you should know about the Aggregate Impact Value …
Procedure. The test sample consists of aggregates passing 14 mm and retained on 10 mm sieve. Wash the sample and dry at 100 to 110 °C for four hours and cool to room temperature ... 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
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Polished Stone Value
A copy of this document is essential to understand and carry out the test. ... formed in the test is known as the aggregate impact value AIV. higher values are given by weaker materials. For the majority of aggregates the impact value and the crushing value are similar, but brittle materials such as flints yield impact values which are about 5 ...
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Aggregate Impact Value Test Experiment
Objective. To estimate the aggregate impact value of given sample. IS Standards used:IS: 2386(Part-4)-1963 Need and scope: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.The property of a material to …
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Aggregate Impact Value and Its Significance in Construction
The observations in the Impact Test are recorded, including the total weight of the dry sample (W1 gm), weight of portion passing the 2.36 mm sieve (W2 gm), and the calculated Aggregate Impact Value in percent. Significance of Aggregate Impact Value. The Aggregate Impact Value is used to classify aggregates based on their suitability for ...
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IS 2386-4 (1963): Methods of test for aggregates for …
d) Determination of Aggregate Abrasion Value, e) Determination of the Polished Stone Value, and f) Determination of Crushing Strength. 2. DETERMINATION OF AGGREGATE CRUSHING VALUE 2.1 Object - This method of test covers the procedure for determining aggregate crushing value of coarse aggregate.
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Impact Value of Aggregate procedure, Limits
Discover the Impact Value of Aggregate, ASTM C131 and BS 812: Part 112, Aim, significance, objective, procedure, formula, limits, conclusion, ... This experiment ambitions to evaluate the best and suitability of coarse aggregates by way of figuring out their impact value. The impact cost suggests the mixture's potential to face up to effect ...
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Determination of Aggregate Impact Value – Impact Test on …
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 …
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SPECIFICATIONS FOR TRACK BALLAST
(II) Aggregate Impact Value 11 (Test Method based on relevant IS Code) ... 2.2.2 To carry out Impact Test on ballast, a test sample of ballast pieces ... following the procedure given in Annexure III should not be more than 1%. This test, however, ...
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Testing aggregates
Carry out the test procedure immediately after this operation. ... NOTE 3 When an aggregate impact value (AIV) as determined by the procedure given in BS 812-112 is available, the force required (in kW) for the first ten per cent fines test can be estimated by means of the following equation more conveniently than by the use of the dial gauge ...
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What is the impact value test of aggregate?
Steps by step procedure for Impact value test of aggregate . The test sample consists of aggregate are of size passing through 12.5mm and retained on 10mm I.S. Sieve. Sample of aggregate shall be dried in an oven for a period of 4 hours at a temperature of 100 to 110-degree Celsius and then cooled.
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Soundness test on Aggregate | Sample selection and procedure
The percentage loss of weight indicates the soundness of aggregate. Soundness test on Aggregate as per ASTM C88. The soundness test on aggregate using ASTM C88 assesses how well aggregates resist weathering. It subjects them to alternate cycles of immersion in a sulfate solution and drying.
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Impact Test of Aggregate | Lab Test Procedure | Recommended Values …
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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Tests of aggregates | PPT
AGGREGATE IMPACT VALUE AIM :- To determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) - 1963. APPARATUS :- 1) Impact testing machine conforming to IS: 2386 (Part IV)- 1963 2) IS Sieves of sizes - 12.5mm, 10mm and 2.36mm 3) A cylindrical metal measure of 75mm dia. and 50mm depth 4) A tamping rod of 10mm circular ...
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IS 5640 (1970): Method of test for determining …
test shall be expressed as percentage of the oven dried, the result being recorded to the first decimal place: C Aggregate impact value = A X ]00 where C 11IOII weight of the fines formed, and A = weight of the oven-driedsample. 6. REPORTING OF RESULTS 6.1 The mean of the two results shall be reported as aggregate impact value (wet)ofthe tested ...
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AGGREGATE IMPACT VALUE TEST
The Aggregate impact value indicates a relative measure of resistance of aggregate to impact load which has different effect than the resistance to gradually increasing compressive stress. A test designed to evaluate the toughness of stones or the resistance of the aggregates to fracture under repeated impacts is called impact…
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Testing aggregates. Method for determination of aggregate impact value
The test report shall contain the following additional information: a) sample identification and sample description; b) the condition in which the aggregate was tested, i.e. dry or soaked condition; c) the aggregate impact value (AIV) of the dry aggregate; d) the aggregate impact value of the aggregate in a soaked condition and the number of ...
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Impact Test of Aggregate | Lab Test Procedure
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 …
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AGGREGATE IMPACT VALUE TEST-10
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. …
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Concrete Slump Test, A Guide To The Test Procedure
Concrete slump testing is far and away the most common test performed on fresh concrete for any application. The slump test has been around a long time, but in 1918, concrete pioneer Duff Abrams introduced the method to evaluate the consistency or workability of fresh concrete. He and other researchers found that maintaining the optimum slump value for a concrete mix …
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7 Different Types of Tests on Aggregates (Coarse)
This article will give the complete details on aggregate crushing test. Aggregate Impact Value Test. Aggregate impact value test is a method to measure the resistance of coarse aggregates to sudden impact loading. It is commonly used in civil engineering projects to assess the quality and strength of aggregates for pavement and road construction.
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Aggregate Impact Test to Find Aggregate Impact Value
The method of aggregate test specifies the procedure for determining the aggregate impact value of coarse aggregate. Aggregate impact value is used to classify the stones in respect of their toughness property as indicated below: <10% Exceptionally strong. 10-20% Strong. 20-30% Satisfactory for road surfacing. 35% Weak for road surfacing. The ...
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Methodology For Aggregate Impact Value (AIV) Test
The Aggregate Impact Value (AIV) test, outlined in IS 2386 Part IV, evaluates the impact resistance of aggregates. This is performed with an impact testing apparatus, using a specific procedure and sample …
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HANDBOOK
ness about relevant test procedures is necessary for the officials carrying out these tests in the lab as well as for ... 2.4 Aggregate Impact Value 61 2.5 Aggregate Crushing Value 65 2.6 Silt Content 70 2.7 Bulking of Sand 75 2.8 Flakiness Index and Elongation Index 77
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