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determination of aggregate impact value
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Aggregate Impact Value Test
What is the aggregate impact value test? A relative measure of the resistance of aggregate due to the sudden shock or impact on it is called aggregate impact value. Based on the impact value, we can decide …
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Aggregate Impact Test Procedure for Determining …
The Aggregate impact test is used to determine the aggregate impact value (AIV), which provides a relative measure of the resistance of a coarse aggregate to sudden shock or impact.
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7.6 Aggregate Impact Value 7.6.1 Scope.
which is dependent on the aggregate's impact resistance. This degree is assessed by a sieving test on the impacted specimen and is taken as the aggregate impact value. 7.6.3 Sampling. The sample used for this test shall be taken in accordance with Chapter 2. 7.6.4 Equipment 7.6.4.1 Impact testing machine.
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D5874 Standard Test Method for Determination of the Impact Value …
Scope. 1.1 This test method covers the determination of the Impact Value (IV) of a soil either in the field or a test mold. 1.2 The standard test method, using a 4.5 kg (10 lbm) hammer, is suitable for, but not limited to, evaluating the strength of an unsaturated compacted fill, in particular pavement materials, soils, and soil-aggregates ...
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Determination OF Aggregate Impact Value
DETERMINATION OF AGGREGATE IMPACT VALUE OBJECTIVE: To determine the impact value of road aggregate. To assess the suitability in road construction on basis of impact value. APPARATUS REQUIRED: Fig. 1: Balance Balance should be accurate upto 1 g. Fig. 2: Sieves Seives required are 12, 10 and 2 mm.
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Determination of Aggregate Impact Value
The aggregate impact value is a calculation of the resistance to abrupt impact, bang or shock, which may vary from its resistance to steadily, applied compressive weight. Procedure: The test specimen includes the aggregates of size ranging from 10.0 mm 12.5 mm. Aggregates can be dehydrated by warming them at temperatue of 100 …
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Aggregate Impact value Test Apparatus, Procedure and uses
The 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/ …
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Impact Test of Aggregate | Lab Test Procedure
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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Determination of Aggregate Impact Value
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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DETERMINATION OF AGGREGATE CRUSHING VALUE
DETERMINATION OF AGGREGATE IMPACT VALUE 1. AIM 3) To determine the impact value of the road aggregates 4) To assess suitability of aggregates for use in different types of road pavement 2. PRINCIPLE The property of a material to resist impact is known as toughness. Due to movement
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(PDF) Method for determination of Aggregate Impact Value …
Experiment No. 4 Method for determination of Aggregate Impact Value (AIV) under dry conditions. Code: (BS-812) 4.1 Purpose The aim of this method is to determine the 1) Impact Value of road aggregates. 2) To assess the suitability of aggregates for use in different types of road pavements. 3) To assess the resistance of an aggregate to ...
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DETERMINATION OF AGGREGATE IMPACT VALUE. | PPT
The aggregate impact test evaluates the toughness and resistance of aggregates to sudden impact. The test involves compacting aggregates between 10-14mm in a metal cylinder, dropping a 13.5-14kg hammer onto the aggregates from 380mm, and sieving the crushed material. For the sample tested, Sample 1 had an aggregate impact …
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Impact test – Determination of aggregate Impact value
The ratio of aggregate which passes through the sieve to the total weight of sample in each test in terms of percentage is the impact value of aggregate. Now we compute the impact value using these two test using the formula below. Aggregate impact value = W2/ W1 *100. where, W2 – Weight of aggregate which passes through …
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Determination Of Aggregate Impact Value
Aggregate Impact value is the ratio between the weights of the fines passing 2.36 mm IS sieve and the total sample. APPARATUS. Standard Impact Testing machine. ... DETERMINATION OF AGGREGATE IMPACT VALUE IS:2386 (Part 4)1963. Description: Test I. Test 2: Test 3: Average. Weight of oven dry sample (A).
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Determination of Aggregate Impact Value (Aiv) (BS 812 …
DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS 812-112).pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Scribd is the world's largest social reading and publishing site.
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Testing aggregates. Method for determination of aggregate impact value
1 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. Two procedures are described, one in which the. aggregate is tested in a dry condition, and the other.
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Testing Aggregates. Method for Determination of Aggregate Impact Value
Method for Determination of Aggregate Impact Value (AIV), Part 112 British standard: Authors: British Standards Institute Staff, British Standards Institution: Publisher: B S I Standards, 1990: ISBN: 0580188272, 9780580188275: Length: 14 pages : Export Citation: BiBTeX EndNote RefMan:
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DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) …
Scope: This Part of BS 812 describes methods for the determination of which aggregate impacts values (AIV) which yields a relative measure of the durability of an aggregate to sudden stun conversely impact. Principle A test specimen is packed, in a
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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. 2.Apparatus Required Fig. 1: Balance Balance should be accurate upto 1 g Fig. 2: Sieves Seives required are 12.5, 10.0 and 2.36 mm Fig. 3: Impact ...
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Aggregate Impact Test Procedure for Determining AIV as …
Article Name. Aggregate Impact Test Procedure for Determining AIV as Per IS 2386 Part-4. Description. The Aggregate impact test is used to determine the aggregate impact value (AIV), which provides a relative measure of the resistance of a coarse aggregate to sudden shock or impact. Lower Aggregate Impact values indicate aggregates that are ...
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Aggregate Impact Value (AIV) Apparatus
Dimensions. 440x320x870 mm. Weight (approx) 55 kg. Product code TMA-1130 Aggregate Impact Value (AIV) Apparatus Standartlar BS 812:112 Aggregate Impact Value Testing Apparatus (AIV) is used to determine the aggregate impact value which provides a relative measure of the resistance of an aggregate t.
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IS 5640 (1970): Method of test for determining …
1.1 This standard covers the procedure for determining the aggregates impact value of soft coarse aggregate used for bases and sub-bases of road pavements. 2. APPARATUS. 2.0 The apparatus shall consist of the following: · of test for aggregates for concrete: Part IV tRule. for rounding off numerical value. ( rlv;Sld).
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Determination of Aggregate Impact Value Impact Test on …
In conclusion, the determination of the aggregate impact value is a crucial test in determining the suitability of aggregates for road construction. This test helps in evaluating the resistance of aggregates against impact and can identify any weak or faulty aggregates that may cause road damage.
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7.6 Aggregate Impact Value 7.6.1 Scope.
The aggregate impact value gives a relative measure of the resistance of the aggregate to sudden shock or impact. The particular purpose which an aggregate is meant to serve …
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(DOC) Aggregate crushing value Test Lab Report
Calculation: After 2.36 (8) sieves retained = 1990 gram. 2500−1990 ACV = × 100 2500 f = 20.4 % Result: Aggregate crushing value = 20.4% Result Analysis: 1. 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.
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Impact Value of Aggregate procedure, Limits ASTM C131| BS …
A standard amount of impact under controlled conditions determines the impact value of the aggregate by subjecting the aggregate sample to it. The tamping rod fills and …
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IS 2386-4 (1963): Methods of test for aggregates for …
a) Determination of Aggregate Crushing 'alue, b) Determination of the 10 percent Fines Value, c) Determination of Aggregate Impact Vaiue, d) Determination of Aggregate Abrasion Value, e) Determination of the Polished Stone Value, and f) Determination of Crushing Strength. 2.
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Aggregate Crushing Value Test – Procedure, Result
The aggregate crushing value formula is given below, Aggregate crushing value = (W3 / W) or W3 / (W2 – W1) W1 = Empty weight of cylindrical Measure. W2 = Weight of Aggregate with Cylindrical Measure. W = W2 –W1 = Weight of Aggregate Sample. W3 = Weight of crushed aggregate sample passed through 2.36 mm IS Sieve.
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D5874 Standard Test Methods for Determination of the Impact Value …
1.1 These test methods cover the determination of the Impact Value (IV) of a soil either in the field or a test mold, as follows: 1.1.1 Field Procedure A— Determination of IV alone, in the field. 1.1.2 Field Procedure B— Determination of IV and water content, in the field. 1.1.3 Field Procedure C— Determination of IV, water content, and ...
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DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS …
DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS 812-112. M. kashif iqbal. Scope: This Part of BS 812 describes methods for the determination of the aggregate …
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Impact Value of Aggregate
Aggregate Impact Value = (B/A) X 100 where A = weight in g of saturated surface - dry sample, B = weight in g of fraction passing through 2.36 mm IS Sieve 6. 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.
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BS 812-112:1990 Testing aggregates Method for determination …
BS 812-112:1990. 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. Two procedures are described, one in which the aggregate is tested in a dry condition, and the other in a soaked condition.
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Aggregate Impact Value (AIV) — Material Testing Expert
Aggregate. . Asphalt. . Concrete. . Geotechnical. . Metal. . Cement. . Environmental. . Asbestos. . Air Quality. . Soil Contamination. . Water Contamination. . …
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Aggregate Crushing Value – Significance & Test Procedure
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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LABORATORY MANUAL
2 Determination of aggregate impact value of the given specimen 11 14 3 Determination of specific gravity and water absorption of an aggregate 15 18 4 Determination of abrasion value of coarse aggregate by Los Angles method 19 23 5 Determination of penetration value of the given bitumen 24 26 ...
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Testing aggregates
procedure described in 6.2 except that the test NOTE 3 When an aggregate impact value (AIV) as determined portion is tested in the as-received condition and not by the procedure given in BS 812-112 is available, the force as oven-dried material. ... BS 812-110, Methods for determination of aggregate crushing value (ACV). BS 812-112, Methods for ...
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AGGREGATE IMPACT VALUE (IS:2386-Part IV-1963)
For determination of the aggregate impact value of coarse aggregate, which passes 12.5 mm. IS sieve and retained on 10 mm. IS sieve. ... Oven(300 0 c) Aggregate Impact Value Test Apparatus. Preparation Of Test Sample. Test sample consist of aggregate passing a 12.5mm IS sieve and retained on a 10mm IS sieve. The …
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Exp 4 Aggregate Impact Value
Aggregate Impact Value. The test sample shall consist of aggregates the whole of which passes through ½ in B.S. test sieve and is retained on a 3/8 in B.S. test sieve. The aggregate comprising the test sample shall be …
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Determination of Aggregate Impact Value
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 consists of aggregates sized …
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DETERMINATION OF AGGREGATE IMPACT VALUE – …
1.The test sample should have aggregates sized 10.0 mm & 12.5 mm. Aggregates may be dried at 100-110° C temperature for a period of 4 hours and then cooled at room temperature. 2.Bring the impact testing machine to rest without wedging or packing up on the level plate, block or floor, so that it is rigid and the hammer guide columns are vertical.