Determination of Aggregate Impact Value - Impact Test on,
22-02-2010· The aggregate impact value is a measure of resistance to sudden impact or shock, which may differ from its resistance to gradually applied
(PDF) DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS,
DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS 812-112) 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 standardized manner, into an open steel cup.
DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.
15-12-2017· The aggregate impact value indicates a relative measure of the resistance of the aggregate to a sudden shock or impact which in some aggregates differs from its resistance to a slow compressive load. From the calculations done we know that the aggregate can be acceptable as their Aggregate Impact value is less then 20% Aggregate Impact Value
Impact test - Determination of aggregate Impact value,
30-03-2021· Aggregate impact value = W2/ W1 *100 where, W2 – Weight of aggregate which passes through the IS sieve 2.36mm. W1 – Weight of oven-dried aggregate. For good quality aggregate, the impact value should not exceed 30% for concrete work and 45 % for base course. Los Angeles abrasion Test on Aggregates Timber – 5 Main Quality Tests and
Methods for determination of aggregate impact value (AIV,
Aggregate Impact Value (AIV) = 𝑾 𝑾 × Calculate the mean of the two results to the nearest whole number. 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 specimens,
Determination of Aggregate Impact Value - CivilArc
12-01-2017· 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
Methods for determination of aggregate impact value (AIV,
Aggregate Impact Value (AIV) = 𝑾 𝑾 × Calculate the mean of the two results to the nearest whole number. 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 specimens,
DETERMINATION OF AGGREGATE IMPACT VALUE.
3. Engr.Sayed Shajedul Hasan. Apparatus for Aggregate Impact Test Aggregate Impact Value Apparatus Balance (i) A testing machine weighing 45 to 60 kg and having a metal base with a painted lower surface of not less than 30 cm in diameter. It is supported on level and plane concrete floor of minimum 45 cm thickness.
DETERMINATION OF AGGREGATE IMPACT VALUE – HIGHWAY
Determination of impact value SCOPE : The aggregate impact value provides the property of a relative resistance of the aggregate to sudden shock or impact. The particular purpose which an aggregate is meant to serve requires the aggregate to have a particular strength which is usually stated in the specification.
Determination of aggregate impact value (AIV) of given,
13-02-2020· Determination of aggregate impact value (AIV) of given aggregate sample (BS-812) Significance: Aggregates used in the construction of roads should be strong enough to resist crushing under traffic wheel loads. It gives relative measure of the resistance of an aggregate to sudden shock or impact.
Aggregate Impact Value Test | Impact Test Of Aggregate,
Importance of Impact Test on Aggregates. The impact test on aggregate is carried out to know the response of aggregates to different kinds of loads that the aggregates will be subjected to during their service life.. The need for impact value test is used to measure the toughness of aggregates which is nothing but the ability of aggregates to resist the sudden loading or
Aggregate Impact value Test Apparatus, Procedure and uses,
01-07-2019· 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 transmitted on the aggregates.
Determination Of Aggregate Impact Value
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
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.
Impact Test of Aggregate | Lab Test Procedure,
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.
Methods for determination of aggregate impact value (AIV,
Aggregate Impact Value (AIV) = 𝑾 𝑾 × Calculate the mean of the two results to the nearest whole number. 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 specimens,
Determination Of Aggregate Impact Value - Help The Engineer
STANTMRD IS: 2386 (Part4) 1963. DEFINITION 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. Cylindrical steel cup 6.3 mm thick and having internal diameter of 102 mm and depth of 50 mm. A straight metal tamping rod Determination Of Aggregate
Determination of Aggregate Impact Value.docx,
View Determination of Aggregate Impact Value.docx from ENGINEERIN 101CE at U.E.T Taxila. Determination of Aggregate Impact Value – Impact Test on Aggregates Determination of Aggregate Impact Value
Determination Of Aggregate Impact Value
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
discussion determination of aggregate impact value
51 Impact Value as determined using the standard 45 kg 10 lbm hammer has direct application to design and construction of pavements and a general application to earthworks compaction control and evaluation of strength characteristics of a wide range of materials such as soils soil aggregates stabilized soil and recreational turf Impact Value is one of the properties used to
Lab Report.docx - Determination of Aggregate Impact Value,
Discussion AIV is used for the determination of the toughness of aggregates. Crush samples having an impact value of 12.5% fall in the category of 10-20%, therefore, the aggregate test sample is classified as strong and can be seen in the table below. The aggregate impact value is useful for selecting the good aggregates for road construction.
Determination Of Aggregate Impact Value Discussion And,
Determination Of Aggregate Impact Value Discussion And Conclusion. aggregate impact value of the specimen. If the AIV is less than 10 the aggregates are exceptionally strong but if AIV is in range 10. until 30 the aggregates have good strength resistance.
determination of aggregate impact value - stedelijkoss
Determination of Aggregates Impact Value civil4m. Oct 22 2017· Determination of Aggregates Impact Value This test is done as per IS 2386 Part 4 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
pdf Download BS 812-112: Testing Aggregates Part 112,
Aggregates, Cement and concrete technology, Impact testing, Mechanical testing, Test equipment, Specimen preparation, Test specimens, Testing conditions, Reproducibility Methods which give a relative measure of the resistance of an aggregate to sudden shock or impact. ; Specifies methods for the determination of the aggregate impact value (AIV) which gives a
[Solved] The aggregate impact value of the aggregate used,
Concept: Aggregate Impact Test: It is conducted to determine the toughness of the aggregates. For testing, the specimen passing through 12.5 mm sieve but retained on 10 mm sieve is filled in 3 layers with 25 time stamping on each layer and then hammer of 13.5 to 14 kg is dropped freely from a height of 38 cm for 15 blows.. Aggregate impact value is then the percentage of fine
