aggregate impact value test report discussion|aggregate test is code : department Store Calculate the Aggregate Impact Value by dividing the weight of the fraction passing through the sieve by the total weight of the sample, and multiplying by 100. Round the result to .
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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 .Aggregate impact value (AIV) is the percentage of fines produced from the .The aggregate impact value is a relative measure of an aggregate’s resistance to . This document summarizes a laboratory report on determining the aggregate impact value of samples according to Malaysian Public Works Department (JKR) standards. The experiment involved subjecting aggregate .
Aggregate impact value (AIV) is the percentage of fines produced from the aggregate sample after subjecting it to a standard amount of impact. It is the percentage loss of weight of particles passing 2 sieve by the application on .
Calculate the Aggregate Impact Value by dividing the weight of the fraction passing through the sieve by the total weight of the sample, and multiplying by 100. Round the result to .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 suitability in road .The aggregate impact value is a relative measure of an aggregate’s resistance to a quick shock or impact, which is differs from its resistance to a sustained compressive load in particular aggregates.
The aggregate impact value test is done to test the compressive strength of aggregate when sudden and immediate impact force acted on it. It is expressed in percentage (%). It should be less for high impact bearing aggregate for .
Uses of the test. To determine the impact value of the aggregates used in pavement construction (Road); To assess their suitability in road layers (base course, surface course ) construction on the basis of impact value. This video demonstrates a aggregate impact value test to determine the aggregate impact value of coarse aggregate. The aggregate impact value gives a relativ.Aggregate crushing value = (W2 x 100) / (W1-W) W2 =Weight of fraction passing through the appropriate sieve W1-W =Weight of surface dry sample. The mean of two result to nearest whole number is the aggregate crushing . This video demonstrates a aggregate impact value test to determine the aggregate impact value of coarse aggregate. The aggregate impact value gives a relativ.
Procedure The aggregate sample: The material for the standard test consists of aggregates sized 10.0 mm to 12.5 mm.The aggregates must be in a surface dry condition before testing. The aggregates may be dried by .EXAMPLE FOR LAB REPORT laboratory aggregate impact value introduction aggregate impact value (aiv) is the percentage of fines produced from the aggregate sample . The test gives an idea of toughness of the aggregate to resist facture under the impact of moving loads. AIV below 10 are regarded as strong, and AIV’s above 35 would normally be .Impact value of an aggregate is the percentage loss pf weight of particles passing 2 sieve by the application on load by mean of 15 blows of standard hammer and drop under specified test condition. The aggregate impact value gives a relation measure of the resistance of an aggregate to sudden shock or impact, which in some aggregates differs .The apparatus of the aggregate impact value test as per IS: 2386 (Part IV) – 1963 consists of: 7) 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. It is supported on level and plane concrete
Aggregate impact value test also gives an indirect indication of the strength characteristics of aggregate. . Maximum allowable aggregate impact value of aggregate in different types of pavement material / layers as per IRC is as below; . Aggregate Impact Value Discussion? The 190 Top Answers. Manoj. February 1, 2017 at 1:39 am .
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Apparatus for the Aggregate Impact Value Test (Millard, 1993) 4 PROCEDURE 1. The aggregate is sieved and the part that passes 12 mm is obtained and retained on a 10 mm sieves. 2. This aggregate is washed and dried at a constant temperature of 1050 C to 1100 C and then the sample is cooled. 3.
applied compressive load. With aggregate of aggregate impact value (AIV) higher than 30 the result may be anomalous. In addition, aggregate sizes larger than 15 mm are not appropriate to the aggregate impact test. The standard aggregate impact test shall be made on aggregate passing a 15 mm BS test sieve and retained on a 10 mm BS test sieve .
This document describes a test to determine the aggregate impact value (AIV) of aggregates used in road construction. The test involves sieving aggregates to obtain samples between 14-10mm in size, drying the samples, compacting them in layers in a steel cylinder, and subjecting the cylinder to 15 blows from a hammer. The aggregates passing through a 2.36mm sieve are .
Impact Value = 45/289 × 100 = 15 %. Calculation for sample 3. W1 = 1074 – 774 = 300g. Impact Value = 47/300 × 100 = 15 %. DISCUSSION. In this laboratory, aggregate impact values test is conducted to measure the impact value of. aggregate that need for the construction of highway pavement and concrete structure. Other
[19,20,21,22,23] Kwek and Awang (2018) [19] Water The aggregate impact value test determines the aggregate's resistance to sudden loading [24], which may differ from the resistance to .compressive load. With aggregate of aggregate impact value (AIV) higher than 30 the result may be anomalous. Also aggregate sizes larger than 14 mm are not appropriate to the aggregate impact test. The standard aggregate impact test shall be made on aggregate passing a 14. mm BS test sieve and retained on a 10.0 mm BS test sieve. If required .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, calculate the median of the four results to the nearest whole number and report the median as the aggregate impact value.Aggregate Impact Value report.docx - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. The document describes the Aggregate Impact Value (AIV) test outlined in ASTM-D58-74. .
The purpose to get the Aggregate Impact value is to determine the classification of aggregate to determine that aggregate is Suitable for what work and either the aggregate can carry the big load or not. From the test have been do, the . Read definition, apparatus, IS code, procedure, observations, formula, result and lab report about aggregate impact value test. Apparatus Required for Aggregate Impact Value Test:-Impact testing machine; .
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 subjected to 15 .Aggregate Impact Value on Coarse Aggregates Apparatus for Aggregate Impact Test The apparatus as per IS: 2386 (Part IV) - 1963 consists of: (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. 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: M1 =Mass of the test specimen M2 = Mass of the test specimen passing 2.36 mm test sieve
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 evaluate the quality of aggregates which can be used in road construction. The specifications for this test are given in IS : 2386 Part IV 1963 mechanical properties.number. Report the mean as the Aggregate Crushing Value, unless the individual results differ by more than 0.07 times the mean value. In this case repeat the test on two further specimens, calculate the median of the four results to the nearest whole number and report the median as the Aggregate Crushing Value. A data sheet is given as Form 7.7.1.LAB Report Aggregate Impact TEST. NOT A FINAL RESULT. Course. highway engineering (ecg 344) . SUMMARY OF PROCEDURES/METHOD 4 ANALYSIS AND INTERPETATION OF DATA 2 4 6 8 10 5 DISCUSSION OF RESULT 2 4 6 8 10 6 CONCLUSIONS 2 4 6 8 10: GROUP ASSESSMENT FOR REPORT. . The aggregate impact value is a gauge of a material's .
Observations and Calculations Calculate the aggregate impact value (AIV) expressed as a percentage to the first decimal place for each test specimen from the following equation: Where (𝐴𝐼𝑉) = 𝑀2 × 100 𝑀1 M 1 is the mass of the test specimen (in g); M 2 is the mass of the material passing the 2.36 mm test sieve (in g .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. Results The mean of the two results shall be reported 7. Video Aggregate Crushing Value Test 8. Download Download PDF
A.5 Calculation and expression of results Follow the general procedure described in clause 8. A.6 Test report The test report shall contain the information specified in clause 10 with additionally, the size of the aggregate tested, and if smaller than the definitive apparatus, the nominal size of the cylinder used in the test.
It is important to keep the amount of flaky and elongated aggregate within permissible levels. Generally, flaky and elongated aggregate are avoided or are limited to about 15 % by weight of the total aggregate. Read More: Aggregate Impact Value Test, Procedure, Result & Standards What is Flakiness Index? “The flakiness index of aggregate is .
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aggregate impact value test report discussion|aggregate test is code