IMPACT VALUE OF AGGREGATE
Calculation The ratio of the weight of fines formed to the total sample weight in each test shall he expressed as a percentage, the result being recorded to the first decimal place: …
Testing aggregates
The apparatus is either as described in clause 5 or when testing aggregate smaller A.6 Test report than 10 mm in particle size, as described in A.2.2 The test report shall contain the information to A.2.7.
Aggregate Crushing Value – Significance & Test Procedure
The aggregates crushing value test should be performed as per IS code 2386 Part IV. First, fill the sample aggregate with one-third of the cylindrical measure in three layers. Each layer should be tamped 25times freely. After filling the sample aggregate, weigh and record it as W1. Now fill the aggregate in the mould along with the plunger on top.
Aggregate Impact Value (AIV) — Material Testing Expert
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. …
Impact value test | PPT
Formula Used Aggregate Impact value is expressed as percentage of fineness formed w.r.t total weight of sample. Aggregate Impact Value (AIV) = (M2/M1)*100. Where M1= Mass of test specimen. M2= Mass of test specimen passing 2.36 mm test sieve. I.V.A = M2/M1 x100 OR I.V.A = C/A x100 M1 = Total weight M2 = Weight of …
DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS …
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 …
Aggregate Impact Value
Aggregate impact value = (B/A) x iii) Two such tests should be carried out and the mean of the results should be reported.
(DOC) AGGREGATE IMPACT VALUE TEST | hong g.woei
The strength of coarse aggregates is assessed by aggregates impact test. The aggregate impact value provides a relative measure of resistance to crushing under a gradually applied compressive load. To achieve a high quality of pavement, lower aggregate impact value should be preferred. Toughness is the property of a material to resist impact ...
Aggregate Impact Value Test | Impact Test of …
The data from the Aggregate Impact Value Test is analyzed by comparing the Impact Value of the sample to established standards for road construction aggregates. If the Impact Value exceeds the …
Aggregate Impact Value Calculator, Test on course and Fine Aggregate
Calculate Aggregate Impact Value. The ratio of the weight of fines formed to the total sample weight in each test shall he expressed as a percentage, the result being recorded to the first decimal place: Aggregate Impact Value = W B W A × 100. Where, W A is Weight of oven-dried sample; W B is Weight of fraction passing through 2.36-mm IS Sieve ...
DETERMINATION OF AGGREGATE CRUSHING VALUE
their disintegration due to impact. This characteristic is measured by impact value test. 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. 3. APPARATUS The apparatus of the aggregate impact value test as per IS: 2386 (Part IV) – 1963
Aggregate Impact Value
AGGREGATE IMPACT VALUE This test is done to determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) – 1963. ... Precise and accurate and informative report on AIV test. Reply. Rajith Fernando says: January 2, 2010 at 1:46 am. is 12.5 mm sieve acordingly BS or ASTM. Reply. okwu peter says:
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 ...
Determination of elongation index | PDF
3. Page | 3 OBJECTIVE This procedure describes the determination of the elongation index of an aggregate. It is based upon BS 812 100 and BS 812, Part 1 105.2. The procedure applies to aggregates having a nominal size of not greater than 63mm and having at least 80% by mass retained on a 6.7mm sieve.
12 Lab test on water bound macadam road to check quality
Furthermore, here is 12 Lab test on water bound macadam road to check the quality a comprehensive. Gradation Analysis To ascertain the particle size distribution of the aggregate in the WBM, ensuring compliance with grading requirements. Moisture Content Test Measures the moisture content of the aggregate material used in the WBM, which …
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.
AGGREGATE IMPACT VALUE TEST-10
Aggregate impact value test gives an indication of aggregate's toughness property (i.e. property of a material to resist impact) Aggregate impact values are used to classify the stone aggregates …
(DOC) Aggregate crushing value Test Lab Report
Aggregate crushing value Test Lab Report. Adnan Abir. Objective: 1. Determine the aggregate crushing value of coarse aggregate. 2. Assess suitability of coarse aggregates for use in different types of road. Theory: The " aggregate crushing value " give a relative measure of the resistance of an aggregate to crushing under gradually applied ...
Department of Civil and Environmental Engineering
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 …
Aggregate Impact Value Test
The ratio of the weight of fines formed by the total weight of the sample in each test shall be calculated and expressed in %age. The results shall be recorded to the first decimal place. Aggregate impact value = W 1 / W 0 x 100. Where, W 1 = Weight of the aggregate passing through the 2.36 mm IS sieve.
Aggregate crushing strength test | PPT
After Sieving dry the test specimens by heating at a temperature of 105±5oC. 9 (Table:03) Guide to minimum mass of test portions required to obtain a suitable mass of material to determine the aggregate crushing value Grading of the aggregate Minimum Mass of the test portion1) mm All-in aggregate 40 max. size All-in aggregate …
Wet Mix Macadam Construction and Quality Control
Aggregate Impact Value: IS 2386 (Part -4) IS 2386 (Part -4) or IS :5640: 40 % (Max.) 30% (Max: 2. Combined Flakiness and Elongation indices (Total) ... Mix design with the proportion of all materials, grading/test reports shall be submitted to Engineer, and a trial patch of appropriate length shall be constructed before the actual commencement ...
Aggregate Impact Value Test | PDF | Construction Aggregate
The difference of weight = 298 – 297 = 1g. Aggregate impact value (AIV) = (weight passing sieve) / (initial weight ) *100. (80/298)*100 = 26.8%. fDISCUSSION. The aggregate impact value test is to determine the aggregate impact value (AIV) of. aggregate and to assess their suitability in road construction on the basis of impact value.
7 Aggregate Test: Method & Procedure
The following are the Aggregate Tests, 1. Impact Test on Aggregates. What Is the Impact Value Of Aggregate? It is the ability of aggregates that resist sudden impact or shock load on it. Also, it can be defined as the …
Aggregate impact value
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 …
Aiv Test Report | PDF | Road Surface | Experiment
Aggregates Impact Test (AIV) Introduction: Impact value of an aggregate is the percentage loss of weight particles passing 2.36mm sieve by the application of load by means of 15 blows of standard hammer and drop, under specified test condition. The aggregate impact value gives a relative measure of the resistance of an aggregate to …
Aggregate impact value test experiment | PDF
If the aggregates are weak, the stability of the concrete structure is adversely affected. The strength of coarse aggregates is assessed by Aggregate Impact Value test. The aggregate impact value provides a relative measure of resistance to sudden shock or impact. APPARATUS 1. Aggregate impact testing machine 2. Cylindrical mould 3. …
Impact Test on Aggregates: Importance and Procedure
The Aggregate Impact Value is calculated as follows: Aggregate Impact Value (AIV) = (W 2 /W 1) * 100. Where W 2 is the total weight of the aggregates passed through the 2.36 mm sieve after the 15 blows, and W 1 is the weight of the original sample of aggregates. Precautions during the Impact Test on Aggregates
Aggregate impact value test- step by Step Procedure …
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 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 …