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This Apparatus is used to determine aggregate impact value of coarse aggregate The hammer of the tester fall freely from 380 mm height on coarse aggregate for 15 times/15 crushed aggregate removed from the cup then sieved and weighed The % ratio of the weight passing sieve and weight of oven dried sample is Aggregate Impact value
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AIV Testing Apparatus STANDARDS BS 812 112 AIV Testing Apparatus meets with BS 812 it is robustly designed to determine the Aggregate Impact Value AIV of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact
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Jun 29 2022Procedure of Aggregate Impact value test The test sample normally aggregates sized mm to mm the aggregates should be dried by heating at 100 110 0C for a period of 4 hours and cooled Sieve the material through and mm IS sieves The aggregates passing through mm sieve comprises the test material
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The aggregate impact value is the ratio of the weight of the fraction passing through mm weight W2 by the total weight of the sample weight W1 W2 Aggregate Impact Value = W2/ W1 W2 100 = 80 gm / 300 gm = Impact Value Where W1= Weight of the fraction passing through a mm IS sieve 220 gm
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To determine the aggregate impact value Apparatus Required 1 An impact testing machine weighing between 45kgs to 60 kgs with a metal base 2 A cylindrical steel cup having an internal diameter of 102mm depth of 50mm and thickness of 3 A metal hammer with the cylindrical lower end and weighing to 14kgs 4
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Feb 11 202109 01 2024 AIV test is conducted to determine the Aggregate Impact Value of Coarse 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 compression load
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This study examined the effects of various treatment methods by testing the aggregate impact value AIV and water absorption WA of recycled coarse aggregate before and after treatments as an indicator to examine the efficiency of these treatments The results showed that the untreated RA achieved 17% and % for AIV and WA respectively
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Aggregate Impact Value Test important to determine 1 Aggregate s toughness property property of a material to resist impact 2 Classify the stone aggregates with respect to toughness property as given below Aggregate impact value % Toughness Properties 10 Exceptionally tough / Strong 10 20 Very tough / Strong 20 30
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The cup is fixed firmly in position on the base of the M1 M2 M3 g the aggregate impact value and more the aggregate impact value less is the hammer machine and the whole of the test sample from 2 To determine the aggregates toughness of the road aggregates and the cylindrical measure is transferred to the cup
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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 mm IS Sieve
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Dec 1 Aggregate impact value test AIV soil compaction technique originally from 1930 33 to determine the overall dry weight of the soil unit Proctor 1948 Bud hu 2024
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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
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For example the Credit Facility s income coverage covenant or test requires us to maintain a ratio whereby the aggregate amount of interest received on the portfolio loans must equal at least 125% of the interest payable in respect to the Lenders and other parties
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10 after calculation we can find aiv % by given formula aiv % = w1 w/w2 x 100 application s of aiv aggregate having aiv % less 50% is better to use in construction where as those having value more than 50% are bad for construction it is reliable to calculate the aiv % of the aggregate use as road metal as it will give us the capacity of …
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Aggregate Impact Tester ₹ 11 500 Get Quote Aggregate Impact Testing Apparatus Get Quote Watch Video AIV TESTING Aggregate Impact Tester With Blow Counter For Laboratory Automation Grade Manual ₹ 12 000 Get Latest Price Product Type AIV TESTING Automation Grade Manual Usage/Application Laboratory Dimensions 75mm dia x 50mm high
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Apr 4 2022Aggregate Impact Test AIV ECG 344 HIGHWAY 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 value of AIV is 29 for test 1 29 fortest 2 and 29 for test 3
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First we determined which proportion of 1 year frequent attenders was still a frequent attender during the next two consecutive years and calculated the GPs workload for these patients Second we compared morbidity and number of prescriptions for non frequent attenders 1 year frequent attenders and persistent frequent attenders
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The Aggregates Impact Value AIV Apparatus is used to determine the aggregate impact value which provides a relative measure of the resistance of an aggregate to sudden shock or impact The counter fitted to the machine automatically records the number of blows delivered to the sample AIV is made from steel protected against corrosion
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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 This test can be performed even at construction site or at stone quary as the apparatus is simple and portable
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Aggregate Impact Value Test and Procedure Oct 31 2024 The aggregate impact value is a determining measure of resistance to sudden impact or shock which may differ from its resistance to gradually applied compressive load Aim To determine Aggregate Impact Value Using Impact Testing Machine Apparatus Impact Testing Machine Weight of hammer is 13 5 to 14 0 kg and Height of Fall is
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AIV test is conducted to determine the Aggregate Impact Value of Coarse 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 compression load
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The impact value was determined by finding the percentage loss of weight particles passing sieve with 15 blows of standard hammer drop Besides the test also provides a relative measure of the resistance of an aggregate on sudden shock or impact Based on the results coarse aggregates lost its weight by 17% of its total dry weight
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It is robustly designed to determine the aggregate impact value AIV of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact The counter fitted to the machine automatically records the number of blows delivered to the sample manufactured from heavy duty plated steel to resist corrosion
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The aggregates passing through sieve and retained on sieve comprises the test material ii Pour the aggregates to fill about just 1/3 rd depth of measuring cylinder iii Compact the material by giving 25 gentle blows with the rounded end of the tamping rod iv Add two more layers in similar manner so that cylinder is full
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SPECIFICATION Aggregate Impact Value AIV is robustly designed to determine the aggregate impact value AIV of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact The counter fitted to the machine automatically records the number of blows delivered to the sample manufactured from heavy
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Free Bootstrap Theme by experiment aggregate crushing value pieprz eu aggregate crushing value experiment baker rock resources asphalt aggregate and baker rock resources baker rock resources is a local family owned and Experiment in aggregate impact value Experiment in aggregate impact value Products As a leading global manufacturer of crushing grinding and mining
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Aggregates Impact Test AIV Introduction Impact value of an aggregate is the percentage loss of weight particles passing 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 sudden shock or impact which in some aggregates differs from
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The findings from this study showed that it is possible to produce greener lightweight aggregates with a density as low as 650 kg/m3 However the optimum content of blast furnace flue dust
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The AIV is normally aggregate impact value test Go to Product Center theory aggregate impact value test AGGREGATE IMPACT VALUE This test is done to determine the AGGREGATE BS 1377 Part 4 1990 the AGGREGATE IMPACT VALUE AIV BS 812 Go to Product Center
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Calculations The aggregate impact value is expressed as the percentage of the fines formed 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 mm test sieve Results AIV % Quality < 10 Exceptionally strong 10 20 Strong 10 30 Satisfactory
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