Jul 16 2014 · 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

Dec 15 2017 · Classification of aggregates using Aggregate Impact Value is as given below Aggregate Impact Value Classification 20 Exceptionally Strong 10 – 20 Strong 2030 Satisfactory for road surfacing 35 Weak for road surfacing 5 5 APPARATUS 1 Aggregate Impact Value Test Machine 2 BS test sieve 3 A metal tamping rod 4

Aggregate Impact Value The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine conforming to IS 2386 Part IV 1963IS Sieves of sizes – 125mm 10mm and 236mm A cylindrical metal measure of 75mm dia and 50mm depth A tamping rod of 10mm circular cross section and 230mm length rounded at one end and Oven

Mar 21 2018 · 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 Aggregate Impact Value AIV • AIV is the percentage of fines produced from the aggregate sample subjecting it

Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load Coarse aggregate crushing value is the percentage by weight of the crushed material obtained when test aggregates are subjected to a specified load under standardized conditions

The value of aggregate impact test should not be more than 45 by weight of aggregates used for concrete other than wearing surface An impact value 35 is permissible for the bituminous macadam Maximum permissible impact value for the water bound macadam is 40

May 07 2013 · Aggregate Impact Test Machine Sieves 125mm10mm Cylindrical metal measure Tamping Rod Balance 010kg Oven300 0 c Aggregate Impact Value Test Apparatus Preparation Of Test Sample Test sample consist of aggregate passing a 125mm IS sieve and retained on a 10mm IS sieve The aggregate to be tested is dried in oven for a period of not less than 4hours

Aggregate Impact Value Test YouTube Aug 27 2009 Impact value of an aggregate is the percentage loss of particles passing 236mm sieve by the perfect for my report geez thanks for the video

Mar 21 2018 · 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 Aggregate Impact Value AIV • AIV is the percentage of fines produced from the aggregate sample subjecting it

The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine conforming to IS 2386 Part IV 1963IS Sieves of sizes – 125mm 10mm and 236mm A cylindrical metal measure of 75mm dia and 50mm depth A tamping rod of 10mm circular cross section and 230mm length rounded at one end and Oven

The value of aggregate impact test should not be more than 45 by weight of aggregates used for concrete other than wearing surface An impact value 35 is permissible for the bituminous macadam Maximum permissible impact value for the water bound macadam is 40

Jan 12 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 aggregates of size ranging from 100 mm 125 mm Aggregates can be dehydrated by warming them at temperatue of 100110° C for a timeframe of 4 hours and spread to

Jun 30 2019 · AGGREGATE IMPACT VALUE TEST AIM To find Impact value of the given aggregate sample APPARATUS The apparatus consists of an impacttesting machine a cylindrical measure tamping rod IS sieve balance tamping rod and oven

Oct 09 2018 · Basically the aggregates impact value is aggregate which provides a relative measure of the resistance of an aggregate to sudden shock or impact However it can be explain as the aggregate crushing value which is defined as a ratio of the weight of fines passing the specified sieve to the total weight of the sample expressed as a percentage

Transcript of AGGREGATE IMPACT TEST In this test we knew the percentage or wear for the aggregate used in the test The percentage of wear vary between 10 to 45 We got the percentage of wear of the aggregate between 10 to 45 which is 2838 Sothe aggregate that used had the average strength and had an average resistivity against the abrasion

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Aggregate Impact Value Used to determine the impact value of aggregates and select them for a given application The device has a tripaction hammer release blow counter device and

Jan 12 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 aggregates of size ranging from 100 mm 125 mm Aggregates can be dehydrated by warming them at temperatue of 100110° C for a timeframe of 4 hours and spread to

Aggregate Impact Value Test YouTube Aug 27 2009 Impact value of an aggregate is the percentage loss of particles passing 236mm sieve by the perfect for my report geez thanks for the video

A read is counted each time someone views a publication summary such as the title abstract and list of authors clicks on a figure or views or downloads the fulltext

AGGREGATE CRUSHING VALUE TEST IS 2386PART 4 quality of pavement aggregate possessing low aggregate crushing value To determine the aggregate crushing value by compressive testing machine Results The mean of the crushing value obtained in the two tests is reported as the

Oct 09 2018 · Basically the aggregates impact value is aggregate which provides a relative measure of the resistance of an aggregate to sudden shock or impact However it can be explain as the aggregate crushing value which is defined as a ratio of the weight of fines passing the specified sieve to the total weight of the sample expressed as a percentage

Feb 08 2012 · Aggregate impact and crushing test The test sample is subjected to 15 blows of the hammer dropping 381 mm each being delivered at an interval not less than one second5 The crushed aggregate is sieved over a 236 mm sieve The fraction passing

Aggregate Impact Value Test Apparatus With Blow Counter Consist of a base Aggregate crushing value apparatus 150 mm dia cylinder It is useful for 38 to

Test Concept Once the test is complete the calculated mass of aggregate that has broken apart to smaller sizes is expressed as a percentage of the total mass of aggregate Therefore lower LA abrasion loss values indicate aggregate that is tougher and more resistant to abrasion

Transcript of AGGREGATE IMPACT TEST In this test we knew the percentage or wear for the aggregate used in the test The percentage of wear vary between 10 to 45 We got the percentage of wear of the aggregate between 10 to 45 which is 2838 Sothe aggregate that used had the average strength and had an average resistivity against the abrasion

Aggregate Abrasion Test The percentage loss in mass of chippings is known as the aggregate abrasion value AAV and ranges from about 1 for hard flints to over 16 for aggregates that would normally be considered too soft for use in road surfacings