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7 LAB TESTS ON AGGREGATE TO CHECK QUALITY FOR USE IN …

Sep 12, 2015· The crushed aggregate is allowed to pass through mm IS sieve. And the impact value is measured as percentage of aggregates passing sieve (W2) to the total weight of the sample (W1). Aggregate impact value = (W1/W2)*100. Aggregates to be used for wearing course, the impact value shouldn’t exceed 30 percent.

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Aggregate Impact Value Scope.

Aggregate Impact Value Scope. The aggregate impact value gives a relative measure of the 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. This test provides

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Aggregate impact and SlideShare

Feb 08, 2012· Aggregate impact and ... The mean of the two test results is reported as the aggregate abrasion The aggregate abrasion test given above is rapid and easy to perform, except for the preparation of testspecimen, which is difficult and time consuming. This test is however carried out commonly in a few other countries.

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METHOD B1 THE DETERMINATION OF THE AGGREGATE …

THE DETERMINATION OF THE AGGREGATE CRUSHING VALUE 1 SCOPE The ACV of an aggregate as defined hereunder is determined by crushing a prepared confined aggregate sample under a specified, gradually applied compressive load and determining the percentage of the material crushed finer than a specified size. Definition

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Aggregate Impact Value Testing | AIV TEST | Civil ...

Jul 14, 2018· Aggregate Impact Value Test. 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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Aggregate Crushing Value | seperti layang layang

Feb 03, 2012· Discussion . a) Sample can expel ... So we can conclude that the aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. The aggregate are mild tough to have the resistance pressure under traffic wheel loads such as car, lorry, motorcycle and etc. ...

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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 – , 10mm and , 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.

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aggregate impact value discussion lad report

recommendation for aggregate impact value lab report. Reference Standards IS . Check price. aggregate crushing experiment values to determine the crushing value of road Experiment to Determine the aggregate impact value of different coarse aggregate and AIV's above 35 . ... lab report for aggregate impact value

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Aggregate Impact Test » Engineering Basic

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 to a standard amount of impact.

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DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.

Dec 15, 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 10.

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aggregate impact value test report discussion

discussion for aggregate crushing value test. Aggregate impact and crushing test SlideShare. 8 Feb 2012, Impact, 10% Fines Crushing Tests NANYANG TECHNOLOGICAL UNIVERSITY, PROCEDURE Aggregate Impact Value (SS 1974)1, DISCUSSION(a) Report the geological description of the aggregate, the source.

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AGGREGATE IMPACT VALUE TEST10+ IMPORTANT NOTES TO ...

Jul 16, 2014· Aggregate impact value test gives an indication of aggregate’s toughness property ( property of a material to resist impact) Aggregate impact values are used to 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 […]

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aggregate impact value discussion lad report

aggregate impact value discussion lad report. ONLINE CIVIL ENGINEERING: AGGREGATE IMPACT VALUE TEST. aggregate impact value test With Respect to concrete aggregates,toughness is usually considered the resistance of the material to failure by attempts to develop a method of test for aggregates impact value have been most ...

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Civil At Work: To Determine Aggregate Impact Value

To Determine Aggregate Impact Value Theory: Aggregate impact value is measured of toughness of aggregate . Toughness is the property of material which indicate its capacity which impact in sudden. Tougher the aggregate more suitable for wearing surface such as road surface. Lower the impact value stronger the aggregate, again the impact these ...

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AGGREGATE IMPACT TEST by Nurul Afiqah on Prezi

Result Introduction measure of degradation of mineral aggregates of standard grading resulting from a combination of action including abrasion and grinding in a rotation steel drum containing a specific number of steel spheres. give a measure of aggregate hardness, as specified

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aggregate impact value discussion

Aggregate Impact Test Scribd. Nov 3, 2009 ... The aggregate impact value indicates a relative measure of the resistance of ... Discussion Chief advantage of aggregate impact test is that test... More details » Get Price

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Impact value of an aggregate test gives ‘an idea’ of toughness of the aggregate to resist fracture under the impact of moving load and BS 812 recommended that the AIV should be less than 30. Figure 5 shows the aggregate impact value for PJW, SA8, SA14, KEP and KLG only showed slight increment of AIV and ranges between 17 to 26 percent ...

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Aggregate Crushing Value (ACV) Civil Engineering Laboratory

Aggregate Crushing Value (ACV) 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 slowly applied compressive load. With aggregate of aggregate impact value higher than 30 the result may be anomalous.

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Aggregate crushing value of aggregates with cement ...

An aggregate specimen is compacted into a steel cylinder fitted with a nofriction plunger. The specimen is then loaded via the plunger. The load crushes the aggregate to an extent depending on the crushing resistance of the material. It is measured by a sieving test on the crushed specimen and it is a measure of the aggregate crushing value (ACV).

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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

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Exp 4 Aggregate Impact Value Civil Engineers PK

Experiment No. 4: Determination of the aggregate impact value of different coarse aggregate samples. (BS 812) Scope significance: Aggregate Impact Value The aggregate impact value gives a relative measure of the toughness or the resistance of aggregate sudden shock or impact is not proportional to the resistance to a slowly applied compressive load.

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Aggregate Impact Value (AIV) Test for Aggregates ...

Jun 22, 2014· 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

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Civil Engineering Notes: Aggregate Impact Value Test

Sep 04, 2013· In this test we will find out the percentage of the weight of the aggregate sample which gets crushed with respect to the total weight of the sample. This percentage is known as the aggregate impact value and more the aggregate impact value less is …

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Aggregate Impact Test | Construction Aggregate | Asphalt

Application of Aggregate Impact Value. The aggregate impact test is considered to be an important test to assess the suitability of aggregates as regards the toughness for use in pavement construction. It has been found that for majority of aggregates, the aggregate crushing and aggregate impact values are numerically similar within close limits.

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Aggregate Impact Value Test Discussion

Aggregate Impact Value Test Discussion. Toughness is the property of a material to resist impact due to movement of vehicles on the road the aggregates are subjected to impact resulting in their breaking down into smaller pieces the aggregates should therefore have sufficient toughness to …

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Determination of aggregate impact value discussion and ...

Aggregate Crushing Value Discussion Manufacturer O. Aggregate crushing value discussion ellulnl aggregate crushing value test report discussion aggregate crushing value test report discussion is one of our 38 00 per test 13 15 Aggregate impact value AGGREGATE IMPACT TEST by Nurul Afiqah on Prezi Discussion In this test we knew the percentage or wear for the aggregate used in the test …

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