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Aggregate Impact Values, (AIV's), below 10 are regarded as strong, and AIV's above 35 would normally be regarded as too weak for use in road surfaces. Aggregate Impact Values and Aggregate Crushing Values are often numerically very similar, and indicate similar aggregate strength properties. Aggregate Impact Value; Test Specifications:

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Aggregate impact and crushing test - SlideShare 8 Feb 2012 ... These crushing tests can reveal aggregate properties subject to ... per cent of the Aggregate Crushing Value and itcan be used for the same purpose. ... DISCUSSION(a) Report the geological description of the aggregate, the ...

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Feb 25, 2012· The strength of coarse aggregates is assessed by aggregates crushing test. The crushing value provides a relative measure of resistance to crushing under a gradually applied compressive load. To achieve a high quality of pavement, aggregate possessing low aggregate crushing value should be preferred.

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BS 812 part 110 describes a method to determine the aggregate crushing value (ACV) which gives a relative measure of the crushing resistance of aggregate under an increasing compressive load.The method is applicable to aggregates passing a 14.0 mm test sieve and retained on a 10.0 mm test sieve.

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AGGREGATE IMPACT TEST, TEN PERCENT FINES TEST AND AGGREGATE … DISCUSSION (a) Report the geological description of the aggregate, … Determination of aggregate impact value, aggregate crushing value and ten percent fines value. Click & Chat Now

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aggregate crushing value (ACV), aggregate impact value (AIV) and 10 percent ﬁnes ag- gregate crushing test (10 % FACT)) with quantitative analysis (mineral grain size and mineral grain size distribution), it is possible to determine the mineral grain size corre-

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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.

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Apr 10, 2012· The strength of coarse aggregates is assessed by aggregate crushing test. The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied compressive load. Lesser the aggregate crushing value stronger is …

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aggregate impact value lab report -cha. aggregate impact value test report-conclusion aggregate crushg value test report discussion, Aggregate Crushg Value - Civil Engeerg AGGREGATE CRUSHING VALUE This test helps to determe the aggregate crushg value of coarse aggregates as per IS: 2386 (Part IV) – 1963.

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The crushing value gives value of hardness of aggregate when subjected to 400 kN load in accordance to BS 812: Part 3. In this test, RAP aggregate was compacted and subjected to crushing action to a degree that is dependent on the crushing resistance of the material.

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The aggregate crushing value (ACV) test is Differences Between Aggregate Crushing Value And Aggregate Impact Value Scribd; ppt on stone aggregate and tests, Mining & Quarry Plant aggregate crushing value test discussion. Aggregate Crushing Value Test – Department of Civil Briefly explain the aggregate crushing value test procedure.

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Procedure to determine Aggregate Impact Value i) The cup of the impact testing machine should be fixed firmly in position on the base of the machine and the whole of the test sample placed in it and compacted by 25 strokes of the tamping rod.

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concrete mix. 2.1.3 Aggregate Crushing Value and Aggregate Impact Value (ACV and AIV) ... For aggregate impact value test, the sample of the aggregate is placed in a cylindrical container where a standard hammer .... Conclusion. From the... More details » Get Price

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The aggregate crushing value (ACV) of an aggregate is the mass of material, expressed as a percentage of the test sample. which is crushed finer than a 2,36 mm sieve when a sample of aggregate passing the 13,2 mm and retained on the 9,50 mm

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Impact, 10% Fines & Crushing TestsFigure 2. Apparatus for the 10% fines test and aggregate crushing test (Millard, 1993) 2. The material used for both tests is aggregate passing a 12.70 mm sieve and retained on a 9.52 mm sieve.

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May 08, 2013· Aggregate Crushing Value Test Appratus; Preparation of sample. Test sample consist of aggregate passing a 12.5mm 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 4 hours.

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Importance Of Aggregate Crushing Value Test. May 27, 2014 aggregate crushing value test discussion - Crusher South Africa. aggregate impact value wikipedia discussion the …

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The 10 per cent Fines Aggregate Crushing Value is the force in kN required to crush a sample of -13,2+9,5mm aggregate so that 10 per cent of the total test sample will pass a 2, 36 mm sieve.

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strength of coarse aggregate is assessed by crushing test. The aggregate crushing value provides a relative measure of resistance to crushing under a gradually applied compressive load. To achieve a high quality of pavement, aggregate possessing low aggregate crushing value should be preferred.

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DETERMINATION OF AGGREGATE CRUSHING VALUE. AIM This method of test covers the procedure for determining the aggregate crushing value of coarse aggregate. THEORY The aggregate crushing value gives a relative measure of the resistance of aggregate in bulk to crushing under a gradually applied compressive load.

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The aggregate crushing value (ACV) provides relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Two versions available: 150 …

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These crushing tests can reveal aggregate properties subject to 100 = 15.82% DISCUSSION a) Give the good value for the AIV test in highway In this experiment that we have carried out, our aggregate impact is determined by performing the Aggregates Impact Test on a sample of the aggregates.

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