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Dec 11, 2018 Importance Of Aggregate Crushing Value Test. May 27, 2014 aggregate crushing value test discussion - Crusher South Africa. aggregate impact value wikipedia discussion the importance of experiment . Read more. 3.AGGREGATE CRUSHING VALUE TEST. (IS: 2386—PART —4 aggregates crushing test
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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
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3 aggregate crushing value test report discussion What is the significance of ten percent fines value in This test is very similar to Aggregate Crushing Test in which a standard force 400kN is applied and fines material expressed as a percentage of the original mass is the aggregate crushing value
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with the rock strength. By comparing technical properties (Los Angeles (LA) value , 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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It is important because the constituent aggregate must resist crushing, degradation and disintegration in order to produce a high quality. For this experiment, the LA Abrasion value obtained was 6.54 % and 9. %. based on the JKR Specification, the aggregate for use in bituminous road surfacing is maximum 40%
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7 Lab Test on Aggregates that we Use in Concrete . In order to evaluate the resistance to impact of aggregate the aggregate impact test is conducted Aggregate impact value gives the idea about how much impact load can be resisted by aggregate Thus aggregate should be sufficiently tough to resist their disintegration due to impact This distinctive property is measured by impact value test
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Herein, the size effect of single-particle crushing of recycled brick and concrete recycled macadam under static load and the fractal characteristics of aggregate under impact load are investigated. The mechanical change law of recycled macadam after compaction crushing under static load is analyzed through single-particle load crushing and impact crushing tests with different particle groups
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Aggregate Crushing Value Test Viva Questions. AGGREGATE CRUSHING VALUE This test helps to determine the aggregate crushing value of coarse aggregates as per IS 2386 Part IV 1963. The apparatus used is Cylindrical measure and plunger, Compression testing machine, IS Sieves of sizes 12.5mm, 10mm and 2.36mm
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Theory: The “aggregate crushing value” give a relative measure of the resistance of an aggregate to crushing under gradually applied compressive load. It’s the percentage by weight of the crushed(finer) material obtained when the test aggregates are subjected to a specified load under standardized conditions, and is a numerical index of the strength of the aggregate used in road construction
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Aggregate Crushing Value (ACV) can be determined by using a simple formula: This test is repeated once or twice and the average crushing value of the aggregate is determined. The average crushing value in the different tests is the actual crushing value of aggregate
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