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Sep 12 2015nbsp018332The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied crushing load. The test consists of subjecting the specimen of aggregate in standard mould to a compression test under standard load conditions (See Fig1).
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 236 mm sieve when a sample of aggregate passing the 132 mm and retained on the 950 mm sieve is subjected to crushing under a gradually applied compressive load of 400 kN. 2 APPARATUS 2.1 An openended steel cylinder of 150 mm nominal
Calculate Aggregate Crushing Value. The ratio of the weight of fines formed to the total sample weight in each test shall be expressed as a percentage the result being recorded to the first decimal place Aggregate Crushing Value = W B W A 215 100. Where W A is weight of surfacedry sample
Sep 05 2015nbsp018332This paper studied the effect of aggregate properties on the crushing strength of concrete. In order to achieve the study objective three types of coarse aggregates brick khoa shingles stone and black stone were used to test. And the test results show that concrete made from black stone has the highest workability followed by shingles stone brick khoa of aggregates.