Appli ion The aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Supplied complete with cylinder plunger, base plate, tamping rod, and measure..
It is recommended that the crushing value of aggregate should be less than 30%. If it is more than 30 % then 10% finer aggregate is suggested to use. The aggregate whose crushing value is less than 30% can be used for cement concrete road. The aggregate whose crushing value is less than 40% can be used for wearing surface.
Aggregate crushing value = B/A x 100%.
The value of maximum pressure in the crushing test of coarse aggregate should not be a fixed value, 400 kN, for all kinds of asphalt mixtures. According to the results of PFC2D analysis, the contact stress between coarse aggregates in PA-13 mixture is higher than that in AC-13 mixture to reflect the difference of contact stress between coarse aggregates.
The aggregate crushing value is a numerical index of the resistance of an aggregate to crushing under a gradually applied compressive load. It is expressed as the percentage by mass of the crushed or finer material obtained when the test sample is subjected to a specified load under standard conditions.
Grinding Appli ion crushing test of aggregates The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing Read more Aggregate Test - Scribd - Read Unlimited Books
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The aggregate crushing value provides a relative measure of resistance to crushing The strength of coarse aggregates is assessed by aggregates crushing test.
Aggregate crushing value is defined as the percentage by weight of the crushed or finer material obtained when the test aggregates are subjected to a specified load under standardized conditions, and the strength of the aggregate used in road construction is expressed by numerical index.
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