Los Angeles Abrasion | Pavement InteractiveApr 21, 2011 . The standard L.A. abrasion test subjects a coarse aggregate sample (retained on the No. . to obtain a percentage of the total aggregate weight that has broken . In general, they should be hard and tough enough to resist crushing, . Once the test is complete, the calculated mass of aggregate that has.crushing to aggregate percentage calculation,Flakiness Index, elongation, aggregate crushing value - ScribdCivil Engineering , concrete, water cement ratio, aggregate crushing value . The Flakiness Index is the percentage, by mass, of the particles whose least . The calculation is conducted using the following equation: Elongation Index = [ Nos.
crushing to aggregate percentage calculation