For testing compressive strength of cement the size of cube used

150 mm is the ideal size for cube making It is big enough to take coarse grains of 20 mm size and small enough to be handled easily If the

formula for cube testing: ex: m20 size of cube surface area is 15*15 =22510= for m20 7 days 20 * * 67% = kn 28 days 20 * = 450 kn

mine cartoon cube world The combination of cube sizes and nominal strengths used in the comparative cube test is necessary to provide an effective test of performance Complimce

cube testing report size concrete cubes tested at 28 days Why do we test at 7, 14 & 28 days? Concrete is a macro content with Sand, Cement, & Coarse aggregate as its micro