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why 1.25 factor is to be multiplied to cylindrical strength
of concrete while getting the equvalent cubical strength of
concrete?
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Answer Posted / iamrk1293
due to less height there is an overlapping in end friction in cubes. the end friction effect is up to 0.8*base dimension for each face which gives 0.6*L overlapping
but cylinder have double height than base dimension which will eventually stops from end friction overlapping.
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