### what is the compressive strength of m35 at 7 days answers

May 24, 2020 Compressive Strength (f ck) Grade of Concrete (Defined as compressive strength of concrete specimen after 28 days of curing as M25, M30, M35, M40, etc.,) T he term Characteristic strength of concrete is one of the important properties of concrete accepted unanimously by design engineer or any other person involved in the construction ... Jul 09, 2012 The compressive strength of 7 days shall be about 70% of the 28-days compressive strength. If your compressive strength at 28-days is 25 MPa, then the 7-days compressive strength expected to be (0 ...