What is the ratio of Grades M10,M15,M20,M25,M30,M35,M40.
Answer Posted / farhad shaikh
all are depend on the standard water, if we have no standard water we have to change these ratio which my all friend post and given.we can change the ratio of cement by adding some chemical which increase the strenghth of concrete.Dont use more cement because it is not a part of green concept building.
by the way all the answers are write.
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