Ratio-of-sand-stone-and-cement-in-flyover-bridges.

What is the ratio used in the construction of flyover bridges?

The ratio of sand, stone, and cement used in the construction of flyover bridges is usually M:35 for pile, M30 for pile cap, and pier. So, the main rule is that the compressive strength of the mixture after 28 days should not be less than 53MPa.