Types Of Concrete And Their Strengths - . C40 concrete is a strong commercial grade concrete mix most commonly used in the construction of structural and support beams, footings and foundations, roadworks, and in agricultural use. Ideal for: Foundations for septic tanks, paving HGV parks and agricultural yards. Strength: 40 Newton/28 day strength. What does M stand for in a mix design? - . What does M stand for in a mix design? ... IS 456-2000 has designated the concrete mixes into a number of grades as M10, M15, M20, M25, M30, ... What is the concrete mixing ratio in m25 . M 60 grade of concrete mixed ... Is 456 : table no-5 Details of M20,25 etc ... for above mix ratio you have to do mix design with knowing all material ...    Read More

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