M20 grade strength refers to the compressive strength of concrete mix with a characteristic cube strength of 20 N/mm². M20 grade concrete has a compressive strength of 20 N/mm² after 28 days of curing. It is commonly used in residential and commercial construction for foundations, beams, columns, and slabs. The mix proportion for M20 grade concrete is 1:1.5:3, which means 1 part cement, 1.5 parts sand, and 3 parts coarse aggregates by volume. The water-cement ratio for M20 grade concrete is typically around 0.45. The strength of M20 grade concrete can be further enhanced by using additives or admixtures.

UltraTech Cement Interview Questions: M20 grade strength

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M20 grade strength

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M20 grade strength refers to the compressive strength of concrete mix with a characteristic cube strength of 20 N/mm².

M20 grade concrete has a compressive strength of 20 N/mm² after 28 days of curing....read more

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M20 grade strength

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