in m45 what does m and 45 refers

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in m45 what does m and 45 refers..

Answer / karmvir

m=concrete Mix
45=45 n/mm2 strength in 28 days

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in m45 what does m and 45 refers..

Answer / mannemahesh

m refers for mix and 45 refers concrete strength in 28 days

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in m45 what does m and 45 refers..

Answer / siba sankar sahu

M for Mix
45 is a compressive strength of Concrete =45 n/mm2 in 28
days

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in m45 what does m and 45 refers..

Answer / neelam saroj

M45
Where, M = Concrete Mix Design
45= Its Compressive Strength in 28 Days

28 days because, its found that concrete gains its maximum
strength at age of 28 Days, how ever as the concrete
continues to gain its strenth with the age.

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