Answer / t.balamurugesan

M is the mix..30 is the strength of the concrete cube after 28 days..

Answer / manoj kumar bhola

THE WORD M STANDS FOR MIX AND 30 STANDS FOR COMPRESSIVE STRENTH OF CUBE AT 28 DAYS OF CURING EXPRESSED AS N/MM2.

Answer / mahesh kumar c l

M refers to Mix and the No 30 Refers to the"SPECIFIED 28 Days Cube Strength Of Mix in N/mm2" Cube Size Should be 150*150mm, if it is 100*100 u have to multiply some coefficient.

Answer / g. anantha rao

M refers to 'Mix' and 30 indicates the 28-days
characterstic compressive strength of standard cube as 30
Newton per sq mm.

Answer / vivek kumar singh

this is a type of oncreate  which having crussing streanth 30N/mm2 at 28 days curing  

Answer / shiva

M is the Standard for Mix and M15 or M20 is the Grade of concrete.

Answer / sankardas banerjee

M REPRESENT MIX. AND NUMERICAL 30 REPRESENT COMPRESSIVE STRENGH OF CONCRITE OF PER NN2 AFTER 300KG.

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