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Grades of Concrete

How to know proportions of cement, sand, aggregate in different types of grades like M5, M10, M20, M30?
Asked by: kr.madala | Member Since Aug-2009 | Asked on: Aug 22nd, 2009

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kudinesh

Answered On : Feb 10th, 2010

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See there is no fixed mix ratio. It depends on property of materials used in the mix. we have to perform a mix design based on standard procedures like ACI method, DoE method, BIS method and so on.

  
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aditya

Answered On : Oct 3rd, 2011

There is a process called sieving of sand. if the proportion of mixture is passed through the 4.75mm i.s. seive,the proportion passed out can be termed as sand the proportion that is retained on the sieve can be termed as gravel. this is valid if the proportion is the mixture of only sand and gravel.

  
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