Grades of Concrete

How to know proportions of cement, sand, aggregate in different types of grades like M5, M10, M20, M30?

Questions by kr.madala

Showing Answers 1 - 7 of 7 Answers

kudinesh

  • Feb 10th, 2010
 

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

  • 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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santhosh

  • Nov 3rd, 2014
 

M5: 1:4:8
M10: 1:3:6
M15: 1:2:4
M20: 1:1.5:3
M25: 1:1:2

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Anil kumar

  • Nov 9th, 2014
 

1:2:4

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s.sethu manoharan

  • Nov 29th, 2014
 

M5 :1:5:10
M7.5 :1:4:8
M10 :1:3:6
M15 :1:2:4
M20 :1:1.5:3
M25 :1:1:2

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Balasubrahmanyam gvjb

  • Dec 15th, 2014
 

How is calculate of the cement in kgs in grade of concrete

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Amanat Said

  • Dec 19th, 2014
 

this is simple, we easily calculate it by volume, if we take M10 concrete the ratio of M10 is 1:2:4 , in this proportion 1 is Cement, 2 is fine aggregates and 4 is course aggregates, we calculate it in 1 Cum of concrete easily. first calculate the dry material of 1 Cum concrete and then multiply it with the ratio of material and divided it to 7... 7 is the sum of 1+2+4...

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