Why we do design mix of concrete when there is nominal
method using the IS-Code available ?
Answer Posted / er. salim nagori
As per IS 456-2000
The nominal mix proportion is restricted upto M25.
So in order to achieve beyond M25, we follows mix design
calculation i.e: Design Mix
Moreover the design mix can be done for any mix
M5, M10, M15, ....... M60,and so on as per development in
technology.
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