I want to know about concrete mix design of m 15, 20, 25, 30, 35, 40

[Kkmmmm]

Please help me quickly.

 

[Dnyan Deshmukh]

Keep watching this thread to get in depth knowledge.
https://civil4m.com/threads/become-concrete-master-learn-everything-with-me.319/

For sample mix calculations refer below thread

https://civil4m.com/threads/concrete-design-mix-calculations.290/