How do I design an M70 grade concrete and what else i should use to get high strength?

[Quest Bot]

How do I design an M70 grade concrete and what else i should use to get high strength?

 

[Dnyan Deshmukh]

You can use any method you know for doing a concrete mix design on assumptions and previous knowledge till M85 grade concrete.

Below thread might help you to get some examples of M70 mixes.

Concrete Mix Design for M70 grade - A triple blend mix

Concrete mix Design for M70 Grade concrete, a Triple Blend with Fly ash and Micro silica is as follows; OPC Cement 53 Grade – 500 Kg Fly ash – 100 Kg Micro silica – 50 Kg Water Cement ratio (w/c) – 0.24 Free Water – 153 liters 20mm Metal / Aggregates – 511 Kg 10mm Metal / Aggregates – 455...

civil4m.com

Any mix design we do, unless it is tested practically by doing trials of it. the mix design do not have any meaning and it is not considered for using it in production.