The mix design M-40 grade for Pier provided here is for reference purpose only. Actual site conditions vary and thus this should be adjusted as per the location and other factors.
Parameters ...

The mix design for M35 Grade Of Concrete for pile foundations provided here is for reference purpose only. Actual site conditions vary and thus this should be adjusted as per the location ...

M20 Grade Of Concrete – Concrete Mix Design
1. REQUIREMENTS
a) Specified minimum strength = 20 N/Sq mm
b) Durability requirements
i) Exposure Moderate
ii) Minimum Cement Content ...

Concrete Mix Designs as per IS-10262-2009
CONCRETE MIX DESIGN
As per IS 10262-2009 & MORT&H
A-1
Stipulations for Proportioning
1
Grade Designation
M35
2
Type ...

Concrete Mix Designs as per IS-10262-2009
M-30 CONCRETE MIX DESIGN
As per IS 10262-2009 & MORT&H
A-1
Stipulations for Proportioning
1
Grade Designation
...

M-25 Concrete Mix Designs as per IS-10262-2009.
M-25 CONCRETE MIX DESIGN
As per IS 10262-2009 & MORT&H
A-1
Stipulations for Proportioning
1
Grade Designation ...

The concrete mix designs as per IS-10262-2009 which gives to change the procedure for calculating the concrete ingredients
Regards
M-20 CONCRETE MIX DESIGN
As per IS 10262-2009 ...