Proportions
Using the right proportions of raw material is essential for obtaining an optimum quality of concrete mix. Although it is advisable to seek professional advice for determining the proportions, this chart can be used as a ready reference:
Use/Application
Proportion on volumetric basis
Cement
Sand
Stone Aggregates
Plain Cement Concrete (PCC)
1
3
6
RCC footing column, beam, slab, etc.
1
1.5
3
Brick Masonry (23 cm and above)
1
6
-
Brick Masonry (Less than 23 cm)
1
3
-
Cement plaster on wall
1
4
-
Cement plaster on ceiling
1
3
-
Ceramic tiles fixing
1
4
-
IPS flooring
1
2
4
Cement concrete for footpath/internal roads in housing societies
1
1.5
3
Note : It is preferable to use fine sand for plastering work and coarse sand for masonry, PCC, RCC & CC Road work.