standard proportion of concrete for use

Uses of Concrete

1:2:2 - For heavy loaded R.C.C columns and R.C.C arches of long

spans

1:2:2 - For small pre cast members of concrete like fencing poles, telegraph poles etc. watertight construction.

1:2:3 - For water tanks, bridges, sewers etc.

1:2½:3½ - For foot path, concrete roads

1:2:4 - For general work of RCC such as stairs, beams, columns,

slabs, etc

1:4:8 and 1:5:10 For mass concrete for heavy walls, foundation footings

etc.