Cement Concrete 1:2:4:-
Where cement concrete 1:2; 4 ratio is used it means 1 part cement 2 parts of fine aggregate or coarse sand and 4 parts of coarse aggregate. This ratio cement concrete has good strength and is recommended for the following type of buildings and works:-
• Used in footings of columns and raft foundation, used in beams, slabs, columns, stairs and walls of ordinary, single story and temporary buildings and used in retaining walls, pavements, floors and bedplates etc.