The maximum spacing between two parallel main reinforcing bars shall be 3d or 300mm or whichever is less, and
The maximum spacing between two secondary parallel bars shall be 5d or 450 mm or whichever is less.
Civil Engineering Knowledge
The maximum spacing between two parallel main reinforcing bars shall be 3d or 300mm or whichever is less, and
The maximum spacing between two secondary parallel bars shall be 5d or 450 mm or whichever is less.
Good and Imagination Civil Engineers