Translations:Arch Rebar Helical/8/en


 * : The distance between rebar to the curved face.
 * : The distance between rebar from the top face of the structure.
 * : The distance between rebar from the bottom face of the structure.
 * : The pitch of a helix is the height of one complete helix turn, measured parallel to the axis of the helix.
 * : Diameter of the rebar.