"Intrados" Quotes from Famous Books
 ... on section was not continuous. Part of joint on radial line, part sloping slightly toward outside of arch. DETAILS OF WATER-PROOFING One layer of felt with 4" overlap to be nailed to lagging of inch boards, using tin washers on nails over the whole of the intrados of the arch before starting any concrete or placing any of the permanent felt and pitch water-proofing. The water-proofing over the arch can be laid in mats of three thicknesses of felt properly ...
— Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 - The Bergen Hill Tunnels. Paper No. 1154 • F. Lavis |
