International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 425
han they are wide, but frequently theyare of square timber and as large as bearing piles, and arethen called close piles. To make sheet piles drive close together at foot, the pointsare sharpened as shown at/in Fig. 481. Any lateral move-ment is prevented by the wales o, o. To keep the edges at top…
Railroad engineering
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
