Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 127
f line by the workmen filling them. All exposedsurfaces should be made with dressed lumber,with all joints neatly fitted. The lumber bestadapted for building the forms is 2x6-tQ. stuffwith 4x4-in. for the stays. The handiest ties are one-half-inch bolts of alength necessary to hold the forms… … Fig. 44. Standard Bridge of 15-Foot Span, Illinois State Highways. under ordinary conditions, wing walls and cul-vert walls can be removed in three days. Slabsof not more than six feet may be removed in fivedays. Longer spans and arches up to forty feet,require not less than ten days of good…
Architecture · Building
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