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 310
are no bolts. In oak, ash, or elm, the whole length of a scarfdepending on bolts only, should be about threetimes the breadth of the beam; and for fir beamsit should be six times the breadth. When both bolts and indents are combined,the whole length of the scarf for oak and hardwood may be twice… … FIG. 236 would cause them to bend, and the surfaces mcontact would shde against one another, the upperpiece sliding towards each end upon the lower one.This sliding is effectually prevented by indentingthe surfaces, as shown in Fig. 236, when the piecesare bolted together; but if the same indents…
Architecture · Building
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