A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 379
epends theentire strength of the joint. 1()2. In proportioning these scarf and lap joints, in oak,ash, elm, or hard pine, the whole length of the joint shouldbe about six times the depth of the timber, when no boltsor plates arc u.sed, and the permanence of the union of thepieces depends upon the… … 9 CARPENTRY. 49 timber, the joint can be as short as twice the depth of thebeam. With pine and similar soft woods the length of thescarf should be twelve times the depth of the timber whenthere are no bolts to sustain the piece, and when reinforced bybolts, six times the depth; or with bolts and…
Architecture · Building
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