Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 152
hown in Fig. 504 is better than that shownin Fig. 502. The compromise (Fig. 506),in which the angle is bisected, is the best formfor a properly designed roof, there beingan equal abutment of fibres. Bolts andplates or straps affect the shape of the joint.Cambering of Tie-beam.—The term cam-bering,… … Fig. 504.—Usual Form of Joint at Toe ofPrincipal Rafter. straight line joining the ends when thebeam is fully loaded. The following is agood example of the object to be obtainedby cambering : When a king-post truss isbeing prepared, the king-post is made alittle short, to the extent of about \ in.…
Carpentry · Joinery
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