Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 152
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.… … Fig. 505.—Opening of Joint caused by Sagging ofPrincipal Rafter when made as at Fig. 504. is put together, the tie-beam is forced up tothe shoulders of the king-post and held fastby means of a bolt or stirrup strap with gibsand cotters, already shown. The object istwofold. This bending of the…
Carpentry · Joinery
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