I am evaluating an early 1800's timber framed church in New England. The roof is framed with timber trusses about 13 feet on center. Trusses are generally in poor shape with conditions throughout the building. The most widespread condition is severe splitting of timber pieces. I'd say 40% of the chords, webs, and columns have a relatively severe split. I have a reference that refers to an article in the Engineering News Record from July of 1944 by "V. Ketchum, et al" entitled "are timber checks and cracks serious?" for guidance on evaluating splits. I cannot track this article down. Does anybody have a copy of it?
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