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旧 2009-09-06, 10:28 PM   #1
huangyhg
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默认 100 vs 90 wood roof truss web bracing

100% vs 90% wood roof truss web bracing
on gable end prefabricated, light weight, metal plate connected wood roof trusses, some designers require 90% of the web height "l" braced except where it is a scissors requiring 100% (ie, notching the bracing at the top and the bottom chords). why the 100% vice the 90%?
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