huangyhg

lateral diaphragm values of 2x decking?
hello,
i was wondering if anyone had diaphragm values for carrying shear with 2x decking? it would seem this should have been researched by someone at some point.
thank you,
seattlemike

consider reviewing ibc 2306.3.4 and ibc table 2306.3.3
wcd 2 - tongue and groove roof decking
hello boo1,
thank you for taking the time to write the post. i should clarify that i am talking about straight decking, not diagonal decking.
i have read through the awc documents before, but didn't see any lateral shear values? perhaps i am missing something?
seattlemike
you'll find a lot of info on this question in the timber construction manual. typically from what i've seen in decking applications, it isn't so much of a constant diaphragm capacity (like you'd look up for steel deck), but an analysis of weak-axis bending of the decking
diaphragm values are given in the af&pa wind & seismic supplement to the nds.

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