Unbalanced Snow Loads
Unbalanced Snow Loads
(OP)
I'm designing a rafter framed residential roof. Rafter span is less than 20'. Based on ASCE 7-05 I have to use I*Pg for unbalanced snow load and it will control. See this thread (http://www.eng-tips.com/viewthread.cfm?qid=308556). The pitch of this roof is 12/12 (that's 45 degrees!) Do I seriously have to use an unfactorred Ground Snow Load to determine rafter size? I haven't found anything telling me otherwise. Am I missing something here?






RE: Unbalanced Snow Loads
RE: Unbalanced Snow Loads
Alternative could just be a prescriptive code span table, of which there are many. How do they get away without that unbalanced loading? Maybe ASCE 7 will add a couple chapters next time to address this properly.
MAP
RE: Unbalanced Snow Loads