I am using RAM Advanse for analysis and then transferring the forces to the CFS software to compare results. The results seem to be significantly different with differences up to 10% for the code check. Is there a way to figure out the values RAM automatically calculates for the Cb and Cm...
The hat section is holding the fabric covering, but it will have to withstand snow and wind loads that will be applied to the fabric and then distributed to the rafters.
Actually the hat section will be used for a curved rafter section with purlins spaced about 4' apart along the length of the member.
This also brings up the unbraced factors Lx,Ly, and Lt. If the purlins are 4' apart, are the unbraced lengths all equal to 4'? The roof covering will be a...
What programs or references are recommended?
Curious if a hat section about 4" deep is stronger in bending with the top fibers in tension or compression?
