assuming light wood gage steel trusses ~24" o.c. if you are in an area with wind loads, providing a slip connection at bearing ends may not be a reasonable for designing walls or bld'g diaphragm connections to roof...
conservative to (i.e.) design truss for both 'pin/pin-slide' and...
AISC Design Guide #3 (DG#3) suggests a 10 year return period wind pressures (~75% less) for checking element
Deflection and building sway/drift. This seems like a effective ‘1/3 allowable deflection’ increase, contrary to overall structural engineering practice.
The ‘AISC Code’ is not...
wood trusses @ 24" o.c. w/ 2X4's (or 2X6) top & bottom chords & diagonals should span these ranges (~30 ft) that you are talking about with no problem. i am assuming ~ 16 psf dead & 16 psf live load. i live in florida & this is standard for the industry. obviously, as usual, the connections are...
