At what distance is it more cost effective to use a truss design for a walkway bridge versus a beam design with moment frames for the tube all cross braced?
I am told 80'.
Parameters: 60' span; 6'x8' walkway; enclosed on 2 sides with storefront; LL:100psf TL:127; exposed roof deck with...
When designing a wood shear wall with gypsum board or wood diaphragms, is there a maximum distance the hold-downs can be from each other? If a shear wall is 20' long versus 100' long, the uplift is more for the 20' than the 100' so longer shear walls give you better leverage to prevent...