A Treatise on Design and Construction of Roofs

angles apex area Apex Loads axis bending bending moment bolts C. L. weights cantilever ceiling truss channels Chapter compression computed Connection Connection of X cross-section curved Deduct 2 pieces diameter drawn equilibrium polygon excess of arc Fink truss flanges ft.-tons gusset Half Truss heads X 1/6 Hence horizontal sq I-beams inclined sq intensity of pressure intermediate truss latticed leeward legs length in feet Lever arm load line Loads on Half longleaf pine loop ends lower chord maximum intensity maximum stress middle minimum moment of inertia nuts Pivot rafters rivet heads rods roof truss S. S. rivets safe resistance Sheet for Example shortleaf pine side single shear Small 8vo snow stress span splice sq.ft Stress Sheet strut supported tensile stress tension thickness timbers tons per sq upper chord upset ends vertical W-stress wall washer wind loads wind pressure wind stress diagram wooden