CHAPTER III 



BEAMS AND STRUCTURES 



Paqe Page 



Stress Calculations for Thin Aluminum Hollow Girders 80 



Sheet Sections 72 Box Sections Subjected to Torsion 85 



Compression Members 72 Chart for Determining Bending Moments. . . 90 



Angles in Compression 75 Deflection of Variously Loaded Beams 91 



Shear Members 75 Stresses in Cantilever Beams 92 



Vertical Stiff eners for Shear Resisting Tensile Strength of Round Wires 93 



Webs 77 Rectangular Moments of Inertia 94 



Diagonal Tension Webs 77 



71 



