(2) A beam of rectangular cross section (width b and height h) supports a uniformly distributed load of intensity q along its entire length L. The allowable stresses in bending and shear are σallow and τallow, respectively.
申論題內容
(2a) If the beam is simply supported, what is the span length Lo below which the
shear stress governs the allowable load and above which the bending stress
governs? (5分)