A steel beam (A572 Grade 50) is loaded as shown. Assuming a deflection requirement of \Delta_{\text {total }} = L/240 and a depth restriction of 18 inches nominal, select the most economical section.
F_{b} = 30 ksi; F_{v} = 20 ksi; E = 30 × 10³ ksi
A steel beam (A572 Grade 50) is loaded as shown. Assuming a deflection requirement of \Delta_{\text {total }} = L/240 and a depth restriction of 18 inches nominal, select the most economical section.
F_{b} = 30 ksi; F_{v} = 20 ksi; E = 30 × 10³ ksi