5.8-4 The cantilever beam shown in Figure P5.8-4 is a W16 x 45 of A992 steel. There is no lateral support other than at the fixed end. Use an unbraced length equal to the span length and determine whether the beam is ad- equate. The uniform load is a service dead load that includes the beam weight, and the concentrated load is a service live load. a. Use LRFD. b. Use ASD. 85 k +1 10' FIGURE P5.8-4 WD = 100 lb/ft T