Question 1: Determine the LRFD design D. P. for the axially loaded W12 x 106 column which has the bracing and end support conditions as shown (the column is braced on its weak y axis as shown in the figure). Fy = 50 ksi. Solve: a) Using Trial and error Procedure, i.e. Table 4-22; b) Using LRFD Tables: i.e., Table 4-1. 28 ft x-x axis 10 ft 18 ft y-y axis

Fig: 1