loads: P1 = 150 KN; P2 = 145 kN; P3= 125 kN; P4 = 120 kN Members are A36 Square HSS with dimension 100 mm and thickness 8 mm. Connections are with two gusset plates externally welded to two opposite sides of HSS. Weld is 6 mm thick with Fw = 480 MPa. Use Fy = 250 and Fu = 400 MPa for A36 steel. P1 The members of the space truss shown have equal lengths of 1.5 m. It is subject to the following ultimate A P2 P2 B O Calculate the utilization ratio of BD.. Calculate the utilization ratio of BE.. P4 P4 P3 P3 P3