Redo Problem 15.1 with y 18 kN/m', o' = 40, c' 0, and the center-to-center strut spacing in the plan 4 m. %3D %3D Refer to the braced cut shown in Figure P15.1. Given: y 17 kN/m, o' = 35, and c' = 0. The struts are located at 3 m center-to-center in the plan. - 3.5 m- 1 m Sand y = 17 kN/m3 o'= 35 c' = 0 2 m B 2 m C 1.5 m Figure P15.1