blackboard.sc.edu 10 of 10 *1-32. Determine the largest intensity w of the uniform loading that can be applied to the frame without causing either the average normal stress or the average shear stress at section b-b to exceed or 15 MPa and 7-16 MPa, respectively. Member CB has a square cross section of 30 mm on each side. SOLUTION Support Reactions: FBD(a) 4 m Fac(3)-3w(1.5)-0 Fac-1.875w 3 m