a a -t A hollow box beam has cross section shown above (a = 100 mm). If the largest internal bending moment present insi
Posted: Mon Jul 11, 2022 10:11 am
a a -t A hollow box beam has cross section shown above (a = 100 mm). If the largest internal bending moment present inside the beam is M = 20 kN-m, determine the smallest allowable thickness, t, of the cross section before yielding occurs in the ASTM A-36 structural steel beam (o 250 MPa).