${?}_{2000mm}^{200mm}$

PROBLEM $3.$ The $T$ sectioned beam in Figure $1$ will be redesigned into a wide flange $($I$-$section, Appendix B$)$ beam. Select the appropriate wide flange cross section from the tables that can carry the load in Figure $1.$ Flexural allowable stress is ${}_{\text{a}\text{l}\text{l}\text{o}\text{w}}=150$MPa and allowable shear stress is ${}_{\text{a}\text{l}\text{l}\text{o}\text{w}}=70$MPa.