An HE 260B steel wide-flange beam and a segment of a 100-mm thick concrete slab (see figure) jointly resist a positive bending moment of 130 kN .m. The beam and slab are joined by shear connectors...

An HE 260B steel wide-flange beam and a segment of a 100-mm thick concrete slab (see figure) jointly resist a positive bending moment of 130 kN .m. The beam and slab are joined by shear connectors that are welded to the steel beam. (These connectors resist the horizontal shear at the contact surface.) The moduli of elasticity of the steel and the concrete are in the ratio 12 to 1.

Determine the maximum stresses

_s
and

_c
in the steel and concrete, respectively. Note: See Table F-1 of Appendix F for the dimensions and properties of the steel beam.