Answer Happy

For Problems 4.23 design rectangular sections for the beams and loads shown. Beam weights are not included in the given loads. f, = 60,000 psi and f = 4000 psi. Live loads are to be placed where they will cause the most severe conditions at the sections being considered. Select beam size for the largest moment (positive or negative), and then select the steel required for maximum positive and negative moment. Finally, sketch the beam and show approximate bar locations. Problem 4.23 (One ans. 12 in. x 28 in. with 3 #10 bars negative reinforcement and 3 #9 bars positive reinforcement) wp=2 k/ft, wy = 4 k/ft 9 ft 0.18f fy 18 ft Use P