The beams, e.g., B1 (typ.), are also cast with fi' = 5,000 psi (normal weight concrete, 150 pcf. B: = 0.8). Use d = n-3"

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The Beams E G B1 Typ Are Also Cast With Fi 5 000 Psi Normal Weight Concrete 150 Pcf B 0 8 Use D N 3 1 (44.47 KiB) Viewed 19 times

The beams, e.g., B1 (typ.), are also cast with fi' = 5,000 psi (normal weight concrete, 150 pcf. B: = 0.8). Use d = n-3", for both positive and negative bending. (a) (10 points) Determine per AC1318 the effective flange width (be or b) of a typical beam, B1, subjected to positive bending. (b) (20 points) Use where applicable a be (or b) of 76-in [i.e., ignore the one calculated in part (a)], compute the minimum flexural reinforcement required (i.e., As min) and its corresponding design bending (M) of B1 for positive bending only. (c) (20 points) Use where applicable a be (or b) of 76-in [i.e., ignore the one calculated in part (a)], compute the maximum flexural reinforcement required (i.e., Asmax) and its corresponding design bending (Mn) of B1 for positive bending only. Use & = 0.005. Bonus credit*: (d) (10 points) If No. 4 U-stirrups at 8" on-center are used for B1, determine the design shear capacity (V.) of the beam.