Determine the required area of steel, Civil Engineering

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A rectangular concrete beam is subjected to a factored moment (Mu) of 345 kip*ft.  The beam has the following properties:

  • f'c = 5500 psi
  • fy = 60,000 psi
  • h = 39 in
  • d = 36 in
  • b = 18 in

Determine the required area of steel for this case.

A) 8-#5 bars

B) 3-#8 bars

C) 3-#6 bars

D) 11-#4 bars


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