How to use design chart for r for grade 60 reinforcement

Reference no: EM13299833

Select the number and size of reinforcing bars required to resist a total factored moment of 180 ft. kips for a rectangular section with b = 12 in., d = 19.5 in., h = 24 in., f'c = 4 ksi, and fy = 60 ksi.

Check for minimum reinforcement requirement.

Use the three methods covered in class:

1. Solve the quadratic equation in As

2. Use the approximate lever arm (d - a/2) method

3. Use the design chart for R for grade 60 reinforcement

Reference no: EM13299833

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