Simplified Design for Columns - Simplified Design of Reinforced Concrete Buildings - page 152

7

6.5

f c = 12 ksi ʹ

6

11 ksi

5.5

10 ksi

5

9 ksi

8 ksi

4.5

7 ksi

4

6 ksi

3.5

5 ksi

3

4 ksi

2.5

2

1 2 3 4 5 6

ρ = A st /A g

Figure 5-3 Design Chart for Nonslender, Tied Columns