20-Storey Building

Concrete Strength Reduction

Concrete Strength % Reduction

Base Shear (CP) % Reduction

3500 psi

12.50%

2.10%

3000 psi

25%

4.78%

2500 psi

37%

7.44%

2000 psi

50%

11.96%

1500 psi

62.50%

17.53%