30-Storey Building

Concrete Strength Reduction

Concrete Strength % Reduction

Base Shear (CP) % Reduction

3500 psi

12.50%

2.23%

3000 psi

25%

5.11%

2500 psi

37%

8.61%

2000 psi

50%

13.38%

1500 psi

62.50%

20.02%