Design Considerations for Earthquake Forces - Simplified Design of Reinforced Concrete Buildings - page 280

2.5

Soil E

2

Soil D

1.5

Soil C

Soil B

1

Soil A

0.5

0.25 0.5 0.75 1 1.25

Response Accelaration for Short Period S s

Figure 11-4 Site Coefficient F a

3.5

3

2.5

2

1.5

1

0.5

0.1 0.2 0.3 0.4 0.5

Response Accelaration at 1 sec Period S 1

Figure 11-5 Site Coefficient F v