Table4. Additional Seismic Action Coefficient δn
Reinforced Multistory Concrete Building |
Multistory Inner-framed Brick Building |
Other Building |
||
Tg (sec) |
T1 >1.4Tg |
T1 ≤ 1.4Tg |
0.2 |
No need to consider |
≤ 0.35 |
0.08T1 + 0.07 |
No need to consider |
||
<0.35-0.55 |
0.08T1 + 0.01 |
|||
≥ 0.55 |
0.08T1 - 0.02 |
Note: T1 is the fundamental period of the structure