Table 2:
Parameters in Ec. 3.1.4 of NTCS-17.
Dominant Period of the Soil (s)
λ
ε
τ
T
s
≤
0.5
0.40
0.80
2.5
0.5 <
T
s
≤
1.0
0.45
0.20
1.0
1.0
<T
s
≤
1.5
0.45
0.30
1.0
1.5
<T
s
≤
2.0
0.50
1.20
1.0
2.0
<T
s
≤
2.5
0.50
1.80
1.0
2.5
<T
s
≤
3.0
0.55
3.00
1.0
3.0
<T
s
≤
4.0
0.50
4.00
1.0