BS
B1
Effective Damping
(percent of critical)1
<2
0.8
0.8
5
1.0
1.0
10
1.3
1.2
20
1.8
1.5
30
2.3
1.7
40
2.7
1.9
>50
3.0
2.0
1
The damping coefficient should be based on linear interpolation for effective damping
values other than those given.
Table 8-2 Damping Coefficients Bs and B1 as a Function of Effective Damping β
8 - 23
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