Civil Engineering Reference
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412
Earthquake Engineering for Structural Design
(a)
(b)
Figure 9.17
Characteristics of soil classes: (a) Type 1, interplate earthquakes
(M >5.5); (b) Type 2, intraplate earthquakes (M <5. 5)
Spectral amplification
Interplate
earthquakes
T(s)
(a)
Figure 9.18
(continues)
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