Seismic Site Response and Extraction of Dynamic Soil Behavior From Downhole Array Measurements
Tsai, Chi-Chin
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https://hdl.handle.net/2142/83350
Description
Title
Seismic Site Response and Extraction of Dynamic Soil Behavior From Downhole Array Measurements
Author(s)
Tsai, Chi-Chin
Issue Date
2007
Doctoral Committee Chair(s)
Hashash, Youssef M.
Department of Study
Civil Engineering
Discipline
Civil Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
The presence of deep unconsolidated deposits in the upper Mississippi Embayment has an important impact on anticipated surface motions. PSHA-NL, probabilistic seismic hazard analysis with nonlinear site effects, can be used to estimate seismic hazard with the effect of deep deposits. This thesis extends the PSHA-NL procedure to incorporate a finite fault model in PSHA without applying artificial caps on computed ground motions, and include randomized soil column properties representing the Mississippi Embayment to evaluate depth dependent site coefficients. Probabilistic seismic hazard maps considering effects of thick soil deposit for Mississippi Embayment are proposed.
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