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UBC Theses and Dissertations
Lessons learned from dynamic analyses of Mexico City and applied to Richmond B.C. Nichols, Andrew M.
Abstract
The implications of the acceleration data recorded during the September 19, 1985 Mexican earthquake for seismic design in Canada are investigated by determining if the deep deposits of the Fraser Delta could cause large amplification of earthquake motions. The conditions for amplification of low level incoming ground motions at deep sites are identified; in particular, the critical role of variation in shear modulus with shear strain. The current procedure for determining site specific ground motions is evaluated and major sources of uncertainty in the results identified. Criteria for selecting representative input motions for site response studies are recommended based on analyses of Mexico City sites. A comparative study of sites in the Fraser Delta area of British Columbia showed that offshore subduction earthquakes should be considered when developing design spectra for deep sites in the Delta.
Item Metadata
Title |
Lessons learned from dynamic analyses of Mexico City and applied to Richmond B.C.
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Creator | |
Publisher |
University of British Columbia
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Date Issued |
1987
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Description |
The implications of the acceleration data recorded during
the September 19, 1985 Mexican earthquake for seismic design in
Canada are investigated by determining if the deep deposits of
the Fraser Delta could cause large amplification of earthquake
motions. The conditions for amplification of low level incoming
ground motions at deep sites are identified; in particular, the
critical role of variation in shear modulus with shear strain.
The current procedure for determining site specific ground
motions is evaluated and major sources of uncertainty in the
results identified. Criteria for selecting representative input
motions for site response studies are recommended based on
analyses of Mexico City sites. A comparative study of sites in
the Fraser Delta area of British Columbia showed that offshore
subduction earthquakes should be considered when developing
design spectra for deep sites in the Delta.
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Genre | |
Type | |
Language |
eng
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Date Available |
2012-04-16
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Provider |
Vancouver : University of British Columbia Library
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Rights |
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.
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DOI |
10.14288/1.0050906
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URI | |
Degree | |
Program | |
Affiliation | |
Degree Grantor |
University of British Columbia
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Campus | |
Scholarly Level |
Graduate
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Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.