Location
St. Louis, Missouri
Presentation Date
04 Apr 1995, 1:30 pm -2:30 pm
Abstract
In the majority of the current building codes, the shape of a design spectrum is defined by considering only the local soil conditions. This paper examines the validity of this simplification. In particular, it is shown how effects of "deep soil" or "rock soil" conditions on uniform probability site specific spectra can be simulated by varying the geological site conditions (depth of sediments) and the distance from the fault. On the basis of the results presented in the paper and similar results from earlier papers considering the effects of the choice of the geometry of the model fault and the assumed rupture area, as well as the seismic moment rate, the maximum magnitude, the b-value, and the confidence of the prediction, it is concluded that the shapes of design spectra should not be determined only on the basis of the local soil conditions.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
3rd International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics
Publisher
University of Missouri--Rolla
Document Version
Final Version
Rights
© 1995 University of Missouri--Rolla, All rights reserved.
Creative Commons Licensing
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.
Document Type
Article - Conference proceedings
File Type
text
Language
English
Recommended Citation
Todorovska, M. I., "Uniform Probability Response Spectra for Selecting Site Specific Design Motions" (1995). International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. 2.
https://scholarsmine.mst.edu/icrageesd/03icrageesd/session08/2
Included in
Uniform Probability Response Spectra for Selecting Site Specific Design Motions
St. Louis, Missouri
In the majority of the current building codes, the shape of a design spectrum is defined by considering only the local soil conditions. This paper examines the validity of this simplification. In particular, it is shown how effects of "deep soil" or "rock soil" conditions on uniform probability site specific spectra can be simulated by varying the geological site conditions (depth of sediments) and the distance from the fault. On the basis of the results presented in the paper and similar results from earlier papers considering the effects of the choice of the geometry of the model fault and the assumed rupture area, as well as the seismic moment rate, the maximum magnitude, the b-value, and the confidence of the prediction, it is concluded that the shapes of design spectra should not be determined only on the basis of the local soil conditions.
