Generation of non-stationary artificial ground motion

By: Call Number: AIT Thesis no.ST-82-09 Contributor(s): Material type: TextSeries: Asian Institute of Technology. Thesis ; no. ST-82-09Publication details: Bangkok : Asian Institute of Technology, 1982Description: v, 40 pSubject(s): Online resources: Dissertation note: Thesis (M.Eng.)- Asian Institute of Technology, 1982 Summary: For the aseismic design of certain types of structures, earthquake time histories have to be used. Due to a lack of appropriate records for specific sites, methods for generating non-stationary artificial ground motions for a given construction site in terms of magnitude and epicentral distance are very useful. The suggested method is based on the physical spectrum theory and the spectral parameters represent the non-stationary amplitude and frequency characteristics. By assuming a shape of the physical spectrum model and using multivariate statistical analysis, a physical spectrum model is estimated for a given construction site in terms of magnitude and epicentral distance. Subsequently, the non-stationary artificial ground motions with the estimated physical spectrum model can be generated by means of a non-stationary random process. Consequently, non-stationary artificial ground motions with the earthquake properties known previously can be generated for a give construction site in terms of magnitude and epicentral distance.
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22-AIT Thesis (Replacement) Asian Institute of Technology Library AIT Publications AIT Thesis no.ST-82-09 (Browse shelf(Opens below)) 3 Available 30050120688964
40-Archives Asian Institute of Technology Library Archives AIT Thesis no.ST-82-09 (Browse shelf(Opens below)) 1 Available 30050160013495

A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering School of Engineering and Technology

Thesis (M.Eng.)- Asian Institute of Technology, 1982

For the aseismic design of certain types of structures, earthquake time histories have to be used. Due to a lack of appropriate records for specific sites, methods for generating non-stationary artificial ground motions for a given construction site in terms of magnitude and epicentral distance are very useful. The suggested method is based on the physical spectrum theory and the spectral parameters represent the non-stationary amplitude and frequency characteristics. By assuming a shape of the physical spectrum model and using multivariate statistical analysis, a physical spectrum model is estimated for a given construction site in terms of magnitude and epicentral distance. Subsequently, the non-stationary artificial ground motions with the estimated physical spectrum model can be generated by means of a non-stationary random process. Consequently, non-stationary artificial ground motions with the earthquake properties known previously can be generated for a give construction site in terms of magnitude and epicentral distance.

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