Stochastic Seismic Performance Evaluation of Buildings
Sues, Robert Henry
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https://hdl.handle.net/2142/69926
Description
Title
Stochastic Seismic Performance Evaluation of Buildings
Author(s)
Sues, Robert Henry
Issue Date
1983
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
Abstract
A method is presented for determining the probabilities that a structure will sustain various levels of damage or become unsafe due to earthquake loading during its lifetime. Uncertainties in the dynamic analysis associated with both the loading and the prediction of the structural response are considered.
The method is based on a nonlinear random vibration analysis and an analytical technique for evaluating the sensitivity of the response to various structural and load parameters. Recently obtained data are used to formulate the earthquake random process model. The structural modeling is grounded on a shear beam idealization, with equivalent story parameters systematically evaluated in order to reasonably represent actual structural behavior, and an analytical hysteretic degrading model is used to represent the structural restoring force characteristics. A seismic hazard model is used to evaluate the probabilities associated with all significant ground motion intensities, and various damage and safety criteria are examined for the purpose of evaluating the lifetime damage probabilities.
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