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The Stochastic Finite Element Analysis and Reliability Analysis of the Cable Stayed Bridge Subjected to Earthquake Load  

Shin, Jae-Chul (충남대학교 토목공학과)
Han, Sung-Ho (충남대학교 토목공학과)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.18, no.1, 2005 , pp. 29-42 More about this Journal
Abstract
Considering the effect by uncertainty in the structures, it is reasonable that the safety examination has to be performed by using method of reliability evaluation. Therefore, in this study, program is developed which can perform the reliability analysis or the dynamic response analysis more efficiently by formularizing the stochastic finite element analysis suitable for the existing reliability analysis about the cable stayed bridge suffering the seismic loads. Based on this program, the characteristic of dynamic responses is analyzed quantitatively by examining the average, the standard deviation and the coefficient of variance about the displacement, the resistance and the tension of cable according to the random variables. and the safety of cable stayed bridge is evaluated by examining of reliability index and failure probability
Keywords
SFEM(stochastic finite element method); random variables; reliability analysis; reliability index; failure probability;
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