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http://dx.doi.org/10.12652/Ksce.2012.32.6A.327

Effects of Geometric Characteristics on the Ultimate Behavior of Steel Cable-stayed Bridges  

Kim, Seungjun (Texas A&M Univ. Texas Transportation Institute.고려대학교 건축사회환경공학과)
Shin, Do Hyoung (인하대학교 사회기반시스템공학부)
Choi, Byung Ho (국립한밭대학교 건설환경공학과)
Kang, Young Jong (고려대학교 건축사회환경공학과)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.32, no.6A, 2012 , pp. 327-336 More about this Journal
Abstract
This study presents the effects of various geometric properties on the ultimate behavior of steel cable-stayed bridges. In general, cable-stayed bridges are well known as a very efficient structural system, because of those geometric characteristics, but at the same time, the structure also shows complex structural behavior including various nonlinearities which significantly affect to the ultimate behavior of the structure. In this study, the effects of various geometric properties of main members on the ultimate behavior under specific live load cases, which had been studied in previous studies, were investigated using a rational analytical method. In this parametric study, sectional dimensions of main members were considered as main geometric parameters. For the rational ultimate analysis under specific live load cases, the 2-step analysis method, which contains initial shape analysis and live load analysis, was used. As the analysis model, 920.0 m long steel cable-stayed bridges were used and two different types of cable arrangement were considered to study the effect of the cable arrangement types. Through this study, the effects of various geometric properties on the characteristics of the ultimate behavior of steel cable-stayed bridges were intensively investigated.
Keywords
steel cable-stayed bridge; nonlinear analysis; equivalent truss element; beam-column effect; ultimate behavior;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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