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Title |
A Study on Wheel Load Distribution Factors of Skew Steel Box Girder Bridges
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Keywords |
윤하중분배계수 ; 강상자형 사교 ; 도로교 설계기준 ; AASHTO ; AASHTO LRFD ; 유한요소해석 ; 다중회귀분석 ; Wheel load distribution factor ; Skew steel box girder bridge ; AASHTO ; AASHTO LRFD ; Finite element analysis ; Multilple regression |
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Abstract |
Firstly the problems of existing foreign code concerning wheel load distribution factor for skew box girder bridges have been examined, and the main parameters which have effects on wheel load distribution factors are evaluated in this study. Further finite element analyses on various skew steel box girder bridges are carried out. Based on the analysis results, formulas to determine wheel load distribution factors are proposed using multiple regression analysis. It is found when using the proposed formulas in this study weak points of existing specifications could be improved and also time spent at structural analysis should be saved a lot, so that the validity and practicality could be verified.
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