A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Probability Theory for Highway Bridge Fatique Stresses
The report describes an analytical project to calculate histograms of highway bridge loadings which can be used to predict fatigue and to properly size girder sections. A probabilistic load model is developed using truck volume and weight histogram, headway spacing distributions between trucks, impact factors and distribution analysis. A reliability or risk approach to choosing safety factors is also described. The computer data for truck loading and fatigue design comes from a literature study reported in Appendices on fatigue, truck and traffic characteristics and dynamic bridge behavior. The calculated load histograms show good agreement with reported measurements. The methods are illustrated with single span bridges of different length, weld category, and truck records of different states, parallel and opposing flow bridges and three span continuous bridges. (Modified author abstract)
Probability Theory for Highway Bridge Fatique Stresses
The report describes an analytical project to calculate histograms of highway bridge loadings which can be used to predict fatigue and to properly size girder sections. A probabilistic load model is developed using truck volume and weight histogram, headway spacing distributions between trucks, impact factors and distribution analysis. A reliability or risk approach to choosing safety factors is also described. The computer data for truck loading and fatigue design comes from a literature study reported in Appendices on fatigue, truck and traffic characteristics and dynamic bridge behavior. The calculated load histograms show good agreement with reported measurements. The methods are illustrated with single span bridges of different length, weld category, and truck records of different states, parallel and opposing flow bridges and three span continuous bridges. (Modified author abstract)
Probability Theory for Highway Bridge Fatique Stresses
F. Moses (author) / R. C. Garson (author)
1973
260 pages
Report
No indication
English
| NTIS | 1982
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