Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Developing Composite Action in Existing Non-Composite Steel Girder Bridges
This paper describes the results of a study investigating methods to strengthen existing non-composite steel bridge girders using post-installed shear connectors. Four non-composite steel-concrete beams representing existing non-composite bridge girders were strengthened using three types of post-installed shear connectors. The full-scale, retrofitted partially composite beams were tested under static loading to evaluate their strength, stiffness, and ductility. One non-composite beam was also tested as a baseline specimen. Results of the study indicate that the addition of a relatively small number of post-installed shear connectors can increase the load-carrying capacity of non-composite girders by more than 50 percent. Based on the results of this study, a design approach based on partial composite action was developed for strengthening existing steel bridge girders by using post-installed shear connectors.
Developing Composite Action in Existing Non-Composite Steel Girder Bridges
This paper describes the results of a study investigating methods to strengthen existing non-composite steel bridge girders using post-installed shear connectors. Four non-composite steel-concrete beams representing existing non-composite bridge girders were strengthened using three types of post-installed shear connectors. The full-scale, retrofitted partially composite beams were tested under static loading to evaluate their strength, stiffness, and ductility. One non-composite beam was also tested as a baseline specimen. Results of the study indicate that the addition of a relatively small number of post-installed shear connectors can increase the load-carrying capacity of non-composite girders by more than 50 percent. Based on the results of this study, a design approach based on partial composite action was developed for strengthening existing steel bridge girders by using post-installed shear connectors.
Developing Composite Action in Existing Non-Composite Steel Girder Bridges
Kwon, Gunup (Autor:in) / Engelhardt, Michael D. (Autor:in) / Klingner, Richard E. (Autor:in)
International Conference on Composite Construction in Steel and Concrete 2008 ; 2008 ; Devil's Thumb Ranch, Tabernash, Colorado, United States
25.02.2011
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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