A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Behavior of Concrete Slab and Girder Bridges
Detailed results of a research program to study the behavior of 40 ft. simple span pan-formed concrete slab and girder bridges are presented. The investigation was carried out using approximately 1/6-scale direct models of the bridges (including substructure); these model tests were supplemented by full-size field testing as well as analytical procedures. Four accurate models were tested at service loads, moderate overloads, and ultimate load levels in order to fully document the behavior of the structures for the full range of load conditions. Patterns of load distribution were obtained using both strain gages and deflection measurements. The main variables in the investigation were angle of skew, load level, and grade and quantity of reinforcement. Comparisons are made with the service load AASHO load distribution factors for design of slab and stringer bridges, and with distribution factors computed from an orthotropic plate solution using a discrete element mathematical model. Design recommendations are made for computation of ultimate load capacity. (Author)
Behavior of Concrete Slab and Girder Bridges
Detailed results of a research program to study the behavior of 40 ft. simple span pan-formed concrete slab and girder bridges are presented. The investigation was carried out using approximately 1/6-scale direct models of the bridges (including substructure); these model tests were supplemented by full-size field testing as well as analytical procedures. Four accurate models were tested at service loads, moderate overloads, and ultimate load levels in order to fully document the behavior of the structures for the full range of load conditions. Patterns of load distribution were obtained using both strain gages and deflection measurements. The main variables in the investigation were angle of skew, load level, and grade and quantity of reinforcement. Comparisons are made with the service load AASHO load distribution factors for design of slab and stringer bridges, and with distribution factors computed from an orthotropic plate solution using a discrete element mathematical model. Design recommendations are made for computation of ultimate load capacity. (Author)
Behavior of Concrete Slab and Girder Bridges
E. V. Leyendecker (author) / J. E. Breen (author)
1969
228 pages
Report
No indication
English
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