A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Seismic Performance of a Model Reinforced Concrete Bridge Pier Before and After Retrofit
A series of experimental and analytical studies was performed on a 1/3 scale model pier before and after retrofit. The pre-retrofitted model pier was tested under quasi-static inelastic loading and was governed by flexure at moderate drift levels, but ultimately limited by the cap beam-column joint shear capacity and a subsequent loss of bond strength in improperly anchored column longitudinal reinforcement. A seismic retrofit philosophy - 'capacity analysis and redesign' was introduced and implemented to retrofit the damaged model pier resulting in a seismically strengthened and stiffened structure. Comparison with the experimental and analytical study on the companion prototype pier subassemblage before and after retrofit showed the failure mode to be similar to that of the scaled model. The model pier before and after retrofit was evaluated by the two existing methods advocated by the FHWA Retrofitting Manual for Highway Bridges - that is the Capacity/Demand method and the Equivalent Lateral Strength method.
Seismic Performance of a Model Reinforced Concrete Bridge Pier Before and After Retrofit
A series of experimental and analytical studies was performed on a 1/3 scale model pier before and after retrofit. The pre-retrofitted model pier was tested under quasi-static inelastic loading and was governed by flexure at moderate drift levels, but ultimately limited by the cap beam-column joint shear capacity and a subsequent loss of bond strength in improperly anchored column longitudinal reinforcement. A seismic retrofit philosophy - 'capacity analysis and redesign' was introduced and implemented to retrofit the damaged model pier resulting in a seismically strengthened and stiffened structure. Comparison with the experimental and analytical study on the companion prototype pier subassemblage before and after retrofit showed the failure mode to be similar to that of the scaled model. The model pier before and after retrofit was evaluated by the two existing methods advocated by the FHWA Retrofitting Manual for Highway Bridges - that is the Capacity/Demand method and the Equivalent Lateral Strength method.
Seismic Performance of a Model Reinforced Concrete Bridge Pier Before and After Retrofit
J. B. Mander (author) / J. H. Kim (author) / C. A. Ligozio (author)
1996
192 pages
Report
No indication
English
Highway Engineering , Structural Analyses , Reinforced concrete , Bridge piers , Highway bridges , Failure analysis , Dynamic structural analysis , Lateral pressure , Ductility , Elastic analysis , Seismic effects , Damage assessment , Ground motion , Beams(Structural) , Joints(Junctions) , Columns(Supports) , Seismic design , Retrofitting , Earthquake resistance , Earthquake engineering
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