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- W2187469716 abstract "Old existing reinforced concrete bridge columns that had been designed before the development of new seismic codes are at risk of damage due to lateral loading. For an ideally designed concrete column subjected to lateral load, mode of failure is flexural. However, even if most of the inelastic action is flexural, lack of transverse reinforcement would limit the flexural ductility of columns under lateral loads. Shear failure has been a common mode of failure in RC bridge columns during recent earthquakes. This paper presents investigation of effect of different parameters on load carrying capacity of RC columns subjected to axial and lateral forces. A finite element model was developed using ANSYS and the lateral loaddeflection curves of RC columns were calibrated against existing experimental tests data, conducted by others. Based on shear span to depth ratio, amount of transverse reinforcement and compressive strength of concrete, failure mode of RC column could be flexural, flexuralshear, or shear failure. Impact of other factors such as axial load ratio and reinforcement ratio on performance of RC columns were also studied. The results of this study indicate how load carrying capacity of RC bridge columns influenced by different factors. Knowing the existing strength and ductility of columns, a cost-effective retrofit system could be developed to prevent brittle failure of bridge columns." @default.
- W2187469716 created "2016-06-24" @default.
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- W2187469716 date "2014-01-01" @default.
- W2187469716 modified "2023-09-27" @default.
- W2187469716 title "PERFORMANCE OF RC BRIDGE COLUMNS SUBJECTED TO LATERAL LOADING" @default.
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