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- Title
Behavior of Circular and Square Reinforced Concrete Bridge Columns under Combined Loading Including Torsion.
- Authors
Prakash, S. Suriya; Qian Li; Belarbi, Abdeldjelil
- Abstract
Reinforced concrete (RC) bridge columns can be subjected to lexural, axial, shearing, and torsional loading during earthquake excitations, resulting in complex failure modes. However, in spite of its explicit occurrence during earthquake excitations and significant effect on inal failure modes, the torsional loading effect on the seismic performance of RC columns has not been studied in depth. In particular , understanding interacting behavior of each loading condition should be preceded to satisfy the increased demand for seismic design. In this context, this study aims at improving the knowledge of seismic performance of RC bridge columns under combined loading, including torsion through the experimental study carried out by Missouri University of Science and Technology. The experimental study focused on investigating the effect of different cross-sectional shapes (circle and square), hysteretic torsional and lexural response, damage distribution, and ductility characteristics with respect to various torsion-to-bending moment (T/M) ratios. Finally, interaction diagrams were established based on experimental results.
- Subjects
REINFORCED concrete construction; COMPOSITE-reinforced concrete; EARTHQUAKE resistant design; STRAINS &; stresses (Mechanics); MISSOURI University of Science &; Technology; TORSIONAL load; DUCTILITY
- Publication
ACI Structural Journal, 2012, Vol 109, Issue 3, p317
- ISSN
0889-3241
- Publication type
Article
- DOI
10.14359/51683745