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Seismic Performance of a Bridge Supported by C-Bent Columns
This article presents an experimental and analytical study on the seismic performance of a bridge supported by C-bent columns. C-bent columns have a unique failure mechanism due to the eccentric moment. The failure mechanism and nonlinear hysteretic behavior of C-bent columns are first clarified based on a series of loading experiments for fourteen models with the eccentric moment ratio raging from 0.33-0.50. An empirical bilinear stiffness degrading hysteretic model is developed for the torsion vs. rotation hysteresis. The seismic performance of a bridge supported by C-bent columns is analyzed based on a nonlinear dynamic response analysis. Effectiveness of three seismic retrofit measures for C-bent columns is clarified based on a series of loading experiments.
Seismic Performance of a Bridge Supported by C-Bent Columns
This article presents an experimental and analytical study on the seismic performance of a bridge supported by C-bent columns. C-bent columns have a unique failure mechanism due to the eccentric moment. The failure mechanism and nonlinear hysteretic behavior of C-bent columns are first clarified based on a series of loading experiments for fourteen models with the eccentric moment ratio raging from 0.33-0.50. An empirical bilinear stiffness degrading hysteretic model is developed for the torsion vs. rotation hysteresis. The seismic performance of a bridge supported by C-bent columns is analyzed based on a nonlinear dynamic response analysis. Effectiveness of three seismic retrofit measures for C-bent columns is clarified based on a series of loading experiments.
Seismic Performance of a Bridge Supported by C-Bent Columns
Kawashima, Kazuhiko (author) / Nagata, Seiji (author) / Watanabe, Gakuho (author)
Journal of Earthquake Engineering ; 14 ; 1172-1220
2010-10-05
49 pages
Article (Journal)
Electronic Resource
English
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