Experimental Investigation of Nonlinear Cyclic Behavior of Circular Concrete Bridge Piers with Pitting Corrosion
Publication: Journal of Bridge Engineering
Volume 29, Issue 8
Abstract
In this study, three reinforced concrete (RC) columns with and without corrosion and different reinforcement details are tested under lateral cyclic loading. One of these columns is well-confined to represent modern RC bridge piers that are designed according to the current seismic design codes, and the second column has the same detail with corrosion damage. The third column is a lightly confined corroded column to represent aging RC bridge piers that are not designed to the current seismic design codes. The experimental results showed that corrosion significantly impacts the ductility loss more than the strength loss of the tested corroded columns. In addition, although the uncorroded column was designed according to the current seismic design code, severe inelastic buckling in the vertical bars was observed during the cyclic tests.
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Data Availability Statement
All data, models, or codes that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
The authors thank Network Rail for their professional and financial support for this research. Furthermore, the authors acknowledge the support received by the UK Engineering and Physical Sciences Research Council for funding the experimental program under Grant No. EP/R039178/1. The experiments were conducted in the LSTL, which is part of the Collaboratorium for Research on Infrastructure and Cities National Infrastructure Laboratory, based at the University of Southampton. The help of Andrew Morgan, LSTL Technician, in setting-up the experiment is gratefully acknowledged.
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Information & Authors
Information
Published In
Journal of Bridge Engineering
Volume 29 • Issue 8 • August 2024
Copyright
© 2024 American Society of Civil Engineers.
History
Received: May 31, 2023
Accepted: Jan 6, 2024
Published online: May 17, 2024
Published in print: Aug 1, 2024
Discussion open until: Oct 17, 2024
ASCE Technical Topics:
- Bridge engineering
- Bridges
- Bridges (by material)
- Columns
- Concrete
- Concrete bridges
- Concrete columns
- Corrosion
- Deterioration
- Earthquake engineering
- Engineering fundamentals
- Engineering materials (by type)
- Geotechnical engineering
- Hydraulic engineering
- Hydraulic structures
- Materials characterization
- Materials engineering
- Piers
- Ports and harbors
- Reinforced concrete
- Seismic design
- Seismic tests
- Structural engineering
- Structural members
- Structural systems
- Tests (by type)
- Water and water resources
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