Kunnath, S.
, El-Bahy, A.
, Taylor, A.
and Stone, W.
(1997),
Cumulative Seismic Damage of Reinforced Concrete Bridge Piers, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.IR.6075
(Accessed March 14, 2025)
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Cumulative Seismic Damage of Reinforced Concrete Bridge Piers
Published
Author(s)
, A El-Bahy, ,
Abstract
A comprehensive experimental study was undertaken in this research effort to investigate cumulative damage in reinforced concrete circular bridge piers. Twelve identical quarter-scale bridge columns, designed and fabricated in accordance with current AASHTO specifications, were tested in two phases. Phase 1 testing consisted of benchmark tests to establish the monotonic force-deformation envelope, the energy capacity under standard cyclic loads, and constant amplitude tests to determine the low-cycle fatigue characteristics of the bridge column. Phase 2 testing was composed of a series of analytically predicted displacement amplitudes representing the bridge response to earthquakes. The results of Phase 1 testing provided information on the fatigue behavior of reinforced concrete and Phase 2 provided data on the effects of load path on cumulative damage.Citation
NIST Interagency/Internal Report (NISTIR) - 6075
Report Number
6075
NIST Pub Series
Pub Type
NIST Pubs
Download Paper
Keywords
piers, bridges (structures), reinforced concretes, damage, columns, cyclic load, ductility, energy capacity, experimental testing, low cycle fatigue, seismic damage
Citation
Issues
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Created October 1, 1997, Updated November 10, 2018