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Articles by Ahmad Rahmzadeh
Effect of Influential Parameters on Lateral Cyclic Response of Posttensioned Base Rocking Steel Bridge Piers
Data Availability Statement Some or all the data presented in this study can be made available by the corresponding author upon reasonable request.
Feasibility of using superelastic shape memory alloy in plastic hinge regions of steel bridge columns for seismic applications
1 INTRODUCTION Driven by the significant economic and social impacts of seismic events on communities worldwide, the growing need for seismic resilient structures has become a focal point in the field of structural engineering. The devastation caused by major earthquakes has not only exposed the vulnerability of conventional construction practices but also emphasized the immense challenges related to structural collapses, damages, and the extensive efforts required for restoration.
Finite-Element Simulation of the Lateral Response of Posttensioned Base Rocking Steel Bridge Piers
Abstract This paper presents the results of a finite-element (FE) study on posttensioned (PT) rocking steel bridge piers, each composed of a circular tubular column, welded end plates, PT strands, and axially yielding steel energy dissipators (EDs), and corresponding chairs. The pier is configured so that it rocks at its base. Previously conducted experiments on five scaled rocking steel columns are summarized.
Experimental Investigations on the Lateral Cyclic Response of Post-Tensioned Rocking Steel Bridge Piers
Downloaded 150 times Technical Papers Abstract This paper presents the results of a series of unidirectional quasi-static cyclic tests on 1/3-scale post-tensioned rocking steel bridge column specimens designed to rock at the interface with the foundation. The objective was to examine the effects of column diameter-to-thickness ratio, base plate, and energy dissipaters and their locations on the lateral cyclic behavior of the system.
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