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Dynamic and Static Behavior of Hollow-Core FRP-Concrete-Steel and Reinforced Concrete Bridge Columns under Vehicle Collision

Civil Engineering Department, University of Sherbrooke, Sherbrooke, QC J1K 2R1, Canada
Department of Civil, Architectural, and Environmental Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA
Author to whom correspondence should be addressed.
Academic Editors: Alper Ilki and Masoud Motavalli
Polymers 2016, 8(12), 432;
Received: 3 November 2016 / Revised: 1 December 2016 / Accepted: 7 December 2016 / Published: 13 December 2016
(This article belongs to the Special Issue Selected Papers from “SMAR 2015”)
PDF [4267 KB, uploaded 13 December 2016]


This paper presents the difference in behavior between hollow-core fiber reinforced polymer-concrete-steel (HC-FCS) columns and conventional reinforced concrete (RC) columns under vehicle collision in terms of dynamic and static forces. The HC-FCS column consisted of an outer FRP tube, an inner steel tube, and a concrete shell sandwiched between the two tubes. The steel tube was hollow inside and embedded into the concrete footing with a length of 1.5 times the tube diameter while the FRP tube stopped at the top of footing. The RC column had a solid cross-section. The study was conducted through extensive finite element impact analyses using LS-DYNA software. Nine parameters were studied including the concrete material model, unconfined concrete compressive strength, material strain rate, column height-to-diameter ratio, column diameter, column top boundary condition, axial load level, vehicle velocity, and vehicle mass. Generally, the HC-FCS columns had lower dynamic forces and higher static forces than the RC columns when changing the values of the different parameters. During vehicle collision with either the RC or the HC-FCS columns, the imposed dynamic forces and their equivalent static forces were affected mainly by the vehicle velocity and vehicle mass. View Full-Text
Keywords: HC-FCS column; RC column; composite column; impact loading; LS-DYNA HC-FCS column; RC column; composite column; impact loading; LS-DYNA

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Abdelkarim, O.I.; ElGawady, M.A. Dynamic and Static Behavior of Hollow-Core FRP-Concrete-Steel and Reinforced Concrete Bridge Columns under Vehicle Collision. Polymers 2016, 8, 432.

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