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DIGITAL LIBRARY: CAMX 2023 | ATLANTA, GA | OCTOBER 30-NOVEMBER 2

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Durability Monitoring of Fiber Reinforced Polymer Composite Bridge Deck System – Morgan County Bridge Case Study

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Title: Durability Monitoring of Fiber Reinforced Polymer Composite Bridge Deck System – Morgan County Bridge Case Study

Authors: John F. Unser, Stephen Young, Andrew D. Patchen, Abram Bradley, Dayakar Penumadu

DOI: 10.33599/nasampe/c.23.0076

Abstract: Fiber Reinforced Polymer Composites offer long life in infrastructure due to their corrosion resistance and durability. Unfortunately, there are no 75-year old FRP composite bridges out there to convince everyone the long life. It is the two-year anniversary of the installation of the Fiber Reinforced Polymer (FRP) composite bridge deck a rural community in Morgan County, TN [1]. This paper describes the structural health of the bridge using visual inspection and data from the sensors. Two Structural Health Monitoring (SHM) systems were installed. A continuous monitoring system using discrete wireless sensors (magnetometers, accelerometers, absolute deflection, and temperature) and an associated data collection and communication system. The second system is a distributed fiber optic sensing (DFOS) system, using high definition fiber optic sensors (HD-FOS) and fiber Bragg (FBG) sensors attached to the FRP panel. The wealth of data from the SHM system installed on the bridge provided comparison data from the initial installation to the two- year anniversary. Response of the bridge to static and moving loads from heavy dump truck are included with results from continuous high-density fiber optic data. Using data from the wireless environmental monitoring module to evaluate coupled thermal and mechanical response monitoring of bridges from this project can lead to achieving smart health monitoring bridge systems, on-demand, and at low cost.

References: [1] American Road ∧ Transportations Builder Association “Bridge Report 2023” [2] Smith, John Robert. “Rural Areas Desperately Need a Transportation Overhaul”, T4AMERICABLIG. [Online] October 9, 2019. https://t4america.org/2019/10/09/rural-areas-desperately-need-a-transportation-overhaul-too/. [3] National Academies of Sciences, Engineering, and Medicine 2006. “Field Inspection of In-Service FRP Bridge Decks”. Washington, DC: The National Academies Press. https://doi.org/10.17226/23284. [4] Jeffery s. Volz, Kamel H. Khayat. “Field Implementation of Fiber-Reinforced Polymer (FRP) Bridge Deck Panels”. Norman, OK : University of Oklahoma, 2017. [5] Unser, J, McCay, J, Lewit, S, Pate, H The Benefits of FRP Bridge Decks for Rural Communities, CAMX 2021 10/19/2021 TP21-0000000473 [6] Young, S.; Penumadu, D.; Patchen, A.D.; Laggis, G.; Michaud, J.; Bradley, A.; Davis, R.; Unser, J.; Davis, M. Smart Polymer Composite Deck Monitoring Using Distributed High Definition and Bragg Grating Fiber Optic Sensing. Sensors 2022, 22, 4089. https://doi.org/10.3390/s22114089

Conference: CAMX 2023

Publication Date: 2023/10/30

SKU: TP23-0000000076

Pages: 17

Price: $34.00

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