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Title:Campaign Monitoring of Railroad Bridges in High-Speed Rail Shared Corridors using Wireless Smart Sensors
Author(s):Spencer, Billie F., Jr.; Moreu, Fernando; Kim, Robin E.
Subject(s):railroad bridge safety
bridge performance monitoring
wireless sensors
campaign monitoring
dynamic response prediction
high-speed rail shared corridors
Abstract:This report describes research results using wireless smart sensors to develop a cost-effective, practical, and portable structural health monitoring system for railroad bridges in North America. The system is designed for periodic inspection rather than as a permanent installation to enable campaign-style bridge response monitoring under in-service conditions. The system described herein measured bridge responses from a 310 feet long steel truss bridge using wireless sensors and calibrated a finite element (FE) model using the measured data to obtain global and local (at elements level) bridge responses under varied train loads and speeds. Additionally, this project developed a new simple beam model that can predict critical speeds and resonances based on train traffic properties. The results from this pilot project provide a technological foundation to develop campaign monitoring sensor technology as an important tool with which to manage railroad bridge assets.
Issue Date:2015-06
Publisher:Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign.
Series/Report:Newmark Structural Engineering Laboratory Report Series 040
Genre:Technical Report
Sponsor:Financial support for this research was provided in part by the Federal Railroad Administration under Grant No. BAA-2010-1 No. DTFR53-13-C-00047, entitled “Campaign Monitoring of Railroad Bridges in High-Speed Rail Shared Corridors Using Wireless Smart Sensors” (Cameron Stuart, Program Manager).
Rights Information:Copyright held by the authors. All rights reserved.
Date Available in IDEALS:2015-06-18

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