Article Article
An Integrated Monitor and Warning System for the Jeremiah Morrow Bridge

In this paper, a methodology for integrating a monitor and its warning system with results from both truckload tests and structural analysis is presented for the Jeremiah Morrow Bridge. Wireless data collection system, data cleansing and archiving procedures, linear regression prediction model, and capacity rating based upon truckload test results for the instrumented members are detailed. The truckload test and monitored responses document the “normal” or expected behavior of the structure to traffic and environment, respectively. A warning system is then designed upon a threshold technique which minimizes the probabilities of false alarms and the missed detection of critical events based upon the capacity rating. Past results of the implemented system for the Jeremiah Morrow and other bridges are discussed. Alarm scenarios are reviewed based upon the collected historical data from the monitors and generated warnings.

1. Gul, M. and F.N. Catbas. “Statistical Pattern Recognition using Time Series Modeling for Structural Health Monitoring: Theory and Experimental Verifications,” Mechanical Systems and Signal Processing, Elsevier, Vol. 23, No. 7, pp. 2192-2204. 2009. 2. Okasha, Nader M., Dan M. Frangopol and Andre´ D. Orcesi. “Automated finite element updating using strain data for the lifetime reliability assessment of bridges,” Reliability Engineering and System Safety, Vol 99, pp 139–150. 2012 3. Posenato, D., F. Lanata, D. Inaudi and I.F.C. Smith. “Model-free data interpretation for continuous monitoring of complex structures,” Advanced Engineering Informatics, Vol. 22, No. 1, pp 135–144. 2008. 4. Yao, R. and S. Pakzad. “Data-Driven Methods for Threshold Determination in Time-Series Based Damage Detection,” 2011 Structures Congress, pp. 77-88. 2011. 5. Vanlanduit, S., E. Parloo, B. Cauberghe, P. Guillaume and P. Verboven. “A robust singular value decomposition for damage detection under changing operating conditions and structural uncertainties,” Journal of Sound and Vibration, Vol 284, pp 1033–1050. 2005. 6. Surdahl, R., et al. “The Positive Legacy of a Bridge Collapse,” Public Roads, Vol. 73, No. 5, Federal Highway Administration, FHWA-HRT-10-001, March, 2010. 7. Strickland, T. “Grant Application for Transportation Investment Generating Economic Recovery for the Jeremiah Morrow Bridge Modernization,” State of Ohio. 2009. 8. Python Software Foundation, “Python Programming Language – Official Website,” Python Software Foundation, , May 20, 2011. 9. MySQL (2011), “The World's Most Popular Database,” Oracle Corporation, , May 20th, 2011. 10. Hoult, N., P. Fidler, P. Hill and C. Middleton, “Long-Term wireless Structural Health Monitoring of the Ferribly Road Bridge,” Journal of Bridge Engineering, Vol. 15, Issue 2, pp. 153-159. 2010. 11. Kimmel, G. “A Turnkey Solution for Web-Based Long Term Health Bridge Monitor Utilizing Low Speed Measurements and Predictive Models,” Central’s Thesis, Department of Electrical and Computer Engineering, University of Cincinnati, Cincinnati, OH. 2008. 12. Hunt, V. “Nondestructive Evaluation and Health Monitoring of Highway Bridges,” Dissertation, Department of Electrical and Computer Engineering, University of Cincinnati, Cincinnati, OH. 2000. 13. AASHTO, LRFD. Bridge Design Specifications., American Association of State Highway and Transportation Officials, Washington, D.C. 2011. 14. AASHTO. Manual for Bridge Evaluation., American Association of State Highway and Transportation Officials, Washington, D.C. 2011. 15. Helmicki, A., V. Hunt and J. Swanson. “Load Testing of WAR-71-1514 (Jeremiah Morrow Bridge, Washington Township, Ohio),” Report for the Ohio Department of Transportation, University of Cincinnati Infrastructure Institute, Cincinnati, OH. 2009. 16. DelDOT Bridge Design Manual (Chapter 4). State of Delaware Department of Transportation. [Online] May 2005. [Cited: 3 19, 2008.] bridge-rating.pdf. 17. Fouladirad, M. and I. Nikiforov. “Optimal statistical fault detection with nuisance parameters,” IEEE American Control Conference, 0-7803-7896-2. 2003. 18. Poor, Vincent. An Introduction to Signal Detection and Estimation, Springer-Verlag, New York, NY. 1988.
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