A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Use of Wireless Sensors for Timber Trestle Railroad Bridges Health Monitoring Assessment
This presentation discusses the possibilities associated between the existing available applied research in wireless sensors and the always increasing need to identify/address existing railroad bridges performance under actual traffic. In one hand, universities and research centers today are developing the advance theory and framework for the use of wireless sensors in structures health monitoring. To implement wireless sensors in the areas where quantitative / objective data is required. Timber trestle bridges are carrying most of the main line traffic in the US, especially in the South Regions, and a significant number of those are in need of maintenance and or replacement. The maintenance and/or replacement of timber bridges is based on visual/direct and individual inspections, which can not assess objective/quantitative data of the bridge performance under loading. Different bridge inspectors will not be able to determine objective parameters for different bridges, and even more, different loading conditions. The dynamic response of the timber trestle bridge continues to be an isolated parameter that can not be compared with the existing maintenance/inspection program. The authors gathered data obtained by connecting wireless sensors to existing timber trestle bridges which were identified to show excessive longitudinal and transversal displacement under regular traffic loading. The paper includes the description on the implementation process of wireless sensors under real on-site conditions, critique to the results and their validity, and proposed improvements in the entire data acquisition, comprised in concrete proposals. It finally summarizes recommendations for future/potential use in the railroad timber trestle railroad bridge maintenance, inspection and assessment.
Use of Wireless Sensors for Timber Trestle Railroad Bridges Health Monitoring Assessment
This presentation discusses the possibilities associated between the existing available applied research in wireless sensors and the always increasing need to identify/address existing railroad bridges performance under actual traffic. In one hand, universities and research centers today are developing the advance theory and framework for the use of wireless sensors in structures health monitoring. To implement wireless sensors in the areas where quantitative / objective data is required. Timber trestle bridges are carrying most of the main line traffic in the US, especially in the South Regions, and a significant number of those are in need of maintenance and or replacement. The maintenance and/or replacement of timber bridges is based on visual/direct and individual inspections, which can not assess objective/quantitative data of the bridge performance under loading. Different bridge inspectors will not be able to determine objective parameters for different bridges, and even more, different loading conditions. The dynamic response of the timber trestle bridge continues to be an isolated parameter that can not be compared with the existing maintenance/inspection program. The authors gathered data obtained by connecting wireless sensors to existing timber trestle bridges which were identified to show excessive longitudinal and transversal displacement under regular traffic loading. The paper includes the description on the implementation process of wireless sensors under real on-site conditions, critique to the results and their validity, and proposed improvements in the entire data acquisition, comprised in concrete proposals. It finally summarizes recommendations for future/potential use in the railroad timber trestle railroad bridge maintenance, inspection and assessment.
Use of Wireless Sensors for Timber Trestle Railroad Bridges Health Monitoring Assessment
Moreu, Fernando (author) / Nagayama, Tomonori (author)
Structures Congress 2008 ; 2008 ; Vancouver, British Columbia, Canada
Structures Congress 2008 ; 1-8
2008-10-14
Conference paper
Electronic Resource
English
Use of Wireless Sensors for Timber Trestle Railroad Bridges Health Monitoring Assessment
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