Conference proceeding
Monitoring thermal stresses and incipient buckling of continuous-welded rails: results from the UCSD/BNSF/FRA large-scale laboratory test track
SENSORS AND SMART STRUCTURES TECHNOLOGIES FOR CIVIL, MECHANICAL, AND AEROSPACE SYSTEMS 2011, v 7981(1), pp 79813T-79813T-6
01 Jan 2011
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Most modern railways use Continuous Welded Rail (CWR). A major problem is the almost total absence of expansion joints that can create buckling in hot weather and breakage in cold weather due to the rail thermal stresses. In June 2008 the University of California, San Diego (UCSD), under the sponsorship of a Federal Railroad Administration (FRA) Office of Research and Development (R&D) grant, began work to develop a technique for in-situ measurement of stress and detection of incipient buckling in CWR. The method under investigation is based on ultrasonic guided waves, and the ultimate goal is to develop a prototype that can be used in motion. A large-scale full rail track (70 feet in length) has been constructed at UCSD's Powell Structural Laboratories, the largest laboratories in the country for structural testing, to validate the CWR stress measurement and buckling detection technique under rail heating conditions well controlled in the laboratory. This paper will report on the results obtained from this unique large-scale test track to date. These results will pave the road for the future development of the rail stress measurement & buckling detection prototype.
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Details
- Title
- Monitoring thermal stresses and incipient buckling of continuous-welded rails: results from the UCSD/BNSF/FRA large-scale laboratory test track
- Creators
- Robert Phillips - University of California, San DiegoClaudio Nucera - University of California, San DiegoStefano Coccia - University of California, San DiegoFrancesco Lanza di Scalea - University of California, San DiegoIvan Bartoli - Drexel UniversityMahmood Fateh - Federal Railroad AdministrationGary Carr - Federal Railroad Administration
- Contributors
- M Tomizuka (Editor)C B Yun (Editor)Giurgiutiu (Editor)J P Lynch (Editor)
- Publication Details
- SENSORS AND SMART STRUCTURES TECHNOLOGIES FOR CIVIL, MECHANICAL, AND AEROSPACE SYSTEMS 2011, v 7981(1), pp 79813T-79813T-6
- Series
- Proceedings of SPIE
- Publisher
- Spie-Int Soc Optical Engineering
- Number of pages
- 6
- Grant note
- DTFR53-08-G-00011 / U.S. Federal Railroad Administration under University FRA Office of Research and Development as the Program Manager
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering; Sport Management (Center for Sport Management)
- Web of Science ID
- WOS:000294447800108
- Scopus ID
- 2-s2.0-79956291656
- Other Identifier
- 991019168124804721
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InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Engineering, Electrical & Electronic
- Engineering, Multidisciplinary
- Optics