Ray W. James
Texas A&M University
Network
Latest external collaboration on country level. Dive into details by clicking on the dots.
Publication
Featured researches published by Ray W. James.
Applied Optics | 1999
Wanku Lee; Jongseo Lee; Craig Henderson; Henry F. Taylor; Ray W. James; Chung E. Lee; Victor Swenson; Robert A. Atkins; William G. Gemeiner
Fiber-optic sensors were installed on fatigue-critical components in the superstructure of a railroad bridge to monitor dynamic strains induced by trains crossing the bridge as well as to detect the onset of cracks. Each fiber Fabry–Perot interferometer (FFPI) strain gage was adhesively bonded to a stainless-steel strip to facilitate all-weather installation on the steel bridge members by spot welding. FFPI strain sensors were also installed on a rail at an approach to the bridge. Electrical resistive strain gages were colocated with the fiber-optic sensors on the bridge for the purpose of performance verification. In addition to the strain gages, fiber-optic continuity sensors for crack detection were bonded to the structure at critical locations. A telemetry system for transmitting the data over telephone lines was also installed at the bridge site. Dynamic response of the fiber-optic strain sensors is comparable with that of the electrical gages, and their performance has not degraded in the year since the initial installation.
Journal of Structural Engineering-asce | 1984
W. Lynn Beason; Gerald E. Meyers; Ray W. James
Journal of Structural Engineering-asce | 1986
Ray W. James; James S. Noel; Howard L. Furr; Francisco E. Bonilla
Journal of Structural Engineering-asce | 1994
John O. Sobanjo; G Stukhart; Ray W. James
Journal of Structural Engineering-asce | 1987
Ray W. James; Carlos De la Guardia; Charles R. McCreary
Journal of Transportation Engineering-asce | 1992
Dapeng Xin; Dan G Zollinger; Ray W. James
Journal of Structural Engineering-asce | 1991
Ray W. James; Gary W. Raba
Civil Engineering | 1997
Jean-Louis Briaud; Stephen F. Maher; Ray W. James
Transportation Research Record | 1986
James S Noel; Ray W. James; Howard L Furr; Francisco E. Bonilla; Lloyd R Cayes
Archive | 1993
Ray W. James; G Stukhart; W F McFarland; Alberto Garcia-Diaz; Roger P Bligh; S Baweja; John O. Sobanjo