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Proceedings Papers

Evaluating Fouled Ballast Using Seismic Surface Waves

Timothy D. Stark, Stephen T. Wilk, Hugh B. Thompson, II, Theodore R. Sussmann, Jr., Mark Baker, Carlton L. Ho
Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T01A002, April 12–15, 2016
Publisher: American Society of Mechanical Engineers
Paper No: JRC2016-5714
https://doi.org/10.1115/JRC2016-5714
View Paper titled, Evaluating Fouled Ballast Using Seismic Surface Waves
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Topics: Surface waves (Fluid), Railroads, Rails, Soil, Stress, Drainage, Emission spectroscopy, Maintainability, Pavement, Shear waves
Proceedings Papers

3D Ultrasonic Imaging Applications on Rails

Thompson Vu Nguyen, Simone Sternini, Francesco Lanza di Scalea
Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T06A010, April 12–15, 2016
Publisher: American Society of Mechanical Engineers
Paper No: JRC2016-5760
https://doi.org/10.1115/JRC2016-5760
View Paper titled, 3D Ultrasonic Imaging Applications on Rails
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Topics: Rails, Ultrasonic imaging, Imaging, Inspection, Algorithms, Biomedical imaging, Computer simulation, Data acquisition systems, Delays, Displacement
Proceedings Papers

Seismic Surface Wave Testing for Track Substructure Assessment

Timothy D. Stark, Thomas J. Dehlin, Soheil Nazarian, Hoda Azari, Deren Yuan, Carlton L. Ho
Proc. ASME. JRC2014, 2014 Joint Rail Conference, V001T01A017, April 2–4, 2014
Publisher: American Society of Mechanical Engineers
Paper No: JRC2014-3776
https://doi.org/10.1115/JRC2014-3776
View Paper titled, Seismic Surface Wave Testing for Track Substructure Assessment
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Topics: Surface waves (Fluid), Testing, Computer simulation, Accelerometers, Excitation, Inspection, Maintenance, Railroads, Safety, Seismic waves
Proceedings Papers

Experimental Study on the Stiffness Degradation of Railroad Ballast Subjected to Clay Fouling

Corrie Walton-Macaulay, L. Sebastian Bryson, Kyle J. Guenther
Proc. ASME. JRC2014, 2014 Joint Rail Conference, V001T01A004, April 2–4, 2014
Publisher: American Society of Mechanical Engineers
Paper No: JRC2014-3727
https://doi.org/10.1115/JRC2014-3727
View Paper titled, Experimental Study on the Stiffness Degradation of Railroad Ballast Subjected to Clay Fouling
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Topics: Railroads, Stiffness, Maintenance, Rails, Shear modulus, Shear waves, Drainage, Plasticity, Seismic waves, Soil
Proceedings Papers

Seismic Testing for Track Substructure (Ballast and Subgrade) Assessment for Passenger/Freight Corridors

Timothy D. Stark, Soheil Nazarian, Carlton L. Ho, Erol Tutumluer
Proc. ASME. JRC2013, 2013 Joint Rail Conference, V001T01A013, April 15–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: JRC2013-2489
https://doi.org/10.1115/JRC2013-2489
View Paper titled, Seismic Testing for Track Substructure (Ballast and Subgrade) Assessment for Passenger/Freight Corridors
Open the PDF for Seismic Testing for Track Substructure (Ballast and Subgrade) Assessment for Passenger/Freight Corridors in another window
Topics: Deformation, Inspection, Numerical analysis, Railroads, Safety, Seismic waves, Shear modulus, Shear strength, Shear waves, Testing