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14
Jul
2023
Technical Reports
Unsaturated Characteristics of Fouled Ballast to Support in Situ Identification of Fouling Using Ground Penetrating Radar – Phase II
Subject
Track
Keywords: Ballast stability detection technology, suction water characteristic curves, large-scale direct shear, complex impedance, ballast fouling, track
Abstract: The Federal Railroad Administration funded researchers from Kansas State University and the University of Arkansas to establish the electromagnetic, suction, and strength...
Report Number
DOT/FRA/ORD-23/18
Office
RDI-21
27
Apr
2023
Technical Reports
Automated Track Change Detection Technology for Enhanced Railroad Safety Assessment
Subject
Track
Keywords: 3D laser triangulation, artificial intelligence, AI, deep convolutional neural networks, algorithms, change detection, safety, operational efficiency, inspection, technology-augmented human inspection
Abstract: The Rail Transportation and Engineering Center at the University of Illinois at Urbana-Champaign and Railmetrics, Inc. evaluated the use of 3D laser scanning, Deep...
Report Number
DOT/FRA/ORD-23/13
Office
RPD-21
17
Feb
2023
Research Results
Railroad Bridge Inspection Using Drone-Based Digital Image Correlation
Subject
Track
Keywords: Autonomous drone flight control, stereo digital image correlation, remote bridge inspection
Report Number
RR 23-02
Office
RDI-21
1
Feb
2023
Policy and Guidance
Railroad Employee Use of Prescription and Over-the-Counter Drugs and Herbal Medications Pamphlet
Subject
Drug and Alcohol Program
Keywords: RX OTC
13
Jan
2023
Technical Reports
Relationship of Inspection Methods to Ballast Degradation Models: Phase I
Subject
Track
Keywords: Ballast, track geometry, lateral strength, lateral resistance, single tie push test, STPT, ballast condition, forecasting, track, ground penetrating radar, GPR
Report Number
DOT/FRA/ORD-23/04
Office
RDI-21