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16
Feb
2019
Accident Investigations
HQ-2019-1323 (Finalized)
Subject
Accident Investigations,
Motive Power and Equipment,
Track
Keywords: derailment; BNSF Railway; Cloquet, MN; track; equipment
Abstract: At 11:25 a.m., CST, BNSF Railway (BNSF) freight train C-BTMCOB0-13B (Train 1), derailed near Cloquet, Minnesota. The derailment occurred as Train 1 operated westbound on the Lakes...
Accident Date
Accident Type
Derailment (DRM)
Railroad Name
BNSF Railway
Location
Cloquet, MN
United States
Accident Number
HQ-2019-1323
Investigation Status
Finalized
12
Feb
2019
Research Results
Thermite Head-Defect Repair Welds at the Eastern Mega Site
Subject
Track
Keywords: Rail, weld, thermite, railhead repair, rail welding, revenue service
Abstract: From October 2013 to March 2017, thermite head-defect repair test welds from two different suppliers were installed at the eastern mega site near Princeton, WV, on mainline...
Report Number
RR 19-02
Office
RDI-21
6
Feb
2019
Research Results
Drainage Properties of Fine Contaminated Ballast
Subject
Track
Keywords: Ballast, fines, drainage, mud pumping, track
Abstract: In 2017, the Federal Railroad Administration (FRA) and Transportation Technology Center, Inc. (TTCI) completed the initial phase of testing on a “Rainy Section” in the High...
Report Number
RR 19-01
Office
RDI-21
11
Sep
2018
Technical Reports
Ballast Fouling Measurement Tool: Phase 1
Subject
Track
Keywords: Ground penetrating radar, GPR, RAdar Ballast Inspection Tool, RABIT, ballast, fouling, moisture
Abstract: A prototype man-portable ballast inspection instrument was developed by Earth Science Systems, LLC (ESS) at their facility for use by track inspectors based on ground penetrating...
Report Number
DOT/FRA/ORD-18/33
Office
RDI-21
6
Aug
2018
Technical Reports
Next-Generation Foundations for Special Trackwork – Phase II
Subject
Track
Keywords: Dynamic load environment, special trackwork frog foundations, wheel/rail impact, W/R, modeling, High Tonnage Loop, HTL, Facility for Accelerated Service Testing, FAST
Abstract: Transportation Technology Center, Inc. (TTCI) conducted this study under a research and development plan funded by the Federal Railroad Administration (FRA), and the work was...
Report Number
DOT/FRA/ORD-18/29
Office
RDI-21