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13
Jun
2014
Research Results
Part 2: Heavy Axle Load Revenue Service Mega Site Testing 2005–2012
Subject
Heavy Axle Load (HAL),
Track,
Track/Train Interactions,
Tracks & Structures
Keywords: Part 2: Heavy Axle Load Revenue Service Mega Site Testing 2005–2012
Report Number
RR 14-14
Office
RDI-21
4
Apr
2014
Technical Reports
Quantification of the Effectiveness of Handheld Equipment for Ground Verification of Detected Rail Internal Defects
Subject
Rail and Infrastructure Integrity,
Track,
Tracks & Structures
Keywords: Ultrasonic phased arrays, conventional ultrasonic, rail flaw sizing, nondestructive testing
Abstract: The objective of this project was to quantify the effectiveness of the rail inspection ground verification process. More specifically, the project focused on comparing the...
Report Number
DOT/FRA/ORD-14/07
Office
RRD
21
Mar
2014
Technical Reports
Performance Evaluation of Concrete Railroad Ties on the Northeast Corridor
Subject
Track,
Tracks & Structures
Keywords: Concrete railroad ties, alkali-silica reaction (ASR), delayed ettringite formation (DEF), impact echo, material analysis, prestressing tendons, degradation mechanisms, petrographic analyses, bursting and splitting forces, transfer strength and length
Abstract: Simpson Gumpertz & Heger Inc. conducted an investigation into the factors that caused widespread failure in prestressed concrete railroad ties on the Northeast Corridor. The...
Report Number
DOT/FRA/RPD-14/03
Office
RRD
1
Dec
2013
Accident Investigations
19287
Subject
Accident Investigations,
Hazardous Materials,
Human Factors,
Sleep Disorders
Keywords: Accident Investigations, Hazardous Materials, Sleep Apnea
Abstract: On December 1, 2013, at 7:19 a.m., EST, a southbound Metro-North Railroad (MNCW) passenger train, number 8808, derailed in Bronx, New York, on Main Track Number 2. The derailment...
Accident Date
Accident Type
Derailment (DRM)
Railroad Name
Metro North Commuter Railroad Company
Location
Bronx, NY
United States
Accident Number
DRM_2013_28 (Summary Report)
Investigation Status
Finalized
1
Dec
2013
Accident Investigations
HQ-2013-28 (Finalized)
Subject
Accident Investigations,
Hazardous Materials,
Human Factors,
Sleep Disorders
Keywords: Accident Investigations, Hazardous Materials, Sleep Apnea
Abstract: On December 1, 2013, at 7:19 a.m., EST, a southbound Metro-North Railroad (MNCW) passenger train, number 8808, derailed in Bronx, New York, on Main Track Number 2. The derailment...
Accident Date
Accident Type
Derailment (DRM)
Railroad Name
Metro North Commuter Railroad Company
Location
Bronx, NY
United States
Accident Number
HQ-2013-28
Investigation Status
Finalized