TCRP Report 71 Volume 5:

Flange Climb Derailment Criteria and Wheel/Rail Profile Management and Maintenance Guidelines for Transit Operations

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Size: 147 pages, 8.5 x 11

Publication Year:2005

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Transportation Research Board
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TRB's Transit Cooperative Research Program (TCRP) Report 71, Track-Related Research, Vol. 5: Flange Climb Derailment Criteria and Wheel/Rail Profile Management and Maintenance Guidelines for Transit Operations examines flange climb derailment criteria for transit vehicles that include lateral-to-vertical ratio limits and ...
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Table of Contents
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Front Matter	i-ix
Summary	1-2	(skim)
1.2 Structure of This Report	3-3	(skim)
1.3 Summary of Phase I Work	4-5	(skim)
2.2 Flange-Climb-Distance Criteria	6-6	(skim)
2.3 Determination of Effective AOA	7-7	(skim)
2.4 Definition of Flange Climb Distance	8-8	(skim)
2.5 A Biparameter Technique to Derive Flange Climb Distance	9-9	(skim)
2.8 Examples of Application of Flange Climb Criteria	10-11	(skim)
3.1 Requirement for New Wheel Profile Drawings	12-13	(skim)
3.2 Wheel/Rail Profile Measurement and Documentation	14-15	(skim)
3.3 Wheel/Rail Profile Assessment	16-22	(skim)
3.4 Understanding Important Stages of Wheel/Rail Contact in a System	23-23	(skim)
3.5 Wheel Re-Profiling	24-24	(skim)
3.6 Wheel Profile Design	25-25	(skim)
3.7 Ground Rail Profile	26-27	(skim)
3.8 Effect of Gage and Flange Clearance on Wheel/Rail Contact	28-29	(skim)
3.9 Wheel/Rail Profile Monitoring Program	30-30	(skim)
Chapter 4 - Glossary of Technical Terms	31-32	(skim)
References	33-33	(skim)
Appendix A - Effect of Wheel/Rail Profiles and Wheel/Rail Interaction on System Performance and Maintenance in Transit Operations	34-76	(skim)
Appendix B - Investigation of Wheel Flange Climb Derailment Criteria for Transit Vehicles (Phase I Report)	77-115	(skim)
Appendix C - Investigation of Wheel Flange Climb Derailment Criteria for Transit Vehicles (Phase II Report)	116-137	(skim)
Abbreviations used without definitions in TRB publications	138-138	(skim)

Description

TRB's Transit Cooperative Research Program (TCRP) Report 71, Track-Related Research, Vol. 5: Flange Climb Derailment Criteria and Wheel/Rail Profile Management and Maintenance Guidelines for Transit Operations examines flange climb derailment criteria for transit vehicles that include lateral-to-vertical ratio limits and a corresponding flange-climb-distance limit. The report also includes guidance to transit agencies on wheel and rail maintenance practices.

TCRP Report 71 Volume 5:

Flange Climb Derailment Criteria and Wheel/Rail Profile Management and Maintenance Guidelines for Transit Operations

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