Railway Track Maintenance I

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Railway Track Maintenance I
Railway Track Maintenance I
Railway Track Maintenance I - Cont'd
Table of Contents
Introduction
Introduction - Cont'd
Chapter 1 Fundamentals of Railway Engineering
Meeting Operational Problems
Efect of Grade on Railroad Location
Efect of Grade on Railroad Location - Cont'd
Figure 1.1. Gravity and Development Lines.
Figure 1.2. Tangent and Nontangent Lines.
Figure 1.3. Tangents and Curves.
Figure 1.4. Determining Percent Grade.
Figure 1.5. Need for Vertical Curves.
Gage
Figure 1.7. Gage on Sharp Curves.
Figure 1.8. Proper Cross Level of Track.
Clearance
Figure 1.10. Typical Clearances.
Figure 1.11. AREA Clearance Diagrams.
Introduction
Section I. Roadbed and Ballast
Figure 2.2. Kinds of Cuts.
Terrain Irregularities
Ballast
Ballast Materials
Selecting Ballast
Figure 2.3. Typical Main-Line Ballast Section
Section II. Drainage
Need For Drainage
Figure 2.4. Drainage Obstructed When Subsoil Forced Up
Correcting Water Pockets
Figure 2.5. Ballast As Drainage Medium.
Correcting Contaminated Ballast
Longitudinal Orside Ditch
Figure 2.6. Principles of Longitudinal Drainage.
Longitudinal Orside Ditch - Cont'd
Figure 2.8. Cross Drain Installation With Pipe Drain in Subgrade.
Figure 2.9. Cross Drain Installation With Pipe Drain on Top of Subgrade.
Figure 2.10. Grouting Corrects Water Pocket.
Chapter 3 Track Elements
Section I. Rail
Rails of Steel
Figure 3.1. Rail Section.
Stiffness
Table I. Standard T-Rail Sections
Sections
Length
Failures
Figure 3.2. Rail Defects.
Summary
Section I. Crossties
Wooden Ties
Figure 3.3. Curvature of Crossties.
Table II. Typical Tie Sizes
Table III. Tie Spacing on One Commercial Railroad
Figure 3.4. Adzed Crosstie.
Figure 3.5. Antisplitting Irons.
Figure 3.6. Methods of Stacking Ties.
Section III. Track Fastenings
Figure 3.11. Using Spikes With Tie Plates.
Figure 3.12. Screw Spike.
Figure 3.14. Typical Rail Anchor.
Section IV. Rail Joints
Description
Figure 3.18. Typical Rail Joint Bolts, Nuts, and Spring Lock Washer.
Figure 3.19. Types of Rail Joint Assemblies.
Figure 3.20. Methods of Joint Support.
Installation
Table V. Rail Gap
Maintenance
Maintenance - Cont'd
Figure 3.21. Broken Joint Bars.
Compromise Joints
Figure 3.22. Designations of Compromise Bars.
Bomded Joints
Railway Track Maintenance I
Trans Subcourse 670
Examination
True-False
Matching
Multiple Choice
Multiple Choice - Cont'd
Multiple Choice - Cont'd
Lesson Assignment Sheet
Cluster True-False
Cluster True-False - Cont'd
Multiple Choice
Multiple Choice - Cont'd
Multiple Choice - Cont'd
Lesson Assignment Sheet
Cluster True-False
Matching
Matching - Cont'd
Matching - Cont'd
Multiple Choice
Multiple Choice - Cont'd
Multiple Choice - Cont'd
Multiple Choice - Cont'd
Lesson 1
Lesson 2
Lesson 3
Lesson 3 - Cont'd
Lesson 3 - Cont'd
Lesson 3 - Cont'd
Appendix I References
Appendix I References - Cont'd
Appendix II Glossary
Appendix II Glossary - Cont'd
Appendix II Glossary - Cont'd
Appendix II Glossary - Cont'd
Appendix II Glossary - Cont'd
Appendix II Glossary - Cont'd
Appendix II Glossary - Cont'd
Appendix II Glossary - Cont'd
Index
Index - Cont'd
Index - Cont'd
Blank Pages
Blank Pages

Railway Track Maintenance I

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