Preface
CHAPTER 1 Types and Structure
1.1 Main Types
1.1.1 Composition
1.1.2 Classification
1.2 Technical Requirements
1.2.1 Excellent Technical Performance
1.2.2 High Cost—Effectiveness
1.2.3 Outstanding Adaptability
1.3 Technical Features
1.3.1 System Integration
1.3.2 Theoretical Basis and Practical Tests
1.3.3 State—of—the—Art Manufacture and Laying Processes
1.3.4 Scientific Maintenance and Management
1.4 Global Overview of High—Speed Turnouts
1.4.1 France
1.4.2 Germany
1.4.3 China
1.4.4 Other Countries
CHAPTER 2 Layout Design
2.1 Design Conditions
2.1.1 Operation
2.1.2 Rolling Stock
2.1.3 Tracks
2.1.4 Laying
2.2 Plane Line Types
2.2.1 Design Requirements
2.2.2 Transition Lead Curves
2.2.3 Switch Rails
2.2.4 Clearances
2.2.5 Geometric Sizes
2.3 Design of Parameters
2.3.1 Method Based on Particle Motion
2.3.2 Method Based on Rigid Body Motion
2.3.3 Design Software
2.4 Assessment Methods Based on Wheel—Rail System Vibration
2.4.1 Theory of Wheel—Rail System Dynamics
2.4.2 Multi—Rigid—Body Dynamics Analysis Software
2.4.3 Application Cases
CHAPTER 3 Structural Selection and Rail Design
3.1 Selection Principles
3.2 Overall Structure Selection
3.2.1 Guiding—Rail Turnouts
3.2.2 Swing Nose Crossing
3.2.3 Flexible Point Rail
3.2.4 Long Wing Rails
3.2.5 Assembled Point Rails
3.2.6 Rolled Special Section Wing Rails
3.2.7 AT Rail Hot—Forged Heel Ends of Switch Rails and Point Rails
3.2.8 Check Rail Made of Grooved Rail
3.3 Design of Rail Members
3.3.1 Selection of AT Rail
3.3.2 Design of Components at the First Traction Point on Swing Nose Rail
3.4 Technical Requirements for Rails
3.4.1 Requirements
3.4.2 Type， Section， and Length of Rails
3.5 Manufacturing of Rails
3.5.1 Refining
3.5.2 Finishing
3.5.3 Conditioning
3.5.4 Centralized Detection
3.5.5 Long Rail Production
CHAPTER 4 Wheel—Rail Relation Design
4.1 Wheel—Rail Contact Geometry Relation
4.1.1 Calculation Methods
4.1.2 Rail Profiles
4.1.3 Wheel—Rail Contact Geometry （without Wheelset Lateral Displacement）
4.1.4 Wheel—Rail Contact Geometry in the Diverging Line
4.1.5 Wheel—Rail Contact Geometry （with Wheelset Lateral Displacement）
4.1.6 Longitudinal Change along the Turnout （with Wheelset Lateral Displacement）
4.2 Wheel—Rail Rolling Contact Theories in Turnout Zone
4.2.1 Hertzian Theory
4.2.2 Non—Hertzian Rolling Contact Theories
4.2.3 Wheel—Rail Rolling Contactin Turnout Area
4.2.4 Calculation Method for 3D Elastic Body Semi—Hertzian Rolling Contact of the Wheel—Rail System in Turnout Area
4.3 Assessment of Simplified Models
4.3.1 Vertical lrregularities
4.3.2 Lateral Irregularities
4.3.3 Application Cases
4.4 Dynamic Evaluation Based on Wheel—Rail Dynamics in Turnout Area
4.4.1 Dynamics Models of Train—Turnout System
4.4.2 Vibration Equation of Train—Turnout System
4.4.3 Evaluation Indicators
4.4.4 Simulation Evaluation
4.4.5 Evaluation of Wheel—Rail Relation Design
CHAPTER 5 Track Stiffness Design
5.1 Composition
5.1.1 Fastening Stiffness
5.1.2 Sub—Rail Foundation Stiffness
5.1.3 Track Integral Stiffness
5.2 Track Stiffness Design
5.2.1 Structure of a Fastening for High—Speed Turnouts in China
5.2.2 Vertical Stiffness of Rail Pad
5.3 Distribution Rules of Track Integral Stiffness
5.3.1 Influential Factors
5.3.2 Calculation Models
5.3.3 Distribution Rule in Ballasted Turnout
5.3.4 Distribution Rule in Ballastless Turnout
5.4 Homogenization Design for Track Stiffness in a Turnout
5.4.1 Dynamic Analysis at Track Stiffness Transition
5.4.2 Relation between Variation Rate of Rail Deflection and Length of Track Stiffness Transition
5.4.3 Homogenization Design of Track Stiffness in a Turnout
5.4.4 Design of Plate Pad
5.5 Design of Track Stiffness Transition for a Turnout
CHAPTER 6 Structural Design of CWR Turnouts
6.1 Structural Features
6.1.1 Basic Requirements
6.1.2 Transmission Path of Temperature Force
6.1.3 Force Transmission Structure
6.2 Calculation Theories and Approaches
6.2.1 Equivalent Resistance Coefficient Method
6.2.2 Double—Rail Interaction Method
6.2.3 Generalized Variational Method
6.2.4 Finite Element Method
6.3 Regularity of Stress and Deformation of CWR Turnout
6.3.1 Distribution Regularity
6.3.2 Influential Factors
6.4 Design and Verification
6.4.1 Contents
6.4.2 Design of Rail Laying Temperature of CWR Turnout
6.4.3 Arrangement of Creep Observation Stakes
6.4.4 Welding Sequence for Large Number Turnout
6.4.5 Layout Principle for Turnout Group
6.4.6 Layout Principle for CWR Turnout in Tunnel
6.4.7 Layout Principle for CWR Turnout on Bridge
CHAPTER 7 Design of CWR Turnout on Bridge
7.1 Regularity of Longitudinal Interaction of CWR Turnout on Bridge
7.1.1 Turnout—Bridge—（Slab）—Pier Integrated Model
7.1.2 Regularity of Longitudinal Interaction between Simply Supported Beam Bridge with Ballast Track and Turnout
7.1.3 Regularity of Longitudinal Interaction between Turnout and Continuous Beam Bridge for Ballast Track
7.1.4 Regularity of Longitudinal Interaction between Continuous Beam Bridge with Ballastless Track and Turnout
7.2 Dynamic Characteristics of Vehicle—Turnout—Bridge Coupled System
7.2.1 Regularity of Dynamic Interaction of Crossover Turnout on Uniform Continuous Beam Bridge
7.2.2 Regularity of Dynamic Interaction of Single Turnout on Nonuniform Continuous Beam
7.3 Design Requirements of CWR Turnout on Bridge
7.3.1 Layout of Turnout and Bridge
7.3.2 Design Requirements for CWR Turnout on Bridge
……
CHAPTER 8 Conversion Design of High—Speed Turnouts
CHAPTER 9 Design of Rail Substructure and Components
CHAPTER 10 Theoretical Validation of High—Speed Turnout Design
CHAPTER 11 Manufacturing Technologies of High—Speed Turnouts
CHAPTER 12 Laying Technology
CHAPTER 13 lrregularity Control of High—Speed Turnouts in Operation
CHAPTER 14 Maintenance and Management
References
Index
鄂公网安备 42010302001612号 