1 General Provisions

2 Terms and Symbols

2．1 Terms

2．2 Symbols

3 Basic Requirements

3．1 General Requirements

3．2 Safety Classes， Reliability and Importance Factors

3．3 Design Working Life， Durability and Maintenance

4 Principles for Limit State Design

4．1 Limit States

4．2 Design Situations

4．3 Limit State Design

4．4 Design Based on Reliabilityl ndex

5 Actions and Environmental lnfluences

5．1 General Requirements

5．2 Design Parameter of Actions

5．3 Train Vertical Loads

5．4 Environmental Influences

6 Material and Soil Properties and Geometric Parameters

6．1 Material and Soil Properties

6．2 Geometric Parameters

7 Structural Analysis and Test-assisted Design

7．1 General Requirements

7．2 Analytical Model of Structures and Structural Members

7．3 Test-assisted Design

8 Partial Factor Design Methods

8．1 General Requirements

8．2 Design Value of Basic Variable

8．3 Ultimate Limit States

8．4 Serviceability Limit States

8．5 Fatigue Limit States

9 Reliability Management and Assessment

9．1 Reliability Management

9．2 Reliability Assessment of Existing Structures

Appendix A Structural Reliability Analysis Methods

A 1 Calculation on Structural Reliability lndexes

A．2 Selection Methods on the Structural Target Reliability Indexes

A．3 Determination of Partial Factors

A 4 Determination of Combination Value Factors

Appendix B Determination of Parameters and Probability Distribution of Actions

B 1 Characteristic Values and Probability Distribution of Permanent Actions

R 2 Representative Values and Probability Distribution of Variable Actions

R 3 Probability Distribution of Load Effect of Train

R 4 Fatigue Load Spectrum and Spectrum of Standard Load Effect Ratio

Appendix C Quality Management

Appendix D Reliability Assessment of Existing Railway Structures

D．1 General Requirements

D．2 Safety Assessment

D．3 Serviceability Assessment

D．4 Durability Assessment

D．5 Disaster Resistance Capacity Assessment

Words Used for Different Degrees of Strictness 2100433B