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GB/T 38695-2020Technical specification for ballastless track of urban rail transit (English PDF)

城市轨道交通无砟轨道技术条件

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 31, 2020

Implementation date

October 1, 2020

Scope

GB/T 38695-2020 is the English-translated version of 城市轨道交通无砟轨道技术条件.

GB/T 38695-2020 is the Chinese standard "Technical specification for ballastless track of urban rail transit". Its scope clause reads: This standard specifies the structure type, technical requirements, test methods, inspection rules, signs, packaging and transportation of ballastless track for urban rail transit And storage.

This standard is applicable to ballastless track for new or rebuilt standard gauge urban rail transit with a maximum operating speed not exceeding 120km/h. Do not It is suitable for the tram rail structure.

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Document preview — GB/T 38695-2020

National Standard of the People's Republic of China

ICS: 45.080
Classification: P 65

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Structure type
5 Technical requirements
6 Test method
7 Inspection rules
8 Marking, packaging, transportation and storage
Appendix B (Normative Appendix) Technical Requirements and Test Methods for Raw Materials of Track Slabs
Appendix C (Normative Appendix) Technical Requirements for Self-compacting Concrete
Appendix D (Normative Appendix) Test Method for Pull-out Force of Embedded Casing
Appendix E (Normative Appendix) Track Plate Static Load Cracking Test Method
Appendix F (Normative Appendix) Static Stiffness Test Method of Pad
Appendix G (Normative Appendix) Test Method for Dynamic Stiffness of Pads
Appendix H (Normative Appendix) Test Method for Fatigue Performance of Pads
Appendix I (Normative Appendix) Test Method for Water Absorption Performance of Pad
Appendix J (Normative Appendix) Test Method for Static Stiffness of Spring Isolators
Appendix K (Normative Appendix) Test Method for Low-Temperature Performance of Isolated Shock Absorber
Appendix L (Normative Appendix) Test Method for Static Modulus of Isolated Shock Absorber
Appendix M (Normative Appendix) Test Method for Dynamic Modulus of Isolated Shock Absorber
Appendix N (Normative Appendix) Test Method for Fatigue Performance of Isolated Shock Absorber
Appendix O (Normative Appendix) T500 Test Method for Slump Expansion and Expansion Time
Appendix P (Normative Appendix) J Ring Obstacle Height Test Method
Appendix Q (normative appendix) L-type instrument filling ratio test method
Appendix R (Normative Appendix) Test Method for Vertical Expansion

1 Scope

This standard specifies the structure type, technical requirements, test methods, inspection rules, signs, packaging and transportation of ballastless track for urban rail transit

And storage.

This standard is applicable to ballastless track for new or rebuilt standard gauge urban rail transit with a maximum operating speed not exceeding 120km/h. Do not

It is suitable for the tram rail structure.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article

Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.

GB/T 443 L-AN full loss system oil

GB/T 528 Determination of tensile stress and strain properties of vulcanized rubber or thermoplastic rubber

GB/T 531.1 Test method for indentation hardness of vulcanized rubber or thermoplastic rubber Part 1.Shore hardness tester method (Shore hardness)

GB/T 699 high quality carbon structural steel

GB/T 700 carbon structural steel

GB/T 1222 spring steel

GB/T 1499.1 Steel for reinforced concrete Part 1.Hot rolled smooth round steel

GB/T 1499.2 Steel for reinforced concrete Part 2.Hot rolled ribbed steel bars

GB/T 1499.3 Steel for reinforced concrete Part 3.Welded steel mesh

GB/T 1591 Low alloy high strength structural steel

GB/T 1682 Determination of low temperature brittleness of vulcanized rubber by single sample method

GB/T 1689 Determination of the wear resistance of vulcanized rubber (using Akron abrasion tester)

GB/T 1690 Liquid resistance test method for vulcanized rubber or thermoplastic rubber

GB/T 2828.1 Counting sampling inspection procedures Part 1.Sampling plan for batch-by-batch inspection retrieved by acceptance quality limit (AQL)

GB/T 3512 vulcanized rubber or thermoplastic rubber hot air accelerated aging and heat resistance test

GB/T 5223 Steel wire for prestressed concrete

GB/T 7759.1 Determination of compression set of vulcanized rubber or thermoplastic rubber Part 1.Under normal temperature and high temperature conditions

GB/T 7762 Ozone cracking static tensile test of vulcanized rubber or thermoplastic rubber

GB/T 9258.1 Abrasive particle size analysis for coated abrasives Part 1.Particle size composition

GB/T 10653 Determination of compression set of polymer porous elastic materials

GB/T 10654 Determination of tensile strength and elongation at break

GB/T 16947 Specification for fatigue test of helical spring

GB/T 17671 Cement mortar strength inspection method (ISO method)

GB/T 23934 Technical Specifications of Hot Rolled Cylindrical Helical Compression Spring

GB/T 50080 Standard for performance test method of ordinary concrete mixture

GB/T 50081 Standard for Test Methods of Physical and Mechanical Properties of Concrete

GB/T 50082 Standard for long-term performance and durability test methods of ordinary concrete […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 58 pages — is available in the English PDF.

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