ISO 18379-1-2026 铁路基础设施——无砟轨道——第1部分：通用

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Railway infrastructure —

Ballastless track—

Part 1:

General requirements

Infrastructure ferroviaire—Voies sans ballast—

Partie 1:Exigences générales

Reference number

ISO 18379-1:2026(en)

International

Standard

ISO 18379-1

First edition

2026-05

◎ISO 2026

iii

ISO 18379-1:2026(en)

Contents Page

Foreword.......................................................................................................................................................................V

Introduction .............................................................................................................................................................

vVi

1 Scope ............................................................................................................................................................... 1

2 Normative references ................................................................................................................................. 1

3 Terms and definitions ................................................................................................................................. 1

4 Configuration of ballastless track ............................................................................................................ 2

4.1 Genera..................................................................................................................................................2

4.2 Ballastless track system, subsystems and components ................................................................. 2

5 External actions..............................................................................................................................................3

5.1 Types of actions .................................................................................................................................. 3

5.2 Railway traffic loading............................................................................................................................3

5.2.1 General ................................................................................................................................... 3

5.2.2 Vertical loads........................................................................................................................... 3

5.2.3 Lateral loads........................................................................................................................... 4

5.2.4 Longitudinal loads.................................................................................................................. 4

5.3 Indirect actions and conditions imposed by the substructure...................................................... 5

5.3.1 General ................................................................................................................................... 5

5.3.2 Indirect actions..................................................................................................................... 5

5.3.3 Earthworks.............................................................................................................................. 6

5.3.4 Bridges ................................................................................................................................... 6

5.3.5 Tunnels ................................................................................................................................... 7

5.4 Environmental actions ......................................................................................................................... 7

5.4.1 General ................................................................................................................................... 7

5.4.2 Temperature........................................................................................................................... 7

5.4.3 Earthquake......................................................................................................................................... 7

6System requirements................................................................................................................................... 8

6.1 Track design geometry ...................................................................................................................... 8

6.2 Track stability...................................................................................................................................... 8

6.3 Structure gauge .................................................................................................................................. 8

6.4 Design life............................................................................................................................................. 8

6.5 Maintainability.....................................................................................................................................8

6.6 Environmental sustainability..............................................................................................................8

6.7 Noise and vibration ..............................................................................................................................8

6.8 Derailment .......................................................................................................................................... 9

6.9 Electrical interfaces.............................................................................................................................9

6.9.1 General ................................................................................................................................... 9

6.9.2 Rail-to-rail electrical resistance.......................................................................................... 9

6.9.3 Electrical interfaces with traction power supply systems..................................................

6.9.4 Electrical interfaces with signalling systems ................................................................... 10

6.9.5 Track circuit...........................................................................................................................10

6.9.6 Electromagnetic compatibility(EMC) with signalling systems....................................... 10

6.10 Fixing of equipmen........................................................................................................................... 10

6.11 Requirements related to the substructure ................................................................................... 10

6.11.1 General .................................................................................................................................. 10

6.11.2 Earthworks........................................................................................................................... 10

6.11.3 Bridges................................................................................................................................... 11

6.11.4 Tunnels ..................................................................................................................................12

6.12 Transition.......................................................................................................................................... 12

6.13 Requirements related to the environmen......................................................................................12

6.13.1 General ..................................................................................................................................12

6.13.2 Water................................................................................................................................... 13

6.13.3 Drainage.................................................................................................................................. 13

6.13.4 Temperature...........................................................................................................................13

ISO 18379-1:2026(en)

6.13.5 Earthquakes...........................................................................................................................13

6.13.6 Chemical exposure, UV exposure and pollution............................................................... 13

6.13.7 Fire implications of trackform............................................................................................. 14

Annex A(informative) System configuration of ballastless track systems............................................... 15

Annex B(informative) Railway traffic loading of specific regions or nation..............................................18

Annex C(informative) Railtemperature increase by using eddy current brake.......................................24

Annex D(in

…

e.. )E

…

loop-free and zones with limited metal content to ensure

Annex E(informative) Example of beacon mounting system ....................................................................... 29

Annex F(informative) Correlation between relevant regional or national standards........................... 30

Bibliography ............................................ …………………………………………………32

EMC ............................................................................... 27

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标签： #ISO #设施 #2026

摘要：

Railwayinfrastructure—Ballastlesstrack—Part1:GeneralrequirementsInfrastructureferroviaire—Voiessansballast—Partie1:ExigencesgénéralesReferencenumberISO18379-1:2026(en)InternationalStandardISO18379-1Firstedition2026-05◎ISO2026iiiISO18379-1:2026(en)ContentsPageForeword....................................

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