Fastening systems for high-speed railway - Part 1: General requirement
1 Scope
This part specifies the technical requirements of fastening systems for high-speed railway and the main performance requirements of parts and components.
This part is applicable to fastening systems for ballast and ballastless tracks of high-speed railway.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 6461 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates - Rating of test specimens and manufactured articles subjected to corrosion tests
GB/T 9258.1 Coated abrasives - Grain size analysis - Part 1: Grain size distribution test
GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests
TB/T 3276 Rails for high-speed railway
TB/T 3396.1 Test methods for fastening systems of high-speed railway - Part 1: Determination of longitudinal rail resistant
TB/T 3396.2 Test methods for fastening systems of high-speed railway - Part 2: Determination of clamping force
TB/T 3396.4 Test methods for fastening systems of high-speed railway - Part 4: Test of fatigue performance of fastening assembly
TB/T 3396.5 Test methods for fastening systems of high-speed railway - Part 5: Determination of electrical resistance
TB/T 3396.6 Test methods for fastening systems of high-speed railway - Part 6: Effect of severe environmental conditions
TB/T 3396.7 Test methods for fastening systems of high-speed railway - Part 7: Vertical load test for cast-in fastening components
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3 Technical requirements
3.1 Rail type
The fastening systems shall be suitable for 60kg/m rail in accordance with TB/T 3276. The fastening systems at rail joints (including glued insulated joints) shall meet the installation requirements of rail joint coupling components.
3.2 Gauge
Gauge shall be 1,435mm.
3.3 Interface
The interface diagram between the fastening system and the concrete sleeper or track slab shall include the relevant dimensions and tolerances of the supporting rail-bearing surface for sleeper or track slab, as well as the embedded position dimensions and tolerances of the embedded parts.
3.4 Rail cant
The rail cant shall be 1: 40. Rail cant shall be arranged for the fastening system if not arranged for the foundation beneath the rail.
3.5 Rail position adjustment
Foreword i
1 Scope
2 Normative references
3 Technical requirements
4 Main performance requirements of parts and components
Annex A (Normative) Test method for static stiffness of elastic cushions
Annex B (Normative) Test method for dynamic stiffness of elastic cushions
Annex C (Normative) Fatigue test method for elastic cushions
