This Specification was prepared based on Document TJS [2010] No. 241-TechnicaI Guide for Construction of High-speed Railway Track as per the requirements for establishing the engineering and construction standard system of CHINA RAILWAY,by summarizing the practical experience in high-speed railway projects that had been put into operation in earlier stage and the experience with CRTSIII slab track for Zhengzhou-Xuzhou High-speed Railway,Panjin-Yingkou High-speed Railway and Shenyang-Dandong High-speed Railway,absorbing the research results on CRTsrri slab track and extensively soliciting the opinions from different parties involved in construction and operationThis Specification comprises 20 chapters, namely General Provisions, Terms, Basic Requirements, Construction Preparations, Setting-out of Construction Control Network,Construction of Ballastless Track Bed for CRTS I Slab Track,Construction of Ballastless Track Bed for CRTS II Slab Track, Construction of Ballastless Track Bed for CRTs rri Slab Track,Construction of Ballastless Track Bed for CRTS Bi-block Ballastless Track, Construction of Sleeper-embedded Ballastless Track in Turnout Area, Laying of Slab Track in Turnout Area,Ballast Installation, Turnout Laying on Ballasted Track, Laying of Rail Expansion Joint,Construction of Transition Section,Laying of Sealing Layers between fracks and on Both Sides,Laying of Continuously Welded Rail (CWR) Track,Fine Adjustment of Track,Pre-grinding of RaiI,Setting.of Signs and Markers,and one appendix.
【目录】
1 General Provisions 2 Terms 3 Basic Requirements 3.1 GeneralRequirements 3.2 Client 3.3 Design Institute 3.4 Contractor 3.5 Supervisor
4 Construction Preparations 4.1 Construction Investigation 4.2 Check of Construction Technical Documents 4.3 Construction Scheme Selection and Resource Allocation 4.4 Preparation of Executive Construction Plan and Operation Guide 4.5 Technical Disclosure for Construction 4.6 Arrangement of Track-laying Base 4.7 Site Test,Storage and Transportation of Main Materials and Components 4.8 Handover between Sub-track Works and Track Works 4.9 Technological Test for Ballastless Track 4.10 First Article Assessment 4.11 Interface between Track Works and Communication,Signaling,Electric Power Supply and Traction Power Supply Systems
5 Setting-out of Construction Control Network 5.1 GeneralRequirements 5.2 Re-survey of CPI and CPII Horizontal and Vertical Control Networks 5.3 Densification of CPII Horizontal and Vertical Control Networks 5.4 Setting-out and Re-survey of Track Control Network (CPIII)
6 Construction of Ballastless Track Bed for CRTsi Slab Track 6.1 GeneralRequirements 6.2 Casting of Concrete Base and Bollard 6.3 Laying of Track Slabs 6.4 Construction of Cement Asphalt Mortar Filling Layer 6.5 ResinlnjectionaroundBollard
7 Construction of Ballastless Track Bed for CRTSII Slab Track 7.1 General Requirements 7.2 Construction of Supporting Layer 7.3 Laying of Sliding Layer and Hard Foam Boards on Bridge 7.4 Casting of Concrete Base on Bridge 7.5 Construction of Anchorage Structure behind Abutment 7.6 Laying of Track Slabs 7.7 Injection of Cement Asphalt Mortar 7.8 Longitudinal Connection of Track Slabs and Blocking of Grouting Hole 7.9 Anchorage Connection of Track Slabs 7.10 Construction of Lateral Stop Blocks
8 Construction of Ballastless Track Bed for CRTSIII Slab Track 8.1 GeneralRequirements 8.2 Casting of Concrete Base and Negative Cams 8.3 Laying of Isolation Layer and Elastic Cushion 8.4 Laying of Track Slabs 8.5 Laying of Self-compacting Concrete Layer
9 Construction of Ballastless Track Bed for CRTS Bi-block Ballastless Track 9.1 GeneralRequirements 9.2 Laying of Supporting Layer 9.3 Casting of Concrete Base and Negative Cams 9.4 Laying of Isolation Layer and Elastic Cushion 9.5 Assembly9Adjustment and Fixat:ion of Track Panel with Track Panel Support Method 9.6 Assembly,Adjustment and Fixation of Track Panel with Track Panel Frame Method 9.7 Concreting of Slab on Site
10 Construction of Sleeper-embedded Ballastless Track in Turnout Area 10.1 GeneralRequirements 10.2 Laying of Supporting Layer 10.3 Casting of Concrete Base and Negative Cams 10.4 Laying of Isolation Layer and Elastic Cushion 10.5 Assembly,Adjustment and Fixation of Turnout Track Panel 10.6 Slab Concreting 10.7 Welding and Fastening-down of Turnout Rails
11 Laying of Slab Trackin Turnout Area 11.1 General Requirements 11.2 Casting of Concrete Base and Negative Cams 11.3 Survey of Track Reference Point 11.4 Laying of Isolation Layer and Elastic Buffer Cushion 11.5 Laying of Turnout Slab 11.6 Laying of Self-compacting Concrete Layer 11.7 Construction of Switching Equipment Foundation …… 12 Ballast Installation 13 Turnout Laying on Ballasted Track 14 Laying of Rail Expansion Joint 15 Construction of Transition Section 16 Laying of Sealing Layers between Tracks and on Both Sides 17 Laying of Continuously Welded Rail (CWR) Track 18 Fine Adjustment of Track 19 Pre-grinding of Rail 20 Setting of Signs and Markers Appendix A Tables Used for Track Construction Words Used for Different Degrees of Strictness
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