1 Scope
This standard specifies the terms and definitions, classification, technical requirements, inspection methods, inspection rules as well as packaging and marking of anchor channel for overhead contact system in electrification railway.
This standard is applicable to the anchor channel for overhead contact system in electrification railway. Reference may be made to this standard for similar channels used in urban rail transit. (hereinafter referred to as the channel)
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 90.2-2002 Fasteners - Marking and packaging
GB/T 197-2003 General purpose metric screw threads - Tolerances (ISO 965-1: 1998, MOD)
GB/T 247-2008 General rule of package, mark and certification for steel plates (sheets) and strips
GB/T 470-2008 Zinc ingots (ISO 752: 2004, MOD)
GB/T 700-2006 Carbon structural steels (ISO 630: 1995, NEQ)
GB/T 849-1988 Washers with ball face
GB/T 852-1988 Square taper washers for I section
GB/T 1229-2006 High strength large hexagon nuts for steel structures (ISO 4775: 1984, NEQ)
GB/T 2101-2008 General requirement of acceptance, packaging,marking and certification for section steel
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability)
GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts, screws and studs (ISO 898-1: 2009, MOD)
GB/T 3098.2-2000 Mechanical properties of fasteners—Nuts—Coarse thread (idt, ISO 898-2: 1992)
GB/T 3103.1-2002 Tolerances for fasteners - Bolts, screws, studs and nuts (ISO 4759-1: 2000, IDT)
GB 8624-2006 Classification for burning behavior of building materials and products (EN 13501-1: 2002, MOD)
GB/T 8923-1988 Rust grades and preparation grades of steel surfaces before application of paints and related products (ISO 8501-1: 1988, EQV)
GB/T 9978.1-2008 Fire-resistance tests－Elements of building construction－Part 1: General requirements (ISO 834-1: 1999, MOD)
GB/T 10125-1997 Corrosion tests in artificial atmospheres-Salt spray tests (ISO 9227: 1990, EQV)
GB/T 10801.1-2002 Moulded polystyrene foam board for thermal insulation (ISO/CD 4898: 1999, NEQ)
GB/T 13912-2002 Metallic coatings--Hot dip galvanized coatings on fabricated iron and steel articles--Specifications and test methods (ISO 1461: 1999, MOD)
GB/T 20878-2007 Stainless and heat-resisting steels - Designation and chemical composition
GB/T 26784-2011 Fire resistance test for elements of building construction - Alternative and additional procedures (EN 1363-2: 1999, MOD)
JB/ZQ 4080-2006 Specialized washers for high strength bolts
JB/T 9186-1999 Welding procedure specification for CO2 shielded arc welding
TB/T 2074-2010 Test methods of fittings for overhead contact system in electrification railway
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
channel
special section steel embedded in tunnel lining for fixing overhead contact system davit and additional wire brackets and other equipment
3.2
anchor
anchor bolt that effectively consolidates the linings of the channel and the tunnel and transmits external force to the lining concrete
3.3
T-bolt
connecting bolt between the baseplate of overhead contact system davit and the channel in tunnel
3.4
twisting
rotational deformation generated along the length direction of the channel during channel processing
3.5
dovetail hook
channel forming process, with the hook bevel used to lock the T-bolt
3.6
fold
linear deformation generated on all sides of the channel during production
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Technical requirements
6 Inspection method
7 Inspection rules
8 Packaging, marking, transport and storage
