Hot-extruded PE protection paralleled high strength wire cable for cable-stayed bridge
1 Scope
This standard specifies the classification, product structure, specifications and models, technical requirements, test methods, inspection rules as well as requirements of marking, packaging, transportation and storage of hot-extruded PE protection paralleled high strength wire cables for cable-stayed bridge.
This standard is applicable to the production, inspection and use of hot-extruded PE protection paralleled high strength wire cables for cable-stayed bridge.
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 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 231.1 Metallic materials - Brinell hardness test - Part 1: Test method
GB/T 238 Metallic materials - Wire - Reverse bend test
GB/T 239.1 Metallic materials - Wire - Part 1: Simple torsion test
GB/T 470 Zinc ingots
GB/T 699 Quality carbon structure steels
GB/T 1839 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products
GB/T 2972 Test method for uniformity of zinc coating on zinc-coated steel wire by the copper sulphate dip
GB/T 2976 Metallic materials - Wire - Wrapping test
GB/T 3077 Alloy structure steels
GB/T 4162-2008 Forged and rolled steel bars - Method for ultrasonic testing
GB/T 4237 Hot rolled stainless steel plate, sheet and strip
GB/T 4956 Non-magnetic coatings on magnetic substrates - Measurement of coating thickness - Magnetic method
GB/T 5796.1 Trapezoidal screw threads - Part 1: Profiles
GB/T 5796.3 Trapezoidal screw threads - Part 3: Basic dimensions
GB/T 5796.4 Trapezoidal screw threads - Part 4: Tolerances
GB/T 6402-2008 Steel forgings - Method for ultrasonic testing
GB/T 9352 Plastic - Compression moulding of test specimens of thermoplastic materials
GB/T 9439 Grey iron castings
GB/T 17101 Hot-dip galvanized steel wires for bridge cables
GB/T 20492 Zinc-5% aluminum-mixed mischmetal alloy-coated steel wire and steel wire strand
GB/T 22315 Metallic materials - Determination of modulus of elasticity and poissons ratio
CJ/T 297 High density polyethylene sheathing compounds for bridge cable
HG/T 3949 Masking tape
NB/T 47013.4-2015 Nondestructive testing of pressure equipment - Part 4: Magnetic particle testing
YB/T 036.7 General specifications for metallurgical equipment manufacturing - Forgings
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1.1
hot-extruding PE protection high strength wire cable
wire strands made from high strength galvanized or zinc-aluminum alloy wires (hereinafter referred to as wires) which are tightly arranged according to regular hexagon or regular hexagon with missing angle with twist angle of 2° to 4°, based on the predetermined length and specification requirements, wrapped with high strength PE fiber band after twisting slightly to the left and then to the right and covered with hot-extruding high-density PE sheath outside the wire via a plastic extruder
3.1.2
finished cable
hot-extruding PE wire cables with both ends poured and anchorage installed
3.1.3
anchorage
anchor devices used to maintain the tension of finished cables and transfer the tension to bridge structures, divided into two types of anchorage at tension end and anchorage at fixed end
3.1.4
nominal breaking load of the cable
GB/T 18365-2018 The following standards are cited：
