Item | Temperature (ºC) | Wind speed (m/s) | Ice thickness (mm) |
Max. temperature | 40 | 0 | 0 |
Mini. temperature | -20 | 0 | 0 |
Ice thickness | -5 | 10 | 15 |
Basic wind speed | -5 | 23.5 | 0 |
Installation condition | -10 | 10 | 0 |
Annual temperature | 15 | 0 | 0 |
Lightning overvoltage | 15 | 10 | 0 |
Operation overvoltage | 15 | 15 | 0 |
Hot-line work | 15 | 10 | 0 |
Tower type | Nominal Height scope (mm) | Nominal Height (mm) | Horizontal span (m) | Vertical Span (m) | Angle º | Insulator Type | Horizontal Span at angel condition |
1F6-SZK | 39~51 | 51 | 400 | 500 | I type In | / | |
Conductor type: 2×LGJ -300/40 | OPGW: JLB-100 |
Tower Type | Tower weight scope (kg) | Foundation force scope (KN) | |||||
Tmax | Tx | Ty | Nmax | Nx | NY | ||
1F6-SZK | 12754~17098 | 443~485 | 39~52 | 38~51 | 609~640 | 53~56 | 51~54 |
Steel material | Anti-push, bending and press strength (N/mm2) | Anti-shear strength (N/mm2) | |
Grade | Thickness or diameter (mm) | ||
Q235 Steel | ≤16 | 215 | 125 |
>16~40 | 205 | 120 | |
>40~60 | 200 | 115 | |
>60~100 | 190 | 110 | |
Q345 Steel | ≤16 | 310 | 180 |
>16~35 | 295 | 170 | |
>35~50 | 265 | 155 | |
>50~100 | 250 | 145 | |
Q420 Steel | ≤16 | 380 | 220 |
>16~35 | 360 | 210 | |
>35~50 | 340 | 195 | |
>50~100 | 325 | 185 | |
Q460 Steel | ≤16 | 415 | 240 |
>16~35 | 395 | 230 | |
>35~50 | 380 | 220 | |
>50~100 | 360 | 210 |
Item | Grade | Anti-push strength (N/mm2) | Anti-shear strength (N/mm2) |
Fastener for towers | 4.8 | 200 | 170 |
5.8 | 240 | 210 | |
6.8 | 300 | 240 | |
8.8 | 400 | 300 | |
Anchor bolts | Q235 | 160 | / |
Chinese 35 steel | 190 | / | |
Chinese 45 steel | 215 | / |
No | Code | DESCRIPTION |
1 | GB/T2694-2003 | Power Transmission line Steel tower - Technical requirements for manufacturing |
2 | JGJ81-2002 | Technical specification for welding for steel structure of building |
3 | GB9787-88 | Measuring and allowable tolerance for hot-rolled equal angle |
4 | GB709-88 | Measuring and allowable tolerance for hot-rolled plate and strip |
5 | GB/T699-1999 | Quality Carbon Structural Steel |
6 | GB/T1591-1994 | Low alloy high strength structural Steel |
7 | GB700-88 | Carbon Structural Steel |
8 | GB222-84 | Method of sampling steel for determination of chemical composition and permissible variations |
9 | GB/T228-2002 | Method for Tensile testing of metals |
10 | GB/T232-1999 | Method for Bending test of metals |
11 | GB/T5117-1995 | Carbon Welding Rod |
12 | GB/T5118-1995 | Low Alloy Welding Rod |
13 | GB/T8220-1995 | Welding wires for gas shielding arc welding of carbon and low alloy steels |
14 | GB/T10045-2001 | Carbon steel flux cored electrodes for arc welding |
15 | JB/T7949-1999 | Weld outer dimensions for steel construction |
16 | GB50205-2001 | Test Standard for Acceptance of Steel Structure |
17 | GB/T470-1997 | Zinc Ingot |
18 | GB3098.1-2000 | Mechanical properties of fasteners-Part 1:Bolts, screws and studs |
19 | GB3098.2-2000 | Mechanical properties of fasteners-Part2: Nuts, and thread |
20 | GB3098.3-2000 | Mechanical properties of fasteners-Part3: Fastening screw |
21 | GB/T5780-2000 | Helical Bolts Grade C |
22 | GB/T41-2000 | Helical Nuts Grade C |
23 | GB/T90-2002 | Flat Washer Grade C |
24 | GB/T13912-2002 | Metal Coating, Technical Requirement and Test Method for Hot-dip galvanized Metal Parts |
Standard | Description |
ASTM A6/A6M | Standard specification for general requirements for rolled structural steel bars, plates, and sheet piling. |
ASTM - 6 | - General Requirements for delivery of Rolled Steel Plates, Shapes, sheet Piling Bars for structural used |
ASTM A36/A36-M-97a | Standard specification for Carbon structural steel |
ASTM A123 / A123M-02 | Standard specification for Zinc (Hot-Dip Galvanized) Coatings on iron and steel products |
ASTM A143 / A143M-03 | Standard Practise for Safeguarding Against Embitterment of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embitterment |
ASTM A153/ A153M-05 | Standard specification for zinc coating (Hot-Dip) on iron and steel hardware |
ASTM A - 194 | - Grade for bolt |
ASTM A239 | Standard practice for locating the thinnest spot in a zinc (Galvanized) Coating on Iron or Steel Articles |
ASTM A242 | Standard specification for High-Strength Low-Alloy Structural steel |
ASTM A307 | Standard Specification for Carbon Steel Bolts and Studs, 60000 PSI Tensile strength |
ASTM A370-06 | Standard Test Methods and Definitions for Mechanical Testing of Steel Products |
ASTM A325 | Standard Specification for structural bolts, steel, Heat treated 120/105 ksi minimum tensile strength |
ASTM A-325 or A-354 | - Galvanized hexagonal head of connection bolt |
ASTM A325-97 | Standard Specification for High-strength Bolts for structural steel Joints |
ASTM A384 / A384M-02 | Standard Practise for Safeguarding Against Warpage and Distortion During Hot-Dip Galvanizing of Steel Assemblies. |
ASTM A394-93 | Standard Specification for steel Transmission Tower, Bolts, Zinc Coated and Bare |
ASTMA - 563 | - Class and size of nuts |
ASTMA - 572 | - Chemical composition of steel |
ASTM A572/A572-97c | Standard specification for High-Strength Low-Alloy Columbium-Vanadium Structural steel |
ASTMA - 615 | - The anchor bolt material |
ASTM A673 / A673M-07 | Standard Specification for Sampling Procedure for Impact Testing of Structural Steel |
ASTM B201 | Standard practice for testing Chromatic coating on Zinc and Cadmium surfaces |
ASTM E94-93 | Standard Guide for Radiographic Testing |
ASTM E 709-95 | Standard Guide for Magnetic Particle Examination |
ASCE Manual 72 | - Load testing a simple structure |
ASCE 10-97 | Standard Design of latticed steel transmission structures |
AWS D1.1 | American Welding Society D1,1/D1,1M structural Welding code- Steel |
ANSI B-182-2 | Bolts, nuts and washers dimensions |