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Announcement of Ministry of Housing and Urban-Rural Development of the People’s Republic of China
Foreword
1 General
2 Terms and Symbols
2.1 Terms
2.2 Symbols
3 Routing
4 Meteorological Conditions
5 Conductor and Earthwire
6 Insulators and Fittings
7 Insulation Coordination，Lightning Protection and Earthing
8 Conductor Arrangement
9 Tower Type
10 Tower Load and Material
10.1 Tower Load
10.2 Structural Material
11 Tower Structure
11.1 General Provisions for Calculation
11.2 Calculation Expressions for Ultimate Limit State and Serviceability Limit State
11.3 General Provisions on Tower Structure
12 Foundation
13 Clearance to Ground and Other Facilities
14 Environmental Protection
15 Labor Safety and Industrial Hygiene
16 Accessories
Appendix A Typical Meteorological Areas
Appendix B Contamination Classification for High Voltage Overhead Transmission Line
Appendix C Reference Value of m1 for Various Insulator Types
Appendix D Relationship Between Span Length and Clearance of Horizontal Lines for Towers with Suspension Insulator Strings
Appendix E Calculating Density and Cone Angle of Soil for Uplift Foundation
Appendix F Classification of Telecommunication Line
Appendix G Classification of Road
Explanation of Wording in This Code
List of Quoted Standards
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