国家能源局公告

前　言

1　总　则

2　术语和符号

• 2.1　术　语

• 2.2　符　号

3　荷　载

• 3.1　一般规定

• 3.2　正常运行情况

• 3.3　断线情况

• 3.4　不均匀覆冰情况

• 3.5　安装情况

• 3.6　验算情况

• 3.7　导线及地线线条风荷载的标准值

• 3.8　杆塔风荷载的标准值

• 3.9　绝缘子串风荷载的标准值

4　材　料

5　设计基本规定

• 5.1　计算的基本规定

• 5.2　杆塔结构基本规定

6　构件计算及断面选择

• 6.1　铁塔构件计算及断面选择

• 6.2　环形截面钢筋混凝土电杆的计算

• 6.3　环形截面预应力混凝土电杆的计算

7　连接计算

• 7.1　螺栓连接

• 7.2　焊缝连接

• 7.3　节点板连接

• 7.4　插入角钢连接

• 7.5　塔脚板

• 7.6　受拉构件的块剪

• 7.7　组合角钢填板计算

8　构造要求

• 8.1　一般要求

• 8.2　连接构造

• 8.3　环形截面钢筋混凝土电杆

9　附属设施

10　环境保护

附录A　塔身斜材的埃菲尔效应和最小承载力要求

附录B　桁架内力分析简化表

附录C　杆塔轴心受压构件稳定系数φ

附录D　环形截面混凝土电杆斜截面承载力计算

本标准用词说明

引用标准名录

1　General provisions

2　Terms and symbols

• 2.1　Terms

• 2.2　Symbols

3　Load

• 3.1　General requirement

• 3.2　Normal operation

• 3.3　Wire breakage

• 3.4　Non-uniform ice

• 3.5　Installation

• 3.6　Checking

• 3.7　Characteristic value of wind load for conductor and ground wire

• 3.8　Characteristic value of wind load for tower and pole structures

• 3.9　Characteristic value of wind load of insulator string

4　Material

5　General provisions of design

• 5.1　General provisions of calculation

• 5.2　General provisions for tower and pole structures

6　Calculation of member and selection of cross-section

• 6.1　Calculation of tower members and selection of cross-section

• 6.2　Calculation of circular sectional reinforced concrete pole

• 6.3　Calculation of circular sectional pre-stressed concrete pole

7　Calculation of connection

• 7.1　Bolt connection

• 7.2　Weld connection

• 7.3　Node board connection

• 7.4　Stub angle connection

• 7.5　Tower footiing plate

• 7.6　Block shear of tensile component

• 7.7　Battern

8　Structure requirements

• 8.1　General requirement

• 8.2　Connection requirements

• 8.3　Circular sectional reinforced concrete pole

9　Accessories

10　Environmental protection

Appendix A　The eiffel effect and minimum capacity of cross bearings

Appendix B　Simplified analysis of truss

Appendix C　Stability cofficient（φ）of axial compression member of tower

Appendix D　Bearing capacity calculation of inclined sectional of circular sectional reinforced concrete pole

Explanation of wording in this code

List of quoted standards