Cause Analysis and Countermeasure Research on K joint Deformation of Angle steel Tower

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Cause Analysis and Countermeasure Research on K joint Deformation of Angle steel Tower

更新时间：2026-02-13

- Cause Analysis and Countermeasure Research on K joint Deformation of Angle steel Tower
- Vol. 45, Issue 3, Pages: 66-72(2022)
- 作者机构：
  
  中国电力工程顾问集团西南电力设计院有限公司
- 作者简介：
- 基金信息：
- DOI：
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- Published：2022
- 稿件说明：
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GU Liangyu. Cause Analysis and Countermeasure Research on K joint Deformation of Angle steel Tower[J]. 2022, 45(3): 66-72.
DOI：

GU Liangyu. Cause Analysis and Countermeasure Research on K joint Deformation of Angle steel Tower[J]. 2022, 45(3): 66-72. DOI：

摘要

酒杯塔和猫头塔在单回交流输电线路中广泛应用，曲臂K节点属于刚度相对薄弱点，文中以某500 kV交流输电线路工程猫头塔曲臂K节点变形统计情况为例，从设计、加工、施工三方面对曲臂K节点变形原因进行了深入分析，提出了合适的结构措施和施工要求，经过某新建工程验证，控制措施效果显著，值得在今后的铁塔设计、施工中借鉴采用。

Abstract

Cup tower and cathead tower are widely used in single circuit AC transmission lines

but the K-joint of crank arm is a relatively weak point in stiffness. Taking the deformation statistics of the K-joint of crank arm in cathead tower in a 500 kV AC transmission line project for example

the deformation causes of the K-joint of crank arm are analyzed from three aspects of design

processing and construction

and the appropriate structural measures and construction requirements are put forward. Through the verification of a new project

the effect of the control measures is remarkable

which is worthy of reference in the future tower design and construction.

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