输电塔单双角钢过渡节点计算方法

doi:10.6040/j.issn.1672-3961.0.2020.437

山东大学学报 (工学版) ›› 2021, Vol. 51 ›› Issue (1): 87-93.doi: 10.6040/j.issn.1672-3961.0.2020.437

输电塔单双角钢过渡节点计算方法

徐再根¹,刘正伟¹,刘文棚²,周梦瑶²,刘俊才²,田利^2*

1. 山东电力工程咨询院有限公司, 山东济南 250013;2. 山东大学土建与水利学院, 山东济南 250061

出版日期:2021-02-20 发布日期:2021-03-01
作者简介:徐再根(1980— ),男,山东莱州人,硕士,主要研究方向为输电线路结构设计与分析. E-mail:xuzaigen@sdepci.com. *通信作者简介:田利(1982— ),男,山东枣庄人,教授,博导,主要研究方向为结构防灾减灾. E-mail:tianli@sdu.edu.cn
基金资助:
国家自然科学基金面上项目(51778347);山东大学青年学者未来计划(2017WLJH33)

Calculation method of the single-double angle joints in transmission towers

XU Zaigen¹, LIU Zhengwei¹, LIU Wenpeng², ZHOU Mengyao², LIU Juncai², TIAN Li^2*

1. Shandong Electric Power Engineering Consulting Institute Co., Ltd., Jinan 250013, Shandong, China;
2. School of Civil Engineering, Shandong University, Jinan 250061, Shandong, China

Online:2021-02-20 Published:2021-03-01

摘要/Abstract

摘要： 为有效提高结构承载性能,在输电塔单肢角钢主材的下部采用组合双角钢的方法,依托输电线路实际工程,选取输电塔中5个典型的单双角钢过渡节点,利用ABAQUS软件建立精细化有限元模型,通过数值模拟分析过渡节点的传力机理和承载力特性,开展不同偏心距的过渡节点受力分析,提出考虑弯矩调整系数和弯矩强化系数为主要控制参数的水平板厚度计算公式。

关键词: 单双角钢过渡节点, 水平板, 输电塔, 数值模拟, 承载力

Abstract: The adoption of combined double angle steel in the lower part of single angle steel as the main material was a common method to effectively improve the bearing performance of the transmission tower, which was conducive to clarifying the force transmission path between variable sections while ensuring high material utilization. However, there were still lack of systematic research and blank in the calculation codes for such joints. Consequently, based on the actual project, 5 typical single-double angle steel joints were selected and modelled in ABAQUS software. The bearing capacity characteristics and force transmission mechanism of the joints were analyzed through numerical simulation. Considering that the bending moment was the main factor affecting the performance of the horizontal plate, different single-double angle steel joints were simulated by changing the eccentricity. The bending moment adjustment factor and the bending moment enhancement factor were raised as the main control parameters in the horizontal plate thickness calculation formula.

Key words: single-double angle steel joints, horizontal plate, transmission tower, numerical simulation, bearing capacity

中图分类号:

TU359

徐再根,刘正伟,刘文棚,周梦瑶,刘俊才,田利. 输电塔单双角钢过渡节点计算方法[J]. 山东大学学报 (工学版), 2021, 51(1): 87-93.

XU Zaigen, LIU Zhengwei, LIU Wenpeng, ZHOU Mengyao, LIU Juncai, TIAN Li. Calculation method of the single-double angle joints in transmission towers[J]. Journal of Shandong University(Engineering Science), 2021, 51(1): 87-93.

参考文献

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输电塔单双角钢过渡节点计算方法

Calculation method of the single-double angle joints in transmission towers

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