|本期目录/Table of Contents|

[1]刘树堂.基于多波屈曲单元的输电铁塔结构抗风极限荷载分析[J].建筑科学与工程学报,2015,32(04):105-110.
　LIU Shu-tang.Analysis of Wind-resistant Limit Load of Transmission Line Steel Tower Based on Multi-wave Buckling Elements[J].Journal of Architecture and Civil Engineering,2015,32(04):105-110.
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基于多波屈曲单元的输电铁塔结构抗风极限荷载分析(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
32卷
期数:
2015年04期
页码:
105-110
栏目:
出版日期:
2015-07-21

文章信息/Info

Title:
Analysis of Wind-resistant Limit Load of Transmission Line Steel Tower Based on Multi-wave Buckling Elements
作者:
刘树堂
广州大学土木工程学院
Author(s):
LIU Shu-tang
School of Civil Engineering, Guangzhou University
关键词:
输电铁塔; 抗风极限荷载; 边缘屈服准则; 多波屈曲单元; 初弯曲
Keywords:
transmission line steel tower;  wind-resistant limit load;  margin yield criterion;  multi-wave buckling element;  initial curvature
分类号:
-
DOI:
-
文献标志码:
A
摘要:
为了有效预测输电铁塔结构抗风极限荷载，提出了一种多波屈曲单元来模拟辅助构件支撑的受力构件，按截面边缘屈服准则确定了多波屈曲单元的受压极限应力；对某110 kV鼓型直线输电铁塔结构抗风极限荷载进行了数值研究。研究结果表明：所提出的多波屈曲单元可有效考虑辅助构件的支撑作用和受力构件的初弯曲影响,结构建模时可不考虑辅助单元；该方法简单易行，可有效预测大型输电铁塔结构抗风极限荷载。
Abstract:
In order to effectively forecast the windresistant limit load of transmission line steel tower, a multiwave buckling element was proposed to simulate the stressed members subjected to secondary members. According to the criterion of section margin yield, the limit compression stress of the multiwave buckling elements was determined. The windresistant limit load was investigated numerically for a drumtype tangent transmission line steel tower of 110 kV. The study results show that the supporting effect of secondary members and the initial curvature of stressed members can be effectively taken into account using the multiwave buckling element, and the model of structure can exclude secondary members. The proposed method is simple and practicable, and can effectively estimate the windresistant limit load of a largescale transmission line steel tower.

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2015-07-21