上海交通大学学报

上海交通大学学报 >

2019 , Vol. 53 >Issue 9: 1066 - 1073

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2019.09.008

学报（中文）

双柱悬索拉线塔的精细化模拟及模型分析

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  • 1. 重庆大学 土木工程学院， 重庆 400045； 2. 重庆科技学院 建筑工程学院，重庆 401331； 3. 华北电力设计院工程有限公司， 北京 100120； 4. 国网新疆电力公司电力科学研究院， 乌鲁木齐 830011
聂小春(1990-)，男，四川省遂宁市人，博士生，主要研究方向为输电线路抗风.

网络出版日期: 2019-10-11

基金资助

国家自然科学基金资助项目(51478069，51778097)

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The Refined Simulation and Model Analysis of the Suspension Cable Guyed Tower

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  • 1. School of Civil Engineering, Chongqing University, Chongqing 400045, China; 2. School of Civil Engineering and Architecture, Chongqing University of Science and Technology, Chongqing 401331, China; 3. North China Power Engineering Co., Ltd., Beijing 100120, China; 4. Xinjiang Electric Power Research Institute, State Grid Corporation of China, Urumqi 830011, China

Online published: 2019-10-11

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摘要

基于有限元软件ANSYS，建立了双柱悬索拉线塔的壳单元精细化有限元模型和常规梁单元模型，在试验工况下模拟拉线塔主、斜材杆件应变随荷载加载等级的变化，并将两种模型的模拟结果与试验结果对比，同时也比较了两种有限元模型对结构整体响应的影响.结果表明：壳单元模型对拉线塔主、斜材应变的模拟结果均与试验结果吻合较好，梁单元模型对主材应变的模拟结果与试验结果吻合较好，对斜材应变的模拟结果与试验结果误差较大；上述两种有限元模型对双柱悬索拉线塔的宏观响应指标的影响较小，对杆件内力的影响较大.

关键词： 壳单元模型； 梁单元模型； 真型塔试验； 双柱悬索拉线塔

本文引用格式

聂小春，晏致涛，施菁华，游溢 . 双柱悬索拉线塔的精细化模拟及模型分析[J]. 上海交通大学学报, 2019 , 53(9) : 1066 -1073 . DOI: 10.16183/j.cnki.jsjtu.2019.09.008

Abstract

Based on the finite element software ANSYS, a beam element model and a refined shell element model of the suspension cable guyed tower was established. The variation of the strain of the members with the loading level are calculated by the above-mentioned two finite element models, and the calculation results of the two models are compared with the full-scale test results. At the same time, the influence of the above-mentioned two models on the overall response of the structure are also compared. The results show that the calculation results of the refined shell element model on the strain of the main and oblique members are in good agreement with the full-scale test results. The calculation results of the beam element model on the strain of the main members also agree well with the full-scale test results. However, there is a relatively large calculation error of oblique members’ strain in beam element model. The above-mentioned two finite element models have little effect on the overall response of the suspension cable guyed tower, but the effect on internal force of the members is relatively large.

Key words： shell element model; beam element model; full-scale test; suspension cable guyed tower

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