输电线路耐张联板屈曲荷载试验研究  

Experimental Study on Buckling Load of Tensioned Couplet in Transmission Line

作　　者：孙运涛 张博 姚欢 刘泽辉 陶亚光 蔡道达 SUN Yun-tao;ZHANG Bo;YAO Huan;LIU Ze-hui;TAO Ya-guang;CAI Dao-da(Nanjing Electric Power Fittings Design and Research Institute Co.,Ltd,Jiangsu 211500;Electric Power Research Institute of State Grid Henan Electric Power Co.,Ltd,Zhengzhou 450000;Chongqing University,Chongqing 400044)

机构地区：[1]南京电力金具设计研究院有限公司,南京211500 [2]国网河南省电力公司电力科学研究院,郑州450000 [3]重庆大学,重庆400044

出　　处：《环境技术》2022年第3期10-15,共6页Environmental Technology

摘　　要：为研究特高压直流输电线路中大尺寸耐张联板的屈曲荷载,本文基于相似性理论,提出了耐张联板屈曲荷载的缩比模型试验研究方法。首先对典型耐张联板原始模型和比例模型的屈曲行为进行了数值模拟分析,验证了缩比模型方案的可行性。进一步对耐张联板缩比模型试样进行了屈曲拉伸试验,试验测得的耐张联板屈曲载荷与数值模拟结果一致,说明提出的耐张联板缩比模型试验研究方法可用于测量耐张联板的屈曲荷载。In order to study the buckling load of large-size tensioned couplet in UHVDC transmission lines,a scaling model test method for buckling load of tensioned couplet was proposed based on similarity theory.Firstly,the buckling behavior of the original model and the scale model of the typical tensioned sheet was simulated and analyzed,and the feasibility of the scale model was verified.Furthermore,the flexural and tensile tests were carried out on the specimens of the compression model,and the buckling load measured by the tests was consistent with the numerical simulation results,indicating that the proposed method can be used to measure the buckling load of the compression model.

关 键 词：输电线路 耐张联板 屈曲荷载 试验研究 缩比模型 

分 类 号：TB121[理学—工程力学]