王孟;耿景都;苏志钢;王璋奇;

• 1:华北电力大学能源动力与机械工程学院
• 2:中国电力科学研究院

摘要(Abstract)：

研究了特高压钢管塔的主材、斜材、横隔材及辅助材等的受力特点,将特高压钢管塔简化成桁梁混合有限元建模,分析了钢管塔结构有限元建模原则和方法。建立了某1 000 kV特高压钢管塔的桁梁混合有限元模型,通过施加特定载荷工况,验证了所建有限元模型的合理性。分析计算了大风工况、覆冰组合工况等典型加载工况下的钢管塔载荷-变形规律,得到特高压钢管塔关键受力塔材的应力及重要节点的位移等随试验加载的变化规律,并将模型的计算结果与该塔的真型塔实验结果进行了对比分析。结果表明,所建立的特高压钢管塔的桁梁混合模型是有效的,模型计算结果和真型塔的实验结果符合很好。

关键词(KeyWords)： 特高压;钢管塔;真型试验;有限元分析

Abstract:

Keywords:

基金项目(Foundation): 国家电网有限公司科技项目(GCB17201800181)

作者(Author): 王孟;耿景都;苏志钢;王璋奇;

Email:

DOI:

参考文献(References)：

• [1]周新华．高压输电铁塔结构强度分析[D]．保定:华北电力大学,2003．
• [2]王剑,王璋奇,冯砚厅．在役高压输电铁塔结构振动实测与分析[J]．华北电力大学学报(自然科学版),2016,43(2):62-65.WANG Jian,WANG Zhangqi,FENG Yanting.Measurement and analysis of structure vibration of in-service high voltage transmission tower[J].Journal of North China Electric Power University(Natural Scrence Edition),2016,43(2):62-65．
• [3]彭家宁,张栋梁,赵高煜,等．覆冰输电塔线体系风载荷影响因素分析[J]．固体力学学报,2014,35(S1):208-214.PENG Jianing,ZHANG Dongliang,ZHAO Gaoyi,et al.Analysis on influencing factors of wind load of ice transmission tower-line system[J].Chinese Journal of Solid Mechanics,2014,35(S1):208-214．
• [4]袁俊,王虎长,胡建民,等．1 000 k V大跨越输电线路钢管塔风振响应及振动控制研究[J]．西安建筑科技大学学报(自然科学版),2014,46(3):360-366.YUAN Jun,WANG Huchang,HU Jianmin,et al.Wind-induced dynamic response and vibration control of steel tubular tower in the 1 000 k V large span crossing transmission line[J].Journal of Xi’an University of Architecture&Technology,2014,46(3):360-366．
• [5]杨振宇,谢强,何清清,等．特高压多回路钢管塔体型系数风洞试验研究[J]．工业建筑,2019,49(4):1-7.YANG Zhenyu,XIE Qiang,HE Qingqing,et al.Wind tunnel tests on shape coefficient of a multi-circuit UHVsteel tubular transmission tower[J].Industrial Construction,2019,49(4):1-7．
• [6]杨靖波,韩军科,李茂华,等．特高压输电线路钢管塔计算模型的选择[J]．电网技术,2010,34(1):1-5.YANG Jingbo,HAN Junke,LI Maohua,et al.Selection of calculation model for steel tubular tower of UHVpower transmission line[J].Power System Technology,2010,34(1):1-5．
• [7]王孟,陈学辉．高压输电钢管塔柔性法兰承载性能的有限元分析[J]．华北电力大学学报(自然科学版),2015,42(5):66-71.WANG Meng,CHEN Xuehui.Finite element analysis on bearing performance of flexible flange joint in steel tubular transmission tower[J].Journal of North China Electric Power University(Natural Science Edition),2015,42(5):66-71．
• [8]陈学辉．特高压钢管塔用柔性法兰结构强度分析[D]．保定:华北电力大学,2015．
• [9]汪楚清,郭咏华,孙清,等．Q690钢管塔柔性法兰极限承载力试验研究及有限元分析[J]．工程力学,2013,30(3):206-213.WANG Chuqing,GUO Yonghua,SUN Qing,et al.Experimental and numerical analyses on the ultimate bearing capacity of Q690 flange joint used in steel tube towers[J].Engineering Mechanics,2013,30(3):206-213．
• [10]黄誉,邓洪洲,金晓华．钢管杆中刚性法兰的有限元分析[J]．特种结构,2008,25(2):3-5.HUANG Yu,DENG Hongzhou,JIN Xiaohua.A finite element analysis of flange joints with stiffening rib in steel transmission poles[J].Special Structures,2008,25(2):3-5．
• [11]PRASAD RAO N,SAMUEL KNIGHT G,MOHAN S,et al.Studies on failure of transmission line towers in testing[J].Engineering Structures,2012,35:55-70．
• [12]王璋奇,张益国,岑添添．窄基钢管塔振动特性的有限元分析[J]．电力科学与工程,2019,35(8):30-35.WANG Zhangqi,ZHANG Yiguo,CEN Tiantian.Finite element analysis of vibration characteristics of narrow base tubular transmission tower[J].Electric Power Science and Engineering,2019,35(8):30-35．
• [13]李茂华,董建尧,杨靖波,等．特高压双回路钢管塔真型试验[J]．中国电机工程学报,2009,34(12):102-107.LI Maohua,DONG Jianyao,YANG Jingbo,et al.Fullscale test for tubular steel tower applied in UHV ACdouble-circuit transmission line[J].Proceedings of the CSEE,2009,34(12):102-107.