湖南大学学报(自然科学版)2026,Vol.53Issue(7):27-40,14.DOI:10.16339/j.cnki.hdxbzkb.2026058
安装景观灯具四索股吊索风致振动响应与控制
Wind-induced vibration responses and its control of four-cable hanger with landscape lighting lamps
摘要
Abstract
To study the wake-induced vibration caused by installing lighting fixtures on the multi-cable wire rope hangers of a long-span suspension bridge,taking the structural parameters of the four-cable wire rope hangers of Guangzhou Wanlong Bridge as the engineering background,a series of comprehensive wind tunnel tests were conducted through segmental models and three-dimensional aeroelastic models.First,a rigid segment model considering the lay length and lay angle was designed and manufactured to obtain the changes in the drag and lift coefficients of the cable with wind yaw angle(0°~360° at 3° intervals).Furthermore,computational fluid dynamics(CFD)numerical simulations were carried out and compared with the experimental results.Subsequently,a three-dimensional aeroelastic model based on actual wire rope material was manufactured,detailed wind tunnel tests were conducted focusing on yaw angle and wind speed,and additional tests with one and three spacers were conducted under the most unfavorable yaw angle.The results show that after the lighting fixtures are installed on the four-cable wire rope hangers of the Wanlong Bridge,the wake-induced vibration phenomenon is significant.The most unfavorable wind yaw angle is 120°,and the spacers exhibit a good suppression effect on the wake-induced vibration.关键词
悬索桥/四索股吊索/景观亮化灯具/尾流致振/气动稳定性/计算流体动力学Key words
suspension bridges/four-cable hangers/landscape lighting lamps/wake-induced vibration/aerody-namic stability/computational fluid dynamics分类
交通工程引用本文复制引用
刘志文,唐小明,梁倬贤,王存国,王志平..安装景观灯具四索股吊索风致振动响应与控制[J].湖南大学学报(自然科学版),2026,53(7):27-40,14.基金项目
国家自然科学基金资助项目(52178475),National Natural Science Foundation of China(52178475) (52178475)