Field Measurement and Analysis of Wind Characteristics at Xuefenghu Bridge Site

Authors

YU Wenhao, CCCC Second Harbor Engineering Company Ltd ., Wuhan , Hubei 430040 , ChinaFollow
YI Lu, CCCC Second Harbor Engineering Company Ltd ., Wuhan , Hubei 430040 , China

Abstract

Wind field parameters at bridge sites serve as an important basis for wind-resistant bridge design.The terrain surrounding the Xuefenghu Bridge is unique-mountains flank both sides in the bridge-aligned direction,and the bridge spans the wide surface of the Zhexi Reservoir.In order to investigate the wind field characteristics under such complex topographic conditions,an observation,acquisition,and wireless data transmission system was established at the bridge site.A one-year in-situ wind measurement campaign was conducted,and the characteristics of average wind and fluctuating wind were deeply analyzed.The results show that the average wind speed at the bridge site generally follows a Weibull distribution,and the average wind direction is mainly eastward.For high wind speed events (10-minute average wind speed exceeding 5 m/s),the wind attack angle ranges from ‒ 6.37° to ‒ 1.72°.Turbulence intensity and gust factor both follow a log-normal distribution,and there is an obvious linear relationship between them.The average turbulence intensities in the downwind direction,crosswind direction,and vertical direction are 0.224 70,0.204 06,and 0.132 29,respectively,yielding a ratio of 1∶0.908∶0.589,which exceeds the recommended value in the Wind-Resistant Design Specification for Highway Bridges (JTG/T 3360 -01—2018 ).The gust factor becomes more concentrated with the increase of wind speed.The measured turbulence integral scales in the downwind direction,crosswind direction,and vertical direction are about 113 m,110 m,and 44 m,respectively and obey a log-normal distribution.For the power spectral density,the measured turbulence spectrum in the downwind direction matches the standard spectrum well in the high-frequency range but exceeds it in the low-frequency range;the vertical spectrum remains consistently higher than the standard across all frequencies.These findings demonstrate that the wind characteristics at this reservoir-mountain terrain bridge site,especiall y in terms of turbulence intensity and power spectral density,significantly deviate from code-recommended values.

Publication Date

8-15-2025

DOI

10.14048/j.issn.1671-2579.2025.04.016

First Page

130

Last Page

137

Submission Date

August 2025

Recommended Citation

Wenhao, YU and Lu, YI (2025) "Field Measurement and Analysis of Wind Characteristics at Xuefenghu Bridge Site," Journal of China & Foreign Highway: Vol. 45: Iss. 4, Article 16.
DOI: 10.14048/j.issn.1671-2579.2025.04.016
Available at: https://zwgl1980.csust.edu.cn/journal/vol45/iss4/16

Reference

[1]许福友,周晶.山区桥址风场特性研究综述 [J].防灾减灾工程学报,2017,37(3):502-510.XU Fuyou,ZHOU Jing.Review on the characteristics of wind fields at bridge site in mountainous areas [J].Journal of Disaster Prevention and Mitigation Engineering,2017,37(3):502-510.
[2]禹争华.悬挑人行道对某 PK梁斜拉桥抗风性能的影响试验研究 [J].中外公路,2023,43(4):131-136.YU Zhenghua.Experimental study on the influence of cantilevered sidewalk on the wind resistance of a cable-stayed bridge with PK girder [J].Journal of China & Foreign Highway,2023,43(4):131-136.
[3]陈泓欣,曾加东,张志田.风速概率分布模型在桥梁基本风速计算中的应用 [J].中外公路,2023,43(5):78-83.CHEN Hongxin,ZENG Jiadong,ZHANG Zhitian.Application of wind speed probability distribution models in calculation of basic wind speed of bridge [J].Journal of China & Foreign Highway,2023,43(5):78-83.
[4]曹锋,郑明杰,马鹏,等.多跨加劲梁悬索桥非线性静风稳定性分析 [J].中外公路,2022,42(4):87-92.CAO Feng,ZHENG Mingjie,MA Peng,et al.Stability analysis of nonlinear static wind on multi-span stiffened girder suspension bridge [J].Journal of China & Foreign Highway,2022,42(4):87-92.
[5]WANG J,LI J W,WANG F,et al.Research on wind field characteristics measured by lidar in a U-shaped valley at a bridge site [J].Applied Sciences,2021,11(20):9645.
[6]LYSTAD T M,FENERCI A,OLE Ø.Evaluation of mast measurements and wind tunnel terrain models to describe spatially variable wind field characteristics for long-span bridge design [J].Journal of Wind Engineering and Industrial Aerodynamics,2018,179:558-573.
[7]BASTOS F,CAETANO E,CUNHA Á,et al.Characterisation of the wind properties in the grande ravine viaduct [J].Journal of Wind Engineering and Industrial Aerodynamics,2018,173:112-131.
[8]徐曼,郭薇薇,夏禾,等.大跨度公铁两用斜拉桥三维风速场实测与模拟 [J].哈尔滨工业大学学报,2019,51(3):107-113.XU Man,GUO Weiwei,XIA He,et al.3D wind field measurement and simulation of a long-span cable-stayed rail-cum-road bridge [J].Journal of Harbin Institute of Technology,2019,51(3):107-113.
[9]YU C J,LI Y L,ZHANG M J,et al.Wind characteristics along a bridge catwalk in a deep-cutting gorge from field measurements [J].Journal of Wind Engineering and Industrial Aerodynamics,2019,186:94-104.
[10]REN W M,PEI C,MA C M,et al.Field measurement study of wind characteristics at different measuring positions along a bridge in a mountain valley [J].Journal of Wind Engineering and Industrial Aerodynamics,2021,216:104705.
[11]黄国庆,彭留留,廖海黎,等.普立特大桥桥位处山区风特性实测研究 [J].西南交通大学学报,2016,51(2):349-356.HUANG Guoqing,PENG Liuliu,LIAO Haili,et al.Field measurement stud y on wind characteristics at Puli great bridge site in mountainous area [J].Journal of Southwest Jiaotong University,2016,51(2):349-356.
[12]ZHANG J X,ZHANG M J,LI Y L,et al.Comparison of wind characteristics in different directions of deep-cut gorges based on field measurements [J].Journal of Wind Engineering and Industrial Aerodynamics,2021,212:104595.
[13]郭增伟,袁航,王小松.青草背长江大桥桥位风速脉动特性实测分析 [J].华中科技大学学报 (自然科学版 ),2018,46(5):121-126.GUO Zengwei,YUAN Hang,WANG Xiaosong.Field measurement analysis of wind turbulence characteristics at bridge site of Qingcaobei Yangtze River [J].Journal of Huazhong University of Science and Technology (Natural Science Edition ),2018,46(5):121-126.
[14]郭增伟,袁航,王小松.三峡库区青草背长江大桥桥位风速非平稳特性研究 [J].建筑结构学报,2019,40(11):11-18.GUO Zengwei,YUAN Hang,WANG Xiaosong.Field measurement of non-stationary characteristics at site of Qingcaobei Yangtze River Bridge in Three Gorges [J].Journal of Building Structures,2019,40(11):11-18.
[15]王云飞,汪斌,李永乐.水库蓄水对山区桥址风特性的影响[J].西南交通大学学报,2018,53(1):95-101,145.WANG Yunfei,WANG Bin,LI Yongle.Influence of reservoir water storage on wind characteristics over bridge site in mountainous area [J].Journal of Southwest Jiaotong University,2018,53(1):95-101,145.
[16]邹云峰,康星辉,周帅,等.高海拔深切峡谷桥址风场特性实测研究 [J].工程力学,2023,40(5):69-78,92.ZOU Yunfeng,KANG Xinghui,ZHOU Shuai,et al.Field measurement study on wind characteristics a tbridge site in deep gorge with high altitude [J].Engineering Mechanics,2023,40(5):69-78,92.
[17]SHU Z R,LI Q S,HE Y C,et al.Gust factors for tropical cyclone,monsoon and thunderstorm winds [J].Journal of Wind Engineering and Industrial Aerodynamics,2015,142:1-14.
[18]GUO F Q,WANG P J.Measurement and analysis of the longitudinal level irregularity of the track beam in monorail tour-transit systems [J].Scientific Reports,2022,12(1):19219.