•  
  •  
 

Corresponding Author

雷冬，男，博士，教授，博士生导师.E-mail：leidong@hhu.edu.cn

Abstract

The structural safety of highway bridges plays a crucial role in traffic safety operations and regional economic development.Due to the rapid increase and complex changes in traffic loads，the demand for real-time monitoring of bridge ’s structural deformation and safety conditions has been increasingly prominent.However，the structural health monitoring system，dominated by contact sensors，has limitations such as difficult installation and construction，complicated maintenance and replacement，and the need to interrupt traffic.To this end，a non-contact deformation measurement system based on machine vision was proposed.Template matching and feature point recognition methods were utilized to achieve recognition of structural surface markings and displacement extraction of key positions.The accuracy and stability of visual methods were tested through laboratory and on-site experiments.In addition，a corresponding finite element model was built for the actual operation status of the bridge structure，and the multi-level warning threshold was set through the dynamic and static mechanical experiments to further determine the safety status of the structure.The experimental results show as follows.① The displacement measurement error of the established visual deformation measurement system is within 5%，and the error of vibration frequency is within 1%；② Measurement techniques based on template matching and feature point recognition can recognize the inherent features of structures，and meet the needs of long-term deformation monitoring；③ Through finite element analysis under multiple working conditions，warning thresholds can be set for long-term displacement monitoring of structures.

Publication Date

10-28-2024

DOI

10.14048/j.issn.1671-2579.2024.05.028

First Page

248

Last Page

258

Submission Date

February 2025

Reference

[1]吴海军 ,陈泓玮 ,屈浩然 .中小跨混凝土梁桥和大跨径桥梁健康监测差异初探 [J].中外公路 ,2021 ,41(4): 157-163.WU Haijun ,CHEN Hongwei ,QU Haoran .Preliminary study on health monitoring differences between small-to-medium span concrete beam bridges and long-span bridges[J].Journal of China & Foreign Highway ,2021 ,41(4): 157-163.
[2]杨志峰 ,曾国良 ,江祥林 .基于挠度指标的中小跨径桥梁健康监测系统设计 [J].中外公路 ,2018 ,38(6): 162-166.YANG Zhifeng ,ZENG Guoliang ,JIANG Xianglin .Study on designing health monitoring system for short-to-medium span bridges based on deflection index [J].Journal of China & Foreign Highway ,2018 ,38(6): 162-166.
[3]BREUER P ,CHMIELEWSKI T ,GÓRSKI P ,et al .Application of GPS technology to measurements of displacements of high-rise structures due to weak winds[J].Journal of Wind Engineering and Industrial Aerodynamics ,2002 ,90(3): 223-230.
[4]韩怡天 ,冯东明 ,吴刚 .基于机器视觉与无人机的结构动位移测量方法 [J].振动与冲击 ,2022 ,41(19): 1-7.HAN Yitian ,FENG Dongming ,WU Gang .Measurement method of structural dynamic displacement based on machine vision and UAV [J].Journal of Vibration and Shock ,2022 ,41(19): 1-7.
[5]叶肖伟 ,董传智 .基于计算机视觉的结构位移监测综述[J].中国公路学报 ,2019 ,32(11): 21-39.YE Xiaowei ,DONG Chuanzhi .Review of computer vision-based structural displacement monitoring [J].China Journal of Highway and Transport ,2019 ,32(11): 21-39.
[6]DU W K ,LEI D ,BAI P X ,et al .Dynamic measurement of stay-cable force using digital image techniques [J].Measurement ,2020 ,151: 107211 .
[7]谢海波，朱玮峻，张璧，等.面向高强度螺栓检测的YOLOv 5-Ganomaly 联合算法研究 [J].中外公路 ，2024 ,44（4） ：171-179.XIE Haibo ，ZHU Weijun ，ZHANG Bi ，et al .Research on YOLOv 5-Ganomaly joint algorithm for high-strength bolt detection [J].Journal of China & Foreign Highway ,2024，44(4):171-179.
[8]王平让，黄宏伟，薛亚东 .隧道衬砌裂缝机器视觉检测系统研制与应用 [J].公路 ,2022 ,67(10):439-446.WANG Pingrang ,HUANG Hongwei ,XUE Yadong .Development and application of machine vision detection system for tunnel lining cracks [J].Highway ,2022 ,67(10):439-446.
[9]JÁUREGUI D V ,WHITE K R ,WOODWARD C B ,et al .Noncontact photogrammetric measurement of vertical bridge deflection [J].Journal of Bridge Engineering ,2003 ,8(4): 212-222.
[10]LEE J J ,SHINOZUKA M .Real-time displacement measurement of a flexible bridge using digital image processing techniques [J].Experimental Mechanics ,2006 ,46(1): 105-114.
[11]陈伟欢 ,吕中荣 ,陈树辉 ,等.基于数码摄像技术的高耸结构动态特性监测 [J].振动与冲击 ,2011 ,30(7): 5-9.CHEN Weihuan ,LYU Zhongrong ,CHEN Shuhui ,et al .Monitoring dynamic characteristics of a highrise structure based on digital camera technology [J].Journal of Vibration and Shock ,2011 ,30(7): 5-9.
[12]王翔 ,钟继卫 ,王波 .桥梁动态挠度图像识别测试技术研究[J].世界桥梁 ,2015 ,43(3): 59-62.WANG Xiang ,ZHONG Jiwei ,WANG Bo .Study of bridge dynamic deflection identification and testing technique based on image processing [J].World Bridges ,2015 ,43(3): 59-62.
[13]FENG M Q ,FUKUDA Y ,FENG D M ,et al .Nontarget vision sensor for remote measurement of bridge dynamic response [J].Journal of Bridge Engineering ,2015 ,20(12): 59-62.
[14]KIM J ,JEONG Y ,LEE H ,et al .Marker-based structural displacement measurement models with camera movement error correction using image matching and anomaly detection [J].Sensors ,2020 ,20(19): 5676 .
[15]谢鵾 ,雷冬 ,杜文康 ,等.不同激励下基于边缘检测方法的多根拉索振动频率的同步测量 [J].实验力学 ,2022 ,37(1): 41-51.XIE Kun ,LEI Dong ,DU Wenkang ,et al .Determination of optimal point for stay-cable vibration measurement by edge detection [J].Journal of Experimental Mechanics ,2022 ,37(1): 41-51.
[16]CHU X ,ZHOU Z X ,DENG G J ,et al .An overall deformation monitoring method of structure based on tracking deformation contour [J].Applied Sciences ,2019 ,9(21): 4532 .
[17]张杰 ,白鹏翔 ,杜文康 ,等.基于数字图像方法的桥梁移动荷载识别 [J].河南科学 ,2022 ,40(11): 1728 -1735 .ZHANG Jie ,BAI Pengxiang ,DU Wenkang ,et al .Dynamic load recognition of bridge based on digital image method[J].Henan Science ,2022 ,40(11): 1728 -1735 .
[18]DU W K ,LEI D ,HANG Z Q ,et al.Short-distance and long-distance bridge displacement measurement based on template matching and feature detection methods [J].Journal of Civil Structural Health Monitoring ,2023 ,13(2): 343-360.[19]杜文康 ,雷冬 ,杭宗庆 ,等.基于 SURF-PROSAC 法的高铁桥梁位移测量技术研究 [J].铁道科学与工程学报 ,2023 ,20(9): 3579 -3591 .DU Wenkang ,LEI Dong ,HANG Zongqing ,et al .Deformation measurement technology of high-speed railway bridge based on SURF-PROSAC method [J].Journal of Railway Science and Engineering ,2023 ,20(9): 3579 -3591 .
[20]章洋，何莉，汤青洲，等.基于智能手机的农村公路路面破损检测方法 [J].中外公路 ，2023 ,43（2） ：51-57.ZHANG Yang ，HE Li，TANG Qingzhou ，et al .Detection method of rural road pavement damage based on smart phone [J].Journal of China & Foreign Highway ,2023，43(2):51-57.
[21]吴海军 ,袁光杰 ,王涛 ,等.基于中小跨梁桥结构响应特点的阈值设定及应用 [J].重庆交通大学学报 (自然科学版 ),2020 ,39(9): 54-58,66.WU Haijun ,YUAN Guangjie ,WANG Tao ,et al .Threshold setting and application based on structural response characteristics of small and medium span beam bridges [J].Journal of Chongqing Jiaotong University (Natural Science ),2020 ,39(9): 54-58,66.
[22]LOWE D G .Distinctive image features from scale-invariant keypoints [J].International Journal of Computer Vision ,2004 ,60(2): 91-110.
[23]LI J Y ,WANG Y L ,WANG Y J .Visual tracking and learning using speeded up robust features [J].Pattern Recognition Letters ,2012 ,33(16): 2094 -2101 .
[24]MUJA M ,LOWE D G .Fast approximate nearest neighbors with automatic algorithm configuration [C]//Proceedings of the Fourth International Conference on Computer Vision Theory and Applications .February 5-8,2009 .Lisboa ,Portugal .SciTePress-Science and and Technology Publications ,2009 : 1-10.
[25]LI X Y ,LEI T J ,ZHAO C ,et al .Research on improved image registration algorithm based on PROSAC algorithm[C]//Eleventh International Conference on Digital Image Processing (ICDIP 2019 ).May 10-13,2019 .Guangzhou ,China .SPIE ,2019 : 691-697.

Download

Share

COinS