基于无人机的曲线宽幅矮塔斜拉桥表观病害智能检测  

Intelligent Detection of Surface-Damage of Curvilinear Wide Extradosed Cable-Stayed Bridge Based on UAV

作　　者：魏法胜 高亮 钟运平 朱尧于 冯楚乔 樊健生[3] 刘宇飞[3] WEI Fa-sheng;GAO Liang;ZHONG Yun-ping;ZHU Yao-yu;FENG Chu-qiao;FAN Jian-sheng;LIU Yu-fei(Guangzhou Daguang Expressway Co.Ltd.,GuangZhou 510900,China;CCCC Highway Bridges National Engineering Research Centre Co.Ltd.,Beijing 100088,China;Department of Civil Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]广州大广高速公路有限公司,广州市510900 [2]中交公路长大桥建设国家工程研究中心有限公司,北京市100088 [3]清华大学土木工程系,北京市100084

出　　处：《公路》2023年第10期155-160,共6页Highway

基　　金：国家自然科学基金项目,项目编号52192662。

摘　　要：桥梁作为重要的交通基础设施,具有较大的检测与运维需求。随着技术的进步,基于无人机平台的桥梁病害检测技术发展迅速,其高效率、高精度、高智能化的特点给桥梁病害检测提供了广阔的发展空间。文章针对曲线宽幅矮塔斜拉桥这一特殊桥型,分析了无人机桥梁检测的相关技术细节,包括裂缝识别、三维重建与病害投影等,并以大广高速黄龙带特大桥为例,阐述了桥梁裂缝的无人机智能检测技术的应用。这一成功应用实例为曲线宽幅矮塔斜拉桥的研究以及工程养护提供了准确的资料,同时为桥梁的智能检测提供了经验。As an important transportation infrastructure,bridges have huge demands for detection,operation and maintenance.With the advancement of technology,bridge defects detection based on UAV platform has developed rapidly which provides a broad development space for bridge defects detection with the characteristics of high efficiency,high precision and high intelligence.In the paper,focusing on the special curved wide extradosed cable-stayed bridge,the relevant technical details of bridge inspection by UAV are studied from the perspective of crack identification,three-dimensional reconstruction and defect projection.Finally,taking the Huanglongdai Major Bridge on the Dalian-Guangzhou Expressway as an example,the intelligent detection of bridge cracks is realized,which provides accurate data for the research and maintenance practice of the curved wide extradosed cable-stayed bridge,and provides experience for intelligent detection of bridges.

关 键 词：矮塔斜拉桥 智能检测 无人机 裂缝识别 三维重建 

分 类 号：U446.2[建筑科学—桥梁与隧道工程]