三维激光扫描声呐系统在渡槽水下结构检测的应用  

Application of Three-dimensional Laser Scanning Sonar System in Underwater Structure Inspection of Aqueduct

作　　者：甘晓洁 GAN Xiao-jie(Hainan Province Water Conservancy and Hydropower Survey,Design and Research Institute Co.,Ltd.,Haikou 570100,China)

机构地区：[1]海南省水利水电勘测设计研究院有限公司,海南海口570100

出　　处：《海河水利》2024年第2期125-128,共4页Haihe Water Resources

摘　　要：渡槽水下基础长期承受各种荷载、高水流作用等,在经历较长运行期后的安全检测问题日益突出。鉴于三维激光扫描声呐系统的技术优势,介绍了系统组成、工作原理、技术参数和应用途径,并将其应用于某渡槽基础水下细部结构检测。检测结果表明,该系统成像速度快、图像清晰、监测效率高,能准确展示探测渡槽水下细部三维结构,可有效规避潜水员探摸安全风险和传统声呐扫描效果差的缺陷。同时,该系统还能够在含沙量大、能见度低的水域环境中工作,具有较好的适用性和推广性。The underwater foundation of aqueduct bears various loads and high water flow for a long time.After a long operation period,the problem of safety detection is becoming increasingly prominent.In view of the technical advantages of three-dimensional(3D)laser scanning sonar system,its system composition,working principle,technical parameters and application ways were introduced,and it was applied to the underwater detail structure detection of an aqueduct foundation.The detection results showed that the sonar system had the advantages of fast imaging speed,clear image and high monitoring efficiency.It could accurately display the underwater detailed 3D structure of the detection aqueduct,and can effectively avoid the defects of divers´exploration safety risk and poor scanning effect of traditional sonar.At the same time,the system can also work in the water environment with high sediment concentration and low visibility,and has good applicability and popularization.

关 键 词：三维激光扫描 声呐 渡槽基础 水下检测 

分 类 号：TV672.3[水利工程—水利水电工程] TV698.17