基于激光点云的高架箱梁变化检测  

Change Detection of Elevated Box Girder Based on Laser Point Cloud

作　　者：李俊峰[1] 葛文[1] 徐婧 邓非[3] Li Junfeng;Ge Wen;Xu Jing;Deng Fei(Ningbo Institution of Surveying and Mapping,Ningbo 315042,China;Ningbo alatu Digital Technology Co.,Ltd.,Ningbo 315042,China;Wuhan University,Wuhan 430072,China)

机构地区：[1]宁波市测绘设计研究院,浙江宁波315042 [2]宁波市阿拉图数字科技有限公司,浙江宁波315042 [3]武汉大学,湖北武汉430072

出　　处：《城市勘测》2020年第4期70-73,共4页Urban Geotechnical Investigation & Surveying

基　　金：四川省科技计划资助(2019YFG0460)。

摘　　要：利用三维激光技术进行变化检测有着常规方法无法获得的一些分析优势。本文以高架桥箱梁检测为实践,阐述了高架箱梁变化检测实施方案和数据处理,对箱梁放样检测和箱梁成品检测结果进行了分析。实践表明:该方法具有速度快、实时性强、精度高的特点,可以满足工程要求。Using 3D laser technology to detect change has some analysis advantages that conventional methods can not obtain.Based on the practice of the detection of the box girder of the viaduct,this paper expounds the implementation scheme and data processing of the detection of the change of the viaduct box girder,and analyzes the results of the detection of the setting out of the box girder and the detection of the finished box girder.The practice shows that this method has the characteristics of high speed,real-time performance and high precision,which can meet the engineering requirements.

关 键 词：地面三维激光 检测方案 数据处理 箱梁放样检测 箱梁成品检测 

分 类 号：P225.2[天文地球—大地测量学与测量工程]