ICS93.020 CCSP11 团 体 标 准 T/JSJTQX41—2023 河塘清淤回填工程量激光点云测量 技术规程 Technicalregulationsforlaserpointcloudmeasurementofriverpond dredgingandbackfillingquantities 2023-06-20发布 2023-07-01实施 江苏省交通企业协会 发布 全国团体标准信息平台 全国团体标准信息平台 T/JSJTQX41－2023 I目  次 前  言......................................................................................................................................................III 1范围..........................................................................................................................................................1 2规范性引用文件......................................................................................................................................1 3术语和定义..............................................................................................................................................1 4符号和缩略语..........................................................................................................................................2 5基本要求..................................................................................................................................................2 6测量实施..................................................................................................................................................3 6.1测量流程.......................................................................................................................................3 6.2测量准备.......................................................................................................................................3 6.3数据采集.......................................................................................................................................4 6.4数据处理.......................................................................................................................................6 7清淤回填工程量计算..............................................................................................................................8 7.1一般规定.......................................................................................................................................8 7.2三角网生成...................................................................................................................................9 7.3构建土方单元...............................................................................................................................9 7.4清淤回填量计算...........................................................................................................................9 8误差与精度............................................................................................................................................10 8.1测量误差.....................................................................................................................................10 8.2点云成果精度检查方法.............................................................................................................10 8.3点云数据精度保证.....................................................................................................................11 8.4清淤回填量计算精度.................................................................................................................11 附录A（资料性）激光雷达扫描仪...............................................................................................13 A.1激光雷达扫描仪分类................................................................................................................13 A.2激光雷达扫描仪测距方法........................................................................................................13 A.3激光三角测距法........................................................................................................................14 附录B（资料性）航线间重叠区域平差处理方法.......................................................................17 B.1优化基站布设的方法................................................................................................................17 B.2技术设计的方法.......................