基于点云的草甸型弯曲河岸的冲刷变形研究
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摘要
为研究黄河源区草甸型弯曲河流的崩岸机制,采用原位冲刷方法,以青海省黄南州河南县兰木错曲为研究对象进行草甸型弯曲河岸原位冲刷实验,使用徕卡MS50三维激光扫描全站仪进行扫描,利用Geomagic软件对扫描获取的点云数据进行处理,得到草甸型弯曲河岸原位冲刷之后准确的变形量,与传统钢尺量测冲刷变形量的方法相比,提高了测量精度和密度,对合理研究草甸型弯曲河流的崩岸机制具有一定的现实意义。
In-situ scouring was used in order to study the mechanism of meandering river bank collapse on meadow in the source area of the Yellow River. The Lanmucuoqu River in Henan county of Qinghai province was taken as the research object to do scour in situ experiments. The Leica MS50 3 D laser scanning electronic total station was used to scan the bend river bank and the Geomagic software was used to deal with the point cloud data obtained by the scanning. The obtained scouring deformation data of the bend bank were more accurate compared with traditional measuring deformation with steel ruler,the measurement accuracy and density have greatly increased. It is a practial significance to study reasonably the mechanism of bank collapse of meandering river on meadow.
In-situ scouring was used in order to study the mechanism of meandering river bank collapse on meadow in the source area of the Yellow River. The Lanmucuoqu River in Henan county of Qinghai province was taken as the research object to do scour in situ experiments. The Leica MS50 3 D laser scanning electronic total station was used to scan the bend river bank and the Geomagic software was used to deal with the point cloud data obtained by the scanning. The obtained scouring deformation data of the bend bank were more accurate compared with traditional measuring deformation with steel ruler,the measurement accuracy and density have greatly increased. It is a practial significance to study reasonably the mechanism of bank collapse of meandering river on meadow.
引文
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[2] 党祥,董耀华,姚仕明.河岸冲刷与崩岸类型研究综述[J].水利电力科技,2012,38(4):17-25.
[3] 黄本胜,白玉川,万艳春.河岸崩塌机理的理论模式及其计算[J].水利学报,2002(9):49-54,60 .
[4] 王延贵,匡尚富.河岸临界崩塌高度的研究[J].水利学报,2007,38(10):1158-1165 .
[5] 刘奎源.变形监测中地面三维激光扫描技术的应用[J].西部资源,2018(1):129-130.
[6] 吴列,黄伟.徕卡Nova MS50全站扫描仪在地形测量中的应用[J].测绘通报,2015(3):136-137.
[7] 徐源强,高井祥,王坚.三维激光扫描技术[J].测绘信息与工程,2010,35(4):5-6.
[8] 朱磊,王健,毕京学.三维激光扫描技术在变形监测中的应用[J].北京测绘,2014(5):78-82.
[9] 朱海丽,王兆印,李志威.黄河源区滨河草甸对弯曲河流河道演变的影响[J].人民黄河,2013,35(4):41-44 .
[10] 井文胜,王健,孙爱怡.地面三维激光扫描仪的精度评定方法研究[J].测绘与空间地理信息,2016,39(11):198-201.
[11] 杰魔(上海)软件有限公司.三维检测软件Geomagic Qualify[J].航空制造技术,2009(20):99.
[12] 刘科,廖中平,丁美青,等.点云测站间标靶布设对配准精度的影响[J].工程勘察,2016,44(4):55-58.