| 应用激光扫描技术进行岩体结构面的半自动统计研究 |
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| 引用本文： | 刘昌军,高立东,丁留谦,孙东亚.应用激光扫描技术进行岩体结构面的半自动统计研究[J].水文地质工程地质,2011,38(2):52-57. |
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| 作者姓名： | 刘昌军 高立东 丁留谦 孙东亚 |
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| 作者单位： | 中国水利水电科学研究院;北京勘测设计研究院; |
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| 基金项目： | 十一五科技支撑项目(2008bab04b05); 水利部948项目(200518) |
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| 摘 要： | 以力丘河某边坡裸露岩体结构面的快速统计为例,提出了利用三维激光测量方法进行岩体结构面的半自动快速统计方法。详细介绍了三维激光扫描仪和高精度GPS的联合测量方法,激光点云数据的坐标转换和边坡表面三角网重构方法。在此基础上,研究了采用三维激光点云数据和三角网数据进行岩体结构面平面方程的半自动拟合方法、岩体结构面法向量和产状的关系等。利用得到的岩体结构面产状快速绘制岩体结构面密度图、玫瑰图、极点图和赤平投影图,得到了该边坡裂隙结构面分布规律和几何信息等。和传统方法相比,该方法具有快速测量和远距离测量的优点,且减少了攀爬高陡岩坡的危险。
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| 关 键 词： | 三维激光扫描 岩体结构面 产状 坐标转换 半自动统计方法 玫瑰图 |
Research of semi-automatic statistics of rock mass discontinuity applying laser scanning technology |
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| LIU Chang-jun,GAO Li-dong,DING Liu-qian,SUN Dong-ya.Research of semi-automatic statistics of rock mass discontinuity applying laser scanning technology[J].Hydrogeology and Engineering Geology,2011,38(2):52-57. |
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| Authors: | LIU Chang-jun GAO Li-dong DING Liu-qian SUN Dong-ya |
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| Affiliation: | 1.China Institute of Water Resources and Hydropower Research,Beijing 100038,China;2.HydroChina Beijing Engineering Corporation,Beijing 100024,China |
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| Abstract: | Taking the rapid statistics of the naked rock mass discontinuity of the slope of the Liqiu river as an example,the semi-automatic rapid statistics method with three-dimensional laser measurement was proposed.The combined measurement method of three-dimensional laser scanner and high-precision GPS,as well as the method of coordinate conversion of laser point cloud data and triangle grid reconstruction of slope surface were introduced.On this basis,the method of semi-automatic fitting applying three-dimension... |
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| Keywords: | three-dimensional laser scanning rock mass discontinuity occurrence coordinate conversion semi-automatic statistics method rose diagram |
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