郑万高铁不良地质三维建模与修正分析
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摘要
为解决郑万高铁不良地质和特殊岩土工程地质三维模型的不充分性、地下地质现象的不可见性和地质过程的复杂性等问题,对地形测量、地质数据、测绘数据、地勘数据分析修正,建立地表地质界线、水系、交通网、覆盖层、透镜体小地质单元、岩溶系统的三维模型,通过地质与数学插值结合曲面三维模型模拟进行分析,对TIN、Grid、趋势面拟合和NURBS曲面插值和修正分析,得出描述地质不良体的几何信息、拓扑信息和属性信息。这些方法对于三维建模与修正分析过程中解析各种复杂地质体的空间信息(几何信息与拓扑关系)和各地质单元的特性信息具有一定的指导意义,符合复杂地质体表达与分析的需要,可为三维建模在工程地质边界表示与数据选取方面提供参考。
The 3D model of bad geology and special geoengineering geology of Zhengzhou-Wanzhou High-speed Railway is insufficient,the geological phenomena are invisible,and the geological process is complex. Hence,the topographic measurement,geological data,mapping data and geological surveying data are analyzed and modified; 3D models of surface geological boundary,water system,traffic network,overburden,lens microgeological unit and karst system are established and analyzed by means of geological and mathematical interpolation combined with three-dimensional surface model simulation; the interpolation and modification analysis of TIN,Grid,trend surface fitting and NURBS surface results are analyzed to obtain a method that describes the information of the object including geometric information,topological information,and attribute information. The method can describe the spatial information,i. e. geometric information and topological relationship, of complex geological bodies and the characteristic information of each geological unit,which can meet the needs of the expression and analysis of complex geological bodies and provide reference for three-dimensional modeling in the representation and data of engineering geological boundaries.
The 3D model of bad geology and special geoengineering geology of Zhengzhou-Wanzhou High-speed Railway is insufficient,the geological phenomena are invisible,and the geological process is complex. Hence,the topographic measurement,geological data,mapping data and geological surveying data are analyzed and modified; 3D models of surface geological boundary,water system,traffic network,overburden,lens microgeological unit and karst system are established and analyzed by means of geological and mathematical interpolation combined with three-dimensional surface model simulation; the interpolation and modification analysis of TIN,Grid,trend surface fitting and NURBS surface results are analyzed to obtain a method that describes the information of the object including geometric information,topological information,and attribute information. The method can describe the spatial information,i. e. geometric information and topological relationship, of complex geological bodies and the characteristic information of each geological unit,which can meet the needs of the expression and analysis of complex geological bodies and provide reference for three-dimensional modeling in the representation and data of engineering geological boundaries.
引文
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[18]文敏,谭永杰,唐新明,等.三维地质建模中的构建TIN优化算法及实现[J].地理空间信息,2018,9(1):98.WEN Min,TAN Yongjie,TANG Xinming,et al.TINalgorithm optimization and implementation in 3D geological modeling[J].Geospatial Information,2018,9(1):98.
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[2]WU Q,XU H.On three-dimensional geological modeling and visualization[J].Science in China Series D:Earth Sciences,2012,47(8):739.
[3]梁其洋,潘瑜春,吴保国,等.基于GIS数据的城市路网快速三维建模[J].电子测量技术,2018(9):69.LIANG Qiyang,PAN Yuchun,WU Baoguo,et al.Fast 3Dmodeling of urban road network based on GIS data[J].Electronic Measurement Technology,2018(9):69.
[4]朱曙光,何宽,周建郑.徕卡三维激光扫描系统在建筑物精细建模中的应用[J].测绘通报,2018(2):154.ZHU Shuguang,HE Kuan,ZHOU Jianzheng.Research on the application of Leica 3D laser scanning system in the fine modeling of buildings[J].Bulletin of Surveying and Mapping,2018(2):154.
[5]铁路工程水文地质勘察规程:TB 10049-2016[S].北京:中国铁道出版社,2016.Code for hydrogeological investigation of railway engineering:TB 10049-2016[S].Beijing:China Railway Publishing Press,2016.
[6]铁路工程不良地质勘察规程:TB 10027-2012[S].北京:中国铁道出版社,2012.Code for unfavorable geological condition investigation of railway engineering:TB 10027-2012[S].Beijing:China Railway Publishing Press,2012.
[7]廖立兵,肖鹏,张春芳,等.工程地质勘察可视化关键技术在滇中引水等工程中的应用[J].水利水电快报,2018(11):49.LIAO Libing,XIAO Peng,ZHANG Chunfang,et al.Application of key visualization techniques for engineering geological investigation to water diversion project in Yunnan in central region of Yunnan Province[J].Express Water Resources&Hydropower Information,2018(11):49.
[8]WANG Z H.Preliminary study for digital landslide[C]//Proceedings of the International Symposium on Digital Earth.Beijing:Science Press,2012.
[9]吕觉唐.数字三维模型技术研究[D].北京:中国科学院遥感应用研究所,2012.LYU Juetang.Research on digital 3D modeling technology[D].Beijing:Institute of Remote Sensing Applications Chinese Academy of Sciences,2012.
[10]王旭春,蒋宁静,赵月,等.滑坡GIS可视化研究与应用[J].岩石力学与工程学报,2013,21(增刊2):2511.WANG Xuchun,JIANG Ningjing,ZHAO Yue,et al.Study and application on the visualization of geological information system in landside[J].Chinese Journal of Rock Mechanics and Engineering,2013,21(S2):2511.
[11]XIE M W,TETSURO Esaki,ZHOU G Y,et al.Geographic information systems-based three-dimensional critical slope stability analysis and landslide hazard assessment[J].Journal of Geotechnical and Geoenvironmental Engineering,2013,129(12):1109.
[12]乔建平,朱阿兴,陈永波,等.GIS与人工智能结合下的三维可视化滑坡危险度评价[J].中国科学,2013,33(增刊):79.QIAO Jianping,ZHU axing,CHEN Yongbo,et al.Risk assessment of 3D visualization landslide combining with GIS and artificial intelligence[J].Science in China,2013,33(S):79.
[13]赵芳芳.基于克里格插值法的地铁隧道三维地质模型构建[J].辽宁省交通高等专科学校学报,2018(2):17.ZHAO Fangfang.Construction of 3D geological model of subway tunnel based on kriging interpolation[J].Journal of Liaoning Provincial College of Communications,2018(2):17.
[14]何珍文.地质空间三维动态建模关键技术[D].武汉:华中科技大学,2008.HE Zhenwen.Key techniques for three-dimensional dynamic modeling in geological space[D].Wuhan:Huazhong University of Science and Technology,2008.
[15]钟登华,李明超,王刚,等.复杂地质体NURBS辅助建模及可视化分析[J].计算机辅助设计与图形学学报,2005,17(2):284.ZHONG Denghua,LI Mingchao,WANG Gang,et al.Visualization analysis of complex geologic body with NURBS modeling[J].Journal of Computer-Aided Design&Computer Graphics,2005,17(2):284.
[16]胡新丽,唐辉明.斜坡工程GIS系统研究与应用[M].武汉:中国地质大学出版社,2002.HU Xinli,TANG Huiming.Research and application of GIS system for slope engineering[M].Wuhan:China University of Geosciences Press,2002.
[17]王明生.城轨线路三维可视化设计基础理论和方法[D].北京:北京交通大学,2013.WANG Mingsheng.Basic theory and methods of urban rail line 3D visualization design[D].Beijing:Beijing Jiaotong University,2013.
[18]文敏,谭永杰,唐新明,等.三维地质建模中的构建TIN优化算法及实现[J].地理空间信息,2018,9(1):98.WEN Min,TAN Yongjie,TANG Xinming,et al.TINalgorithm optimization and implementation in 3D geological modeling[J].Geospatial Information,2018,9(1):98.
[19]岳云娟,张庆敏,白林.薄板样条函数在城市三维地质建模中的应用[J].四川理工学院学报(自然科学版),2012,4(2):28.YUE Yunjuan,ZHANG Qingmin,BAI Lin.Application of thin plate splines in the city's three dimensional geological modeling[J].Journal of Sichuan University of Science&Engineering(Natural Science Editton),2012,4(2):28.
[20]徐卫亚,孟永东,田斌,等.复杂岩质高边坡三维地质建模及虚拟现实可视化[J].岩石力学与工程学报,2010(12):2385.XU Weiya,MENG Yongdong,TIAN Bin,et al.Threedimensional geological modeling and visualization based on virtual reality for complicated high rock slope[J].Chinese Journal of Rock Mechanics and Engineering,2010(12):2385.
[21]肖静.基于伪点剔除与四域样条插值的三维煤层建模[J].科技通报,2014(12):166.XIAO Jing.3D coal seam modeling based on pseudo point elimination and four fields spline interpolation[J].Bulletin of Science and Technology,2014(12):166.