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基于GIS与稀疏钻孔数据的工程地质等值线绘制方法
引用本文:郑先昌,郑伟锋,蒋鹏. 基于GIS与稀疏钻孔数据的工程地质等值线绘制方法[J]. 工程勘察, 2010, 38(1): 80-83
作者姓名:郑先昌  郑伟锋  蒋鹏
作者单位:广州大学土木工程学院,广州,510006;深圳市勘察研究院有限公司,广东,深圳,518026
摘    要:实际工程中由于钻孔点较稀疏或分布不均,难以做出理想的等值线,本文以MapGIS软件为平台,运用其空间分析功能,以广州市老八区1∶2.5万第四纪软土层厚度分布等值线图为例,提出了一种基于GIS技术和不均匀稀疏钻孔数据的工程地质等值线的实用做法。

关 键 词:GIS  稀疏不均匀钻孔  插值  等值线

Engineering geology contour map drawing method based on discrete drilling data and GIS
Zheng Xianchang,Zheng Weifeng,Jiang Peng. Engineering geology contour map drawing method based on discrete drilling data and GIS[J]. Geotechnical Investigation & Surveying, 2010, 38(1): 80-83
Authors:Zheng Xianchang  Zheng Weifeng  Jiang Peng
Affiliation:1.School of Civil Engineering;Guangzhou University;Guangzhou 510006;China;2.Shenzhen Investigation & Research Institute;Shenzhen 518026;China
Abstract:In practical projects,it is difficult to draw an ideal contour map based on the drilling-holes which have an uneven distribution or a small amount.But,applying MapGIS and its spatial analysis function,a practical method for drawing contour map of engineering geology can be reached,which is based on GIS technology and uneven distributed drilling-holes.This method is presented in this paper.
Keywords:GIS  uneven distributed drilling-holes  interpolation  contour line  
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