基于克里格插值法的地铁隧道三维地质模型构建
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摘要
地质体三维模型的构建可以有效的预测地质体内岩性分布特征。以沈阳地铁十号线下穿浑河区间段地质体为工程实例,基于钻孔勘探数据,利用克里格插值法,分析地质体内岩性的空间分布特征,实现了三维模型的可视化构建。结果表明:地层主要由砂砾、圆砾、泥砾类土组成为主,为工程施工及线路的选择提供了依据。
Construction of 3D geological body modeling can effectively predict the lithology distribution characteristics in the geological body. Taking the geological body of Shenyang metro line ten which back-ground of Hunhe river as the engineering example and based on borehole exploration data, it is used Krig-ing interpolation to analyze spatial distribution characteristics of lithology in geological body. Actualizing techniques of 3D visual model is realized. The results show that the stratum is mainly composed of gravel,round gravel, and mud soil. It provides the basis for the engineering construction and the choice of the cir-cuit.
Construction of 3D geological body modeling can effectively predict the lithology distribution characteristics in the geological body. Taking the geological body of Shenyang metro line ten which back-ground of Hunhe river as the engineering example and based on borehole exploration data, it is used Krig-ing interpolation to analyze spatial distribution characteristics of lithology in geological body. Actualizing techniques of 3D visual model is realized. The results show that the stratum is mainly composed of gravel,round gravel, and mud soil. It provides the basis for the engineering construction and the choice of the cir-cuit.
引文
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[2]KAZIANKA H,PILZ J.Copula-based geostatistical modeling ofcontinuous and discrete data including covariates[J].Stochastic Environ-mental Research and Risk Assessment,2010,24(5):661-673.
[3]金英.煤储层渗透率克里格预测[D].北京:中国石油大学,2010.
[4]包世泰,廖衍旋,胡月明,等.基于Kriging的地形高程插值[J].地理与地理信息科学,2007,23(3):28-32.
[5]李晓,王长虹,朱合华.Kriging插值方法在地层模型生成中的应用[J].岩土力学,2009,30(1):157-162.
[6]张芳,王军辉.普通Kriging方法建立宏观地层的验证与评价[J].计算机工程与应用,2010,46(20):234-236.
[7]刘修国,尤超,张唯.非线性克里格法在矿体储量估算中的应用[J].中南大学学报(自然科学版),2013,44(5):2068-2072.
[8]杨勇,梅杨,张楚天,等.基于时空克里格的土壤重金属时空建模与预测[J].农业工程学报,2014,30(21):249-254.
[9]赵坡.地质体三维建模空间插值与可视化算法研究及实现[D].成都:成都理工大学,2013.
[10]李章林,张夏林,翁正平.指示克里格在矿体储量计算方面的研究与应用[J].矿业快报,2008,20(1):11-15.