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中文摘要：
三维建模包括地表和地下空间两个方面,模型精度不仅是评定建模性能的重要指标,更是工程方案比选和工程预算的重要依据.在综合分析多种三维建模方法的基础上,提出了一种基于离散光滑理论的高精度三维地质体高精度建模方法,通过综合利用测量、钻孔、物探等数据及其相互间的相关性,对地质体对象进行联合建模.利用原始钻孔数据的某一类地层进行插值,计算得到原始钻孔数据与插值拟合结果之间的几种残差,并进行分析比较,进而得到各地质区域的构造模拟结果及其置信区间.利用某水电工程中的测绘和地质的实际数据进行了实验验证,从结果来看,该方法不仅能更高精度地拟合出三维地表模型,而且能构建复杂的地质构造,辅助工程勘察设计、岩土计算等应用.
英文摘要：
3Dmodeling including both surface and underground space,the accuracy of the model is not only an important indicator of the performance assessment modeling,but also an important basis for choosing engineering solutions and the project budget.Based on analyzing various 3Dmodel construction methods,this paper presents a high-precision 3Dmodeling method based on the theory of discrete smooth construction.Through the effective integration of discrete data and fitting data,conducing respective experiment for the mean and variance data,the modeling results and confidence intervals of each geological regions are obtained.The experimental verification is made by actual measurements data,drilling data and other geological data of a hydropower project.Experimental results show that this method can effectively meet the needs of practical engineering precision.
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