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3D integrated modeling approach to geo-engineering objects of hydraulic and hydroelectric projects

查看全文 作　　者：ZHONG [1]DengHua;LI [1]MingChao;LIU [1]Jie 高影响力作者 机构地区：[1]Department of Hydraulic and Hydroelectric Engineering,School of Civil Engineering,Tianjin University,Tianjin 300072,China高影响力机构 出　　处：《Science China(Technological Sciences)》索引2007年第50卷第3期,共14页高影响力期刊 基　　金：Supported by the National Natural Science Foundation of China (Grant Nos. 50479048 and 50539120);the National Science Fund for Distinguished Young Scholars of China (Grant No. 50525927) 摘　　要：Aiming at 3D modeling and analyzing problems of hydraulic and hydroelectric en-gineering geology,a complete scheme of solution is presented. The first basis was NURBS-TIN-BRep hybrid data structure. Then,according to the classified thought of the object-oriented technique,the different 3D models of geological and engi-neering objects were realized based on the data structure,including terrain class,strata class,fault class,and limit class;and the modeling mechanism was alterna-tive. Finally,the 3D integrated model was established by Boolean operations be-tween 3D geological objects and engineering objects. On the basis of the 3D model,a series of applied analysis techniques of hydraulic and hydroelectric engineering geology were illustrated. They include the visual modeling of rock-mass quality classification,the arbitrary slicing analysis of the 3D model,the geological analysis of the dam,and underground engineering. They provide powerful theoretical prin-ciples and technical measures for analyzing the geological problems encountered in hydraulic and hydroelectric engineering under complex geological conditions. 关 键 词：3D INTEGRATED model engineering GEOLOGY GEOLOGICAL analysis HYDRAULIC and hydroelectric project
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