为修正三维地质建模的结果与实际分布情况的差别,在CATIA软件基础上开发的水利水电三维地质建模平台上引进虚拟钻孔技术修正三维地质模型。系统分析三维地质模型误差的主要来源,包括建模初始资料与地质建模方法;介绍虚拟钻孔技术在水利水电三维地质模型中的适用范围,并提出虚拟钻孔技术修正三维地质模型的方法;以某大型水利工程为例,结合虚拟钻孔技术在三维地质建模平台上的建模流程,系统阐述其在三维地质建模平台上修正地质模型的过程,计算结果达到了修正的目的。研究结果表明:虚拟钻孔技术的引进能一定程度提高三维地质模型的精度,该技术可以为其它的三维建模与可视化研究所借鉴。

The virtual drilling technology was introduced to amend the three-dimensional geological model of wa-ter resources and hydropower based on CATIA software for the purpose of narrowing the gap between simulation results and the reality.The main sources of error in the three-dimensional geological model were systematically analyzed,including the initial data of modeling and the geological modeling method.The application scope of the virtual drilling technology was introduced in the three -dimensional geological modeling of water resources and hydropower and the method of using virtual drilling technology to amend three-dimensional geological model was proposed.An example of a large-scale water conservancy project was given to illustrate the amending process in detail by combining with the modeling process of using virtual drilling technology in three-dimensional geolog-ical modeling platform.A good testing expectation was also reached in this example.The results show that the a-doption of

三维地质建模具有直观、形象、便捷等优点,在地质、矿产、地下施工等领域有着突出贡献.COMSOL Multiphysics 作为多物理场耦合模拟仿真软件,具备-定的三维建模能力.通过充分挖掘该软件自身潜力,结合Kriging 插值方法,尝试建立了山西某井田的三维地质模型.研究结果显示,基于COMSOL Multiphysics 的三维地质建模方法可实现地质体模型的缩放、旋转和平移等操作,生成地质剖切面图、透视图,展示地质体内部的各个细节.实例证明了COMSOLMultiphysics 软件的三维地质建模能力及其在地质解译、矿产评估和多物理场求解等方面的应用价值.

3D geological modeling makes a great contribution to the fields of geology, mine and underground construction, which contains the advantages of being visual, vivid and convenient. COMSOL Multiphysics has some ability of 3D geological modeling as a software of coupled simulation of multi-physics. This paper fully excavated the potential of COMSOL Multiphysics, and tried to establish a 3D geological model of one mine in Shanxi by the software with Kriging interpolation method, finally realized the operations such as scaling, rotation, translation of the geological model, generated the geological profile, section and perspective, showed the internal details of geological model. It’s proved that COMSOL Multiphysics can build 3D geological model, and 3D geological modeling has good value in the fields of geological interpretation, mineral assessment and multi-physics solving.

为设计和开发具有较强建模能力和较高实用价值的三维地质建模系统，基于COM技术完成了系统的模块设计、功能划分、架构设计以及系统的研发，并利用若干三维地质建模实例对系统进行了检验。结果表明，基于COM技术进行组件式三维地质建模系统的研发，可降低开发难度，提高研发效率，方便系统的集成与扩展。

In order to research and develop a 3D GMS with strong modeling capability and high practical value,its module design,function definition and architecture design based on Component Object Model ( COM) technology has been conducted.The development of the software system is completed successfully and efficiently.The software system is tested by several practical 3D geological modeling applications as well.As test result shows,COM technology has reduced the development difficulty,enhanced the development efficiency of 3D GMS.The convenience of system integration and extension that COM technology brings also makes it important to the study of three dimensional geological modeling.

基于对平、剖面三维联动编辑的概念、动因的探讨及相关研究成果的认识,提出了平、剖面三维联动编辑的几何原理与实现途径,如:地质曲面的表达、基于等高线的曲面构建、剖面图的构建、以及平面图与剖面图的联动修改方法。并对三维地质建模的需求、矿产资源勘探应提交的三维地质模型、三维地质建模的数据标准以及广义的三维联动编辑等问题进行了延伸讨论。认为平、剖面三维联动编辑可能成为三维建模软件推广应用中的"杀手级应用"。

Based on concept, cause of the act and related research findings, put forward plan and section 3D interaction editing geomet-ric principle and implementation ways, such as geological curved surface expression, curved surface construction based on contours, con-struction of section, as well as plan and section interacting modification. Meanwhile carried out extended discussions on issues of 3D geo-logical modeling demand, 3D geological models need to be submitted in mineral resource exploration, 3D geological modeling data stan-dard and generalized 3D interaction editing. The paper concluded that the plan and section 3D interaction editing could be a“killer ap-plication”in 3D modeling software popularization.

煤炭地质勘查的研究对象、勘探方法、数据资料在空间上都是三维的,适合于采用三维地质建模技术进行管理。根据三维地质建模与煤炭地质勘查是否同时,可将煤炭地质勘探三维地质建模分为两类,一类为勘探工作中,主要以钻孔数据为主,用于制作三维地质模型的原型,生成煤层底板等高线、剖面图草图,供地质工程师进一步加工,构建精细的三维地质模型;另一类为勘探工作后,即以已经做好的煤层底板等高线图、剖面图为主要数据源,构建精细的三维地质模型。精细的三维地质模型可用于煤矿设计、数字矿山建设。三维地质建模技术的应用有利于煤炭地质构造的研究,主要表现在:第一,可对地面、钻探、物探、化探多种手段获得的探测资料进行集成与同化处理,提高信息空间的一致性;第二,地质构造要素表达具有直观性与三维立体性,如断层的表达,其在三维环境中不仅可表达为一个面,并且能清晰反映断层与地层、以及断层与断层之间的相互切割关系,弥补了平、剖面图上仅表现为一条断层线的不足;第三,可平、剖面三维联动编辑,很好地保证平面图与剖面图的空间一致性;第四,可以在剖面上以画草图的方式确定剖面上煤层对比与断层切割方案。

Subjects investigated, exploration methods and data of coal geological exploration are spatially three dimensional, propitious to manage through 3D geological modeling techniques. According to if the 3D geological modeling and coal geological exploration at a time, can divide coal geological exploration 3D geological modeling into two categories:one is in exploration, mainly depends on drill-ing data, used to construct 3D geological model prototype, generate coal floor contour maps, section sketches provide to geologist for fur-ther processing, construct fine 3D geological model;another is after exploration engineering completed, taking the prepped coal floor contour maps, sections as the main data sources construct fine 3D geological model. The fine 3D geological model can be used in coalmine design, digital mine construction. The application of 3D modeling techniques is propitious to coal geological structural re-search, mainly reflected in following aspects:the first, can carry out