Study On 3D Geological Modeling Of The Railway Engineering

Engineering Geology Research is very important basic research of china railway construction. However, engineering geological modeling analysis system software with a certain scale of software research, at china have not yet ripe related software products. Two-dimensional geological research projects can not in the deep of geological body, and visually display geological structure. The quantitative research of in-depth three-dimensional geological characteristics can not be realized.Based on the above-mentioned shortcomings, the railway engineering geology researchers hope to have a basic railway engineering geological modeling analysis system, using computer technology. With the development of computer technology and geological modeling study of the gradual maturity, 3D for the engineering geological modeling and information visualization analysis system of opportunities and challenges brought about. Engineering geological 3D visualization of significance not only in improving the efficiency of geological mapping, More importantly, it built up in a timely manner to reflect the rapid geological information integration of the three-dimensional geological model, to the geological staff, the designers of the Turkish-geological problems in the correct judgment, analysis visualization of integrated information . In short, engineering geological information visualization will be the development of the geological engineering an important direction and has great theoretical and practical value.This paper first introduced three-dimensional geological modeling software development status and the significance of topics. Have carried on the detailed introduction to the three dimensional geological modeling tool and the method. Summarized the three dimensional geological modeling basic step. Secondly, this article discussed how based on the geological boundaries,geological occurrence, such as surface topography information deduce the initial construction of the geological model project. Carry out the calculation of occurrence. How to use the discrete value of the occurrence of information, production level surface equation method , And study of the surface intersection, Initial generation of 3D geological model .This paper discusses the adoption of the new access to the geological information on how to modify the initial model editor .Application algorithm for the generation of surface fitting interpolation. At last, display system for the section of geological strata,faultage and three-dimensional geological model of the effect drawings of block geological. At the same time, it provides a reliable scientific authority for the decision-making of the underground construction projects.