Tuokou Hydropower Station In The Bay Mouth With 3d Geological Emulation And Impervious Engineering Simulation

A large number of water conservancy constructions have been built. These projects aremostly in mountains and valleys, the area with complicated geological structure,geographical information is numerous, for engineering design and construction brought a lotof difficulties. The traditional engineering approach of engineering materials andconstruction methods are often two-dimensional, with a static form of expression, thus cannot vividly show the ups and downs the whole terrain, the geological space structure and thegrouting method towards the ground. So that people can not have a complete, direct, andaccurate understanding of the project. The mathematical theory of geology, three-dimensional computer graphics technology and visualization technology development,especially its application in various engineering fields, create conditions to build three-dimensional geological model and the dynamic display of the grouting method process, andhelp apply it to the design and construction of foundation treatment and the effect evaluation.The following constitute the main contents of this article:(1) To support slobber station bay plots anti-seepage engineering for example,combined with geological visualized model of theory, method and bay plots their geologicalfeatures, the use of professional3D geological modeling software GOCAD（GeologicalObject Computer Aided Design）on the measured discrete data interpolation, establishedBay plots of 3D geological visualization model, the underground geological structureinformation through three-dimensional visualization of specific image to show it in anydirection, cutting, the grouting curtain line profile and engineering geological personneldrawn profile are analyzed and tested, in line with the regional geological conditions.(2)We make use of a new grouting method, namely, the " bottom-up, closed slurry,high pressure filling pulse" engineering methods for dynamic simulation, which is suitablefor the bend of the river Lot and other similar soft formation of the ground, thus engineering personnel and non-engineering staff of the construction can have a direct understanding ofsome new concept of this method. And new concepts are as follows: slurry grouting andhigh-voltage pulse of grouting. This construction method successfully applied to thegrouting project of Tuokou Hydropower Station in the bay mouth, which saved largeinvestment costs, improved the grouting efficiency, had a great application value to theseepage reinforcement of similar strata and provided an direct visual platform for its wideapplication with the successful dynamic simulation(3)In the basis of the visualization of the 3D geological model of bend of the river Lot,we can make a simulation of the effect after grouting. In the project of the imperviousengineering Tuokou’s Hydroelectric Power Station in the river bend, we used a single row,hole spacing 2m and new construction methods, new materials, which can effectivelycontrol the spread of grout and it’s amount. And check the effect after grouting, thus toachieve design standards. Displays the amount of the absorbing syrup and the diffusiondistance through the 3D geological model, thus to evaluate the effects.