Research On The Regional Forecast Of Rock Mass Stress State In The Lujiatuo Minefield

Tectonic stress field is one of main content of earth science, the object of researching earth science engineering, the base of analyzing all kinds of geological tectonic movement, and the important part of the Geo-dynamics. From the geologic exploration, mining, to the whole mining processes, Tectonic stress is very important, and become the precondition and base of solving all problems in the process of coal mining.Geo-dynamic Division method is applied to research the Lujiatuo Minefield, so the geological structures are identified, and the model of geological structure is founded. By the Rock Mass State Analysis System, the mine regions are analyzed in the whole, and then the mine regions are forecasted reasonably. These results provide fundamental data for the excavation of coalfaces and reasonable layout of the district tunnels. The regions of severity emergence of mine pressure are forecast, which is benefit for the safe production.