Abstract: In order to achieve the organic connection between field monitoring data and mining temporal-spatial correlation, to make the whole predictive analysis and monitor, and to evaluate surrounding rock stability and safely mining, a set of 3D visualization mining system combined with the actual conditions of Da’anshan coal mine has been developed. The mining system is based on Northeastern University virtual reality system software, which not only includes three-dimensional scenes, but also realizes the functions of virtual roaming, database information inquiry and interactive control. By the secondary development of virtual reality software, its ability of integrating 3D data is strengthened. Through comprehensive analysis of the data, main roof weighting length, advanced support pressure and failure mode and mechanism of roof weighting are obtained, which provides the scientific basis for roof controlling and safe mining.

Key words: 3D visualization, mine pressure, safety monitoring, comprehensive analysis