Abstract
In order to realize the three-dimensional visualization of overlying strata separation after coal seam mining, this paper proposes a three-dimensional modeling method of overburden separated layer of TIN-DEM integrated model. First of all, the original drilling data are combined with the Kriging interpolation algorithm to generate virtual drilling. And a TIN model is established before mining. Then, UDEC is used to simulate a working surface in two dimensions. And a DEM model of overburden separated layer is established. By correcting the pre-mining model, the stratum model (TIN-DEM) containing the overburden separated layer is established. Finally, instance verification is carried out through real data of a certain mine.
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