Voxler平台在煤矿富水性勘查中的三维可视化应用

煤矿安全是全国安全生产工作的重中之重，特别是近年来煤矿水害时有发生，我国煤矿水文地质条件较为复杂，地表水、老空水、冲积层水和顶板水等各种类型的水害俱全，无论是受水威胁的面积、类型，还是受水害威胁的严重程度，都为世界罕见。瞬变电磁法在煤矿富水性的勘探中已得到广泛应用，但对于结果的解释仍处于二维水平，往往是先在断面图上圈定异常体的范围，再根据相对的位置关系落到平面图上进行解释，因此对于异常体的空间分布描述较差，存在一定的局限性。本文结合山西某煤矿富水性勘查中瞬变电磁法的实测数据，利用Voxler平台从三维数据的整合、三维模型的建立、模型的地形校正及白化等关键点进行了研究，绘制了三维视电阻率模型，展示了异常体的空间分布形态，使成果更为直观、立体，从而更好的指导煤矿的安全生产。

Application of voxler platform in 3D visualization of coal mine water yield exploration

Coal mine safety is the top priority of national safety production. Especially in recent years, coal mine water disasters have occurred frequently. The hydrogeological conditions of coal mines in China are complex which have various types of water damage, such as surface water, goaf water, alluvial water and roof water. It is rare in the world, whether the area or type threatened by water or the severity of the threat of water damage. Transient electromagnetic has been widely used in the exploration of water rich coal mines, but the interpretation of the results is still at the two dimensional level. It is often first to define the range of anomalous bodies on the cross section, and then fall on the plan according to the relative positional relationship. So the spatial distribution of the anomalous body is poorly described and has certain limitations. This paper combines the measured data of the transient electromagnetic method in the water rich exploration of a coal mine in Shanxi Province, and uses the Voxler platform to study the key points of three dimensional data integration, three dimensional model establishment, model terrain correction and whitening, and draws three dimensional apparent resistivity. The model shows the spatial distribution of the anomalous body, makes the results more intuitive and three dimensional, and thus better guides the safe production of coal mines.