基于三维仿真的矿井巷道模型的构建与应用

Construction and application of mine roadway model based on three-dimensional simulation

为了构建矿井巷道三维模型,基于对AutoCAD的二次开发技术,应用导线点逼近中心线加载断面的理论,采用煤矿工程平面图交互式采集的方法,研究了三维巷道模型自动生成算法;然后对节点及转弯处进行平滑处理,以风流、构筑物等判断了通风模型的合理性并加以应用。研究结果表明:利用中心线加载断面的方法建模,加载不同的断面,并进行节点和伪节点采集,最后生成巷道立体图,对巷道形状和走势的表达更加立体和清晰;此建模方法在平煤六矿加以运用,生成完整的三维矿井巷道模型图,以风流流向及构筑物和巷道间的拓扑关系判别使通风模型更加完整。

In order to construct the three-dimensional model of mine roadway,based on the secondary development technology of AutoCAD,applying the theory of traverse point approaching the central line loading section,using the method of interactive acquisition of coal mine engineering plan,the automatic generation algorithm of three-dimensional roadway model is studied,then the nodes and turning points are smoothed,and the rationality of ventilation model is judged and applied by wind flow and structure,etc.The research results show that:by using the method of centerline loading section modeling,loading different sections,and collecting nodes and pseudo-nodes,finally generating the tunnel stereoscopic diagram,the shape and trend of the roadway expression more stereo and clear;this modeling method is applied in No.6 Coal Mine,Pingdingshan Tian′an Coal Industry Co.,Ltd.to generate a complete three-dimensional mine tunnel model,the ventilation model is more complete by judging the wind flow and the topological relationship between the structure and the roadway.