【摘要】 为了在采掘过程中避免煤层冲刷带对掘进成巷和采出率的影响,利用矿井地震反射超前法对煤层冲刷带影响范围进行远距离超前探测。在分析煤层冲刷带的地球物理特性的基础上,探讨了多波多分量地震反射超前法探测技术的时距曲线特征,研究了远距离超前预测预报后期古河床煤层冲刷带发育及其边界范围的实例。应用表明,在巷道掘进过程中,运用矿井地震反射超前法探测技术预测煤层冲刷带的发育及其边界范围是可行的,探测结果误差较小,与实际情况吻合较好。矿井地震反射超前探测法是超前预测掘进前方煤层冲刷带的一种有效的地球物理探测新手段,能较好地指导矿井生产,满足矿井高产高效的要求。更多还原

【Abstract】 In order to eliminate the scouring zone in the seam to cause the gateway driving wasted and the mining rate influenced during the mining and excavation processing,the mine seismic reflection prediction was applied to the remote pilot detection of the seam scouring zone influence scope.Based on the analysis on the geophysics features of the seam scouring zone,the paper discussed the time curve features of the multi wave and multi component seismic reflection prediction technology and studied the cases for the development and the boundary scope of the palariver bed seam scouring zone after the later of the remote pilot predictionand prewarning.The application showed that during the gateway driving,the application of the mine seismic reflection prediction technology to pre-detect the development and the boundary scope of the seam scouring zone would be feasible.The error of the detection results would be small and could be well meet with the actual conditions.The mine seismic reflection prediction could be an new and effective geophysics detection means to in advanced predetect the seam scouring zone in the front of the seam.更多还原