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为提高超前探测的准确率,防止误揭隐伏断层,利用瑞利波超前探测技术,结合工作面超前钻探,对车集煤矿掘进工作面进行超前探测,用于预报工作面前方煤层赋存情况及地质构造。结果显示:采用2种探测技术所得结果基本吻合,经过相互验证,能够准确掌握工作面前方煤层赋存情况及地质构造。
In order to improve the accuracy of advanced detection and prevent accidental exposing of concealed faults, advanced detection using Rayleigh wave and advanced drilling in advance of working face are carried out to detect the occurrence of coal seams ahead of the working face and Geological structure. The results show that the results obtained by using two kinds of sounding techniques are basically in agreement, and the mutual verification can accurately grasp the occurrence of coal seams and the geological structure in front of the working face.