Principle and application of seismic-electronics joint advanced detection for mine roadwaysChinese Full Text
ZHANG Xiufeng;School of Energy and Transportation Engineering,Jiangsu Jianzhu Institute;
Abstract: According to the complexity of hidden abnormal structure in mine tunnels,using seismic-electronics joint advanced detection which combines the advantages of seismic reflection method and direct current method including determining petrophysical anomaly interface with the high resolution ratio of seismic reflection method for geological interfaces,determining thickness changes of coal seam,lithology changes and watery degrees of abnormal interfaces and inter spaces with sensitive reflection of DC resistivity method for low-resistant anomalous bodies,we make quantitative and qualitative advanced detection on structural anomaly and the location at long distance in the front,and remove the multiplicity of single detection method.Through comparison validation between forecasting results and practical truth of return airway of 21 coal producing test area in one coal mine,we accurately predict and forecast the structure and petrophysical anomaly in 100 min front of tunnel face,which highly increases the detecting precision of advance geology forecast.
Keywords：
roadway geologic structure; advanced detection; seismic reflection; specific resistance; joint interpretation;
- DOI：
10.19712/j.cnki.jsjyxb.2015.04.004
- Series：
(C) Architecture/ Energy/ Traffic/ Electromechanics, etc; (B) Chemistry/ Metallurgy/ Environment/ Mine Industry
- Subject：
Mining Engineering
- Classification Code：
TD163
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