Application of channel wave seismic technique in detection of faults in the first working of Jinjiaqu Colliery
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摘要: 为了科学分析评价工作面隐蔽致灾地质因素对开采的影响,有效指导煤矿开采生产,以神华宁夏煤业集团金家渠煤矿110301首采工作面为研究对象,采用煤矿井下槽波地震反射、透射方法对110301工作面内部隐伏构造进行探测,结合工作面实际情况设计了井下槽波地震观测系统,通过对槽波地震数据的采集,应用透射槽波能量成像和反射槽波成像技术分析处理槽波数据,最终查明了金家渠煤矿110301工作面隐伏断层,为工作面安全回采提供了决策依据。Abstract: In order to analyze and evaluate scientifically the effect of potential disaster-inducing geological factors in a working face and to guide effectively underground coal mining, the first working face 110301 in Jinjiaqu coal mine of Shenhua Ningxia Coal Group was taken as study object, underground channel wave seismic reflection method and seismic transmission method were used to detect the concealed structures inside the working face 110301. An underground channel wave seismic observation system was designed in combination of the actual situation of the working face. Through acquisition of channel wave seismic data, the tomographytechnology of transmitted channel wave energy and reflected channel wave was used to analyze and process the channel wave data, finally the concealed fault in the working face 110301 of Jinjiaqu Mine was found out, providing decision basis for the safe extraction in the working face.
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Key words:
- reflected channel waves /
- transmitted channel wave /
- fault detection
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