声发射技术在预测预报煤与瓦斯突出方面的研究

Study of the Sound Emission Technique on Forecasting the Coal Seam Cracking and Excessive Gas

提出采用声发射技术预测预报煤与瓦斯突出的问题,介绍了声发射检测原理、声发射传感器的制作方式以及信号处理方式。试验和实际检测证明,采用该技术预测预报煤与瓦斯突出的问题是可行的,且简便、快捷、准确。

The paper suggests applying sound emission technique to forecast the coal seam cracking and excessive gas, introduces the detection principle for the sound emission, the manufacture method for the sound emission sensor and the processing method for the signal. The technique proved feasible to forecast the coal seam cracking and excessive gas by the test and the actual detection, and it is simple, rapid and exact