【摘要】 针对我国东部煤田深部开采中煤和瓦斯突出地应力异常及陷落柱突水预测问题,讨论了最小走时地震层析成像的基本原理和实现方法,并对地应力异常及不同的陷落柱模型进行了层析反演成像.结果表明:该方法能很好地探测异常,具有一定的理论意义和实用价值。更多还原

【Abstract】 Aiming at the problem of forecasting coal and gas outburst and water eruption caused by karst collapse column in deep coal mining in east China,the principle and method of minimum travel-time of seismic tomography were discussed. And the model of ground stress anomaly and karst collapse columns was inversely deduced for tomography. The result shows that this method can effectively forecast the ground stress anomaly. So it is significant both theoretically and practically.更多还原