Research on application of micro motion survey method in coal mine slag investigation
In the increasingly prominent situation of environmental problems in abandoned coal mines,various environmental problems caused by the dumping of coal mine slag and coal gangue urgently need to be solved.This study focused on the problem of exploring the depth of bedrock encountered in the investigation of coal gangue deposits.For the first time,the use of micro motion survey method for exploration was proposed,and field experiments were conducted in a mining area in southeastern China.The micro motion survey method was combined with drilling,adopting a workflow of first calibrating,then inferring,and finally verifying to explore the interface between coal gangue and bedrock.Research has found that micro motion survey method can accurately detect the position of the interface be-tween coal gangue deposits and bedrock.Compared with drilling methods,the micro motion survey method has flexible advantages such as economy and efficiency.
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