Water bursting mechanism analysis and manipulation in Tanmei Coal Mine of Henan Dayugou Coal Group
Abstract：On the basis of the hydrogeology features of Tanmei Coal Mine area and the effect of the main aquifers and aquifuges, the reason why the Tanmei Coal Mine water bursting occures is pointed out after the analysis and research of the water bursting in the coal mine. As the roadway is excavated, the fracture of limestone develops in the floor, leading to water-dripping serious and water pressure higher, which is the main reason of water bursting under additional underground pressure. In order to prevent water outburst, the construction scheme of surface grouting through a drilling hole is adopted and the roof is reinforced in some bigger areas. After these manipulations, the plugging rate is more than 90% , and the task of dynamic water grouting is successfully fulfilled. What is more, all of these could be a good example of preventing water outburst for some similar mines.
Keywords：water bursting analysisdynamic water groutinggrouting and blocking waterroof and floor reinforce
Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 392-396 )