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2011 Issue 11

Application of Grouting Water Sealing Technology to Mine Auxiliary Shaft Sinking in Shicaocun Mine


Key Words:

mine auxiliary shaft;grouting water sealing;drilling technology;S type borehole directional drilling;
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In order to rationally solve the problem of the mine auxiliary shaft sinking passing through an aquifer in Shicaocun Mine and to provide the favorable con struction conditions for the mine shaft sinking, the directional drilling and comprehensive grouting technology was applied to the S borehole directional drilling for the su rface pre-grouting process before the mine shaft sinking operation.With the rational technical parameters set up, the application of the rational grouting technology, the grouting material and the grouting equipment could make the grouting operation and the mine shaft sinking operation simultaneously.The project practices showed that t he total water inrush value from 12 aquifers was reduced from 391 m3/h to 5.7 m3/h.A dry shaft sinking target was reached and the water sealing effect was obvious.
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June 15th,2022

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