发明名称 |
METHOD FOR SUPPRESSION OF BOTTOM HEAVING IN DEVELOPMENT WORKINGS |
摘要 |
A method for suppression of bottom heaving in development workings includes well drilling to direct and main bottom to side of motion of production face and blasting explosive charges there. One performs drilling of short wells just to bottom in the direction of the propagation of production face and to the sides opposite sides from axis of the working. |
申请公布号 |
UA61447(U) |
申请公布日期 |
2011.07.25 |
申请号 |
UA20100013604U |
申请日期 |
2010.11.16 |
申请人 |
UKRAINIAN ENGINEERING AND PEDAGOGICAL ACADEMY |
发明人 |
SHTAN&rsquo,KO LEONID ANDRIIOVYCH;REMIZOV OLEKSII VALERIIOVYCH |
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