Borehole driving with pneumatic punchers and impact devices having an annular instrument

被引:0
|
作者
Petreyev, AM [1 ]
Smolyanitsky, BN [1 ]
Danilov, BB [1 ]
机构
[1] Russian Acad Sci, Siberian Branch, Inst Min, Novosibirsk, Russia
关键词
Pneumatic Puncher; Impact Device;
D O I
10.1023/A:1016637531825
中图分类号
TD [矿业工程];
学科分类号
0819 ;
摘要
Substantiation is provided for a method of forming boreholes in which part of the soil is removed from the borehole and part is displaced into the mass. Interaction between the pneumatic puncher and the soil is examined, when the pneumatic puncher is used with an impact device having an annular instrument. Calculated relations are obtained to determine the rate of driving of the borehole.
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页码:567 / 571
页数:5
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