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Keywords: pneumatic hammer
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Proceedings Papers
Reduction Of Strength Of Rocks Surrounding Mine Workings
Available to Purchase
Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-015
... from the contour of working. Later studies showed that changes of rock properties took place at the distance of not more than 1 m from the contour of working section. In this case driving with pneumatic hammer appeared to be the simplest way of coring. Before coring the working section contour surface...
