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Keywords: drift method
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Proceedings Papers

Paper presented at the ISRM International Symposium - 2nd Asian Rock Mechanics Symposium, September 11–14, 2001
Paper Number: ISRM-ARMS2-2001-143
... be made in time. 5.2 Choosing the method of ctunnber cutting There are two major ways of cutting chambers: drift method and shaft method. When cutting with the drift method, first cut the drift, then cut the transverse caves, and finally cut the chambers through these transverse caves according to thc...

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