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Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-123
... SUMMARY: One of the basic factors, on which the emphasis is put at designing of a lining of pressure galleries and pressure shafts, is to ensure a good collaboration between a steel shell and a rock mass surrounding the pit. The results of the analysis of generally applied methods of...
Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-083
... of a high technical standard scarcer than academically educated persons. In order to extract the maximum infor- mation from ground investigation prog- rammes also under sometimes primitive circumstances one must find local collabor- ators who, in spite of most likely being primarily profit orientated...
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