| Description |
161 leaves in various foliations : illustrations, photographs ; 29 cm |
| Summary |
"Proper design of stable underground mine openings is important to the mining industry today. Various methods have been utilized by investigators to approach this goal. A review of previous investigations of each of the phases of underground mine opening stress analysis is presented. An approximate method of designing underground mine structures based on estimation of the initial stress field, rock physical property tests, and model tests, together with preliminary field data, is presented, and a specific example given"--Forward, leaf i. |
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