Download or read book ARPA-Bureau of Mines Rock Mechanics and Rapid Excavation Program written by James J. Olson and published by . This book was released on 1975 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Bureau of Mines publication reviews the research conducted under a 3-year, $6.6 million program in rock mechanics and rapid excavation. The program was sponsored by the Defense Department's Advanced Research Projects Agency and was managed by the Bureau. In addition to the rock mechanics investigations, projects were funded in the following general areas of rapid excavation: System analysis, geologic prediction, rock disintegration, ground support, and materials handling. This report briefly summarizes the significant technical accomplishments of the individual research projects and references the contract reports and other publicatons where more detailed descriptions of the research can be obtained.