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Research and Development--key to Advances for Rapid Excavation in Hard Rock.
Olson JJ; Atchison TC
1st North Am Rapid Excavation & Tunneling Conf AIME 2:1393-1441
The purposes of this paper are (1) to show the potential ability of technologic forecasting to meet future demands in rapid excavation through the acceleration of excavation rates by research and development in several related technologic fields, (2) to provide a brief review of the initial development of the arpa (advanced research projects agency) rock mechanics and rapid excavation program, (3) to draw attention to the research projects completed or underway in the fy 1970-72 arpa program and explain where information or program results can be obtained, (4) to summarize the progress and accomplishments of applied research contracts in the rock disintegration element of the arpa program, and (5) to discuss the research directions planned for the remaining years of the program.
1st North Am. Rapid Excavation & Tunneling Conf., AIME V. 2, Ch. 78, PP. 1393-1441
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