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Keywords: Canyon
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Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-218
... Characterization concrete liner portal phyllite Acknowledgement extensometer Survey Point lining construction Belden Tunnel Upstream Oil & Gas tunnel 2 operation Canyon geologic mapping slope movement siphon leakage tunnel deformation The Belden hydro-electric project of Pacific Gas...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-417
... ABSTRACT: Subsidence above two active longwall mines located in Utah, Deer Creek and Dugout Canyon, was monitored using differential interferometric synthetic aperture radar. Time-lapsed images acquired over a period of 46, 92, and 132 days by the ALOS PALSAR sensor were used to locate areas...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-317
... ABSTRACT: An engineering geological evaluation of a steep-sided, narrow canyon along Big Chico Creek was performed for input to a planned fish ladder repair and construction project. The primary geologic constraint involves potential rock falls from the canyon wall above the ladder. Based...
Proceedings Papers

Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-1085
... excavation was performed by blasting benches from the top down with concurrent installation of rock reinforcement. SETTING Clear Creek Canyon is situated on the western side of the Denver metropolitan area. Highway 6, which runs through the canyon, is a major thoroughfare providing access to the high...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-1407
... ABSTRACT : Results of analytical and numerical modeling of the stress state of rocks around tunnels designed for Pamir and Kokomeren hydropower stations are presented. New analytical method was developed to take into account geometry of both canyon and tunnel to locate the optimum site...
Proceedings Papers

Paper presented at the The 16th U.S Symposium on Rock Mechanics (USRMS), September 22–24, 1975
Paper Number: ARMA-75-069
... SUMMARY An unusual road has been designed and constructed in rugged topographic conditions of a deep canyon with vertical or subvertical sides. The road requires rock cuts up to 300 feet high which were excavated in competent sedimentary rocks which have three distinct sets of dividing planes...

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