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Keywords: assessment
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Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-024
... ABSTRACT ABSTRACT: Rock mass classification developed as a tool to allow engineers and geologists to assess tunnel stability and support requirements during tunnel advance. In some circumstances little time or information is available for assessing rock mass conditions so classification...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-172
... historically. The stability of off-reef excavations was threatened under further mining, and the long term viability of the mining operation had to be assessed. A seismic hazard assessment methodology using numerical modelling, both static and dynamic, and seismic back-analysis was developed. This methodology...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-169
... mining. Rockbursts occurred at depths as shallow as 250m (Falmagne 2001). Furthermore, studies of pillars in brittle rock (e.g. Hedley 1992, Maybee 2000, Aglawe 1999) showed that the capacity of pillars decreases when the load is inclined (particularly for pillars with W/H >1 (Fig. 2). Hazard assessment...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-139
... in preparation of the observational approach. Appropriate preparation includes a thorough investigation and ground characterization as a basis for selection of the alignment, assessment of possible failure modes, and assignment of appropriate construction methods to each section of the tunnel. With a serious...

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