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Keywords: evaluation
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Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-029
... log analysis Upstream Oil & Gas alteration rock strength evaluation Atlas rock mass site specific geotechnical photograph 1 INTRODUCTION Geotechnical logging programs, as with geology logging programs, can be susceptible to quality con- trol issues within the data set. These quality...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-176
... with the engineering standards and mining practices of the 1910''s to 1940''s. Evaluation of the long-term surface stability of crown pillars overlying underground mines is an important component of mine closure planning. Back-analysis is performed on observed stable and unstable crown pillars, using common empirical...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-161
... site. An evaluation of the possible failure mechanisms is given, which was based on a structural description of the rock mass, a mechanical laboratory characterisation of the rock and of rock joints, and on the environmental and exploitation condition. The analysis referred to schemes that could...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-003
.... It is applicable to underground and open-pit mines, tunnels, dams, slopes, and general seismic risk evaluation. In principle it can be used to estimate risk of ground failure of any type. We present a case study from an underground mine in which the system is used to create a relative hazard index as a function...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-010
... ABSTRACT ABSTRACT: Keyblock analysis plays an important role in the evaluation of the behaviour of jointed rock. Remote sensing technologies are nowadays frequently used to provide the basis for those analyses. Metric 3D images provide accurate and detailed data on the rock mass structure...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-105
.... Pyrite is a common and abundant sulfide mineral and it is oxidized upon exposure to oxygen at the earth’s surface. Such accelerated weathering of rock can degrade its mechanical properties and therefore menace the stability of rock structures such as slopes and tunnels. The evaluation of the physical...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-139
... evaluation rock mass Fault Zone 1 INTRODUCTION A sound and economical tunnel design depends on a realistic geological model (Riedmueller & Schubert 2001), a quality rock mass characterization, and the assessment of influencing factors such as primary stresses, groundwater, and kinematics. Despite...

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