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Keywords: Standard Deviation
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-429
... computed. The STEPSIM4 process is repeated for a large number (usually 2000 to 5000) of failure paths and the ensuing statistical distribution of shear strengths is computed (i.e. a mean and standard deviation with respect to effective friction angle and cohesion). It complements existing geotechnical...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-014
... attenuation relation return period Magnitude rupture seismic hazard analysis probabilistic approach Artificial Intelligence variability evaluation recurrence interval Standard Deviation STATE OF THE PRACTICE OF SEISMIC HAZARD EVALUATION Norman A. Abrahamson l INTRODUCTION The main use of seismic...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-184
... variability is modeled as a random field, which can be described concisely by the coefficient of variation (COV) and the scale of fluctuation. The COV of inherent variability for various test measurements is given in histograms to illustrate its population distribution. The means and standard deviations of...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-005
... chosen segment and the normals to the mean attitude of thE joint set. The Poisson distribution with the par- ameter (I I cost) has the mean"fJ', given by W'=llcos£ (19) and the standard deviation aN' given by aN = VI I cos £ (20) For small values of the parameter (I I cos the Poisson distribution is...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-072
... bolt rock bolt waste repository repository fracture rock burst Reservoir Characterization distribution curve Standard Deviation variation mathematical model support system underground support Rock Mechanics and Power Plants. Romana fed) e 1988Balkema. Rotterdam. ISBN 90 6191 8278 Design...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-031
... hydraulic fracturing normal stress hydraulic test determination mayet Upstream Oil & Gas montagne focal mechanism fracture plane plane Cornet Standard Deviation stress field equation Proceedings of the International Symposium on Rock Stress and Rock Stress Measurements/Stockholm/I-3...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-036
... Characterization geothermal reservoir crystalline rock rock mass Differential Strain Curve analysis situ stress stress measurement compression Standard Deviation dry rock site core sample Magnitude Proceedings of the International Symposium on Rock Stress and Rock Stress Messuremeots/Stocknotm/t-a...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-049
... with assigning the standard deviation of the different data of the final result to the standard deviation of the initial data. ZUSAMMENFASSUNG: Die Materialkonstanten beteiligen sich nicht mit gleichem Gewicht in der Ausbildung der Spannungs-, Verformungs- und Verschiebungszustande. Der Vortrag...

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