title of the thesis - Department of Geology - Queen's University

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$Fayek & Kyser 2000 uraninite fractionations.pdf - Queen's University$

;===== set initial stress conditions ============== ;========================================================== ;***initial hydrostatic stress*** INITIAL sxx -85 INITIAL syy -85 INITIAL szz -85 ;***rollers with compressed boundaries*** BOUNDARY yvel=0.0 range 0,1564.64 -1,1 BOUNDARY yvel=0.0 range 0,1564.64 1563,1565 BOUNDARY xvel=0.000001 range -1,1 0,1564.64 BOUNDARY xvel=0.000001 range 1563,1565 0,1564.64 ;insitu stress -102.70, 0, -73.43 ;========================================================== ; ;========================================================== ;===== time steps ================================= ;========================================================== hist unbal hist xvel(50,50) hist yvel(50,50) hist xdisp(50,50) hist ydisp(50,50) SOLVE step 5000 set plot po color plot hold sig1 fill bl E.8 Tectonic Loading Model (Plastic Model) ;---------------------------------------------------------- ;---- ---- ;---- 7400L UDEC MODEL ---- ;---- PLASTIC TECTONIC LOADING MODEL ---- ;---- ---- ;---------------------------------------------------------- ; round 0.5 set edge 5.173 ;========================================================== ;===== define block =============================== ;========================================================== block material 1 0,0 0,1564.64 1564.64,1564.64 1564.64,0 ;========================================================== ;===== define excavation ========================== ;========================================================== crack (670.56,793.496) (670.56,815.848) crack (670.56,815.848) (726.44,832.612) crack (726.44,832.612) (815.848,832.612) crack (815.848,832.612) (815.848,843.788) crack (815.848,843.788) (877.316,843.788) crack (877.316,843.788) (922.02,804.672) crack (922.02,804.672) (922.02,787.404) crack (922.02,787.404) (888.492,773.007) crack (888.492,773.007) (888.492,736.410) crack (888.492,736.410) (866.14,726.44) crack (866.14,726.44) (838.2,737.616) crack (838.2,737.616) (815.848,771.144) crack (815.848,771.144) (815.848,782.32) crack (815.848,782.32) (748.792,782.32) crack (748.792,782.32) (743.204,793.496) crack (743.204,793.496) (670.56,793.496) ;========================================================== 200
;===== define sub block ============================ ;========================================================== crack (447.04,447.04) (447.04,1117.6) crack (447.04,1117.6) (1117.6,1117.6) crack (1117.6,1117.6) (1117.6,447.04) crack (1117.6,447.04) (447.04,447.04) ;========================================================== ;===== define faults ============================== ;========================================================== crack (0,251.92736) (1564.64,820.8772) crack (0,290.59632) (1564.64,859.54616) crack (0,355.2371429) (1564.64,1025.84504) crack (0,392.0061829) (1564.64,1062.61408) crack (0,437.4605714) (1564.64,1107.98864) crack (0,482.1629749) (1564.64,1158.05712) ;===FW=== crack (0,1309.295) (1564.64,307.925) ;===Splays=== crack (905.676,730.681) (864.557,605.485) crack (845.579,718.676) (787.063,578.045) crack (807.625,780.415) (746.192,713.585) ;===1290/400E=== crack (0,806.814) (670.243,806.814) crack (670.243,806.814) (922.184,789.484) crack (922.184,789.484) (1564.64,789.484) ; ;========================================================== ;===== assign material properties ================= ;========================================================== PROP mat=1 dens=0.002965 k=24613 g=13856 fric=35 coh=10 PROP jmat=1 jkn=700000 jks=99400 jcoh=0 jfric=10 jtens=10 PROP jmat=2 jkn=700000 jks=99400 jcoh=50 jfric=50 jtens=50 change mat=1 range 0,1564.64 0,1564.64 change jmat=1 range 0,1564.64 0,1564.64 ; change jmat=2 range 446,1118, 446,448 angle -1,1 change jmat=2 range 446,1118 1117,1118 angle -1,1 change jmat=2 range 446,448 446,1118 angle 89,91 change jmat=2 range 1117,1118 446,1118 angle 89,91 ; ;========================================================== ;===== elasto-plastic Mohr-Coulomb ================ ;========================================================== CHANGE cons 3 range 0,1564.64 0,1564.64 ; ;========================================================== ;===== null material to excavate ================== ;========================================================== CHANGE cons 0 range 668,925 781,853 CHANGE cons 0 range 812,925 726,786 PAUSE ;========================================================== ;===== Discretize ================================= ;========================================================== gen edge 15.0 ; ;========================================================== ;===== set initial stress conditions ============== ;========================================================== ;***initial hydrostatic stress*** INITIAL sxx -85 INITIAL syy -85 201
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THE INFLUENCES OF STRESS AND STRUCT
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esulting in increased stress to the
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Table of Contents Abstract.........
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4.6.1 Fracture Reactivation........
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List of Figures Figure 1.1: Locatio
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Figure 3.23: Preliminary stress inv
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Figure B11: Events between Jan 1, 2
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List of Tables Table 2.1: Geologica
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Chapter 1 Introduction 1.1 Backgrou
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Figure 1.1: Location of Sudbury and
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Chapter 2 Geological Assessment of
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ack breccia and sediments later dep
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Murray Fault, the principal fault o
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2.2 Local Geology of Creighton Mine
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B West East B’ Figure 2.4B: Longi
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Table 2.2: Fault systems within the
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Table 2.3: Summary of Fault Charact
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Figure 2.6: (A) Damage to shotcrete
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Figure 2.7: (A) The 1290 Shear Zone
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Figure 2.8: Images of (A) the 400-E
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Figure 2.9: (A) Photograph of the c
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Figure 2.10 (A) Shear foliation, in
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Figure 2.11: Thin sections of the F
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(Fig. 2.12B). Reduction of quartz g
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2.3.11 Late-Stage Fractures The you
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overprinting (Cochrane, 1991; Couls
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Table 2.4: Summary of Proterozoic t
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Both of these inferred stress direc
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are, at this time, in the process o
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Microseismic events of this subset
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3.2.1.2 Seismic Energy (E o ) and S
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3.2.1.4 Stress Parameters Stress pa
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located events were removed from cl
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Figure 3.7: Detected seismicity cor
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Table 3.1: Event characteristics in
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Table 3.3: Summary of relevant para
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) Damage Zone The rock mass in the
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quadrants of dilatation and compres
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Figure 3.12: Lower hemisphere equal
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mechanism shows that over 57% of th
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Figure 3.16: Classification of prin
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Figure 3.18: Contoured P-axis, B-ax
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Figure 3.20: Distribution of double
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This parameter reflects the magnitu
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Figure 3.23: Preliminary stress inv
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Figure 3.25: Equal area stereonet s
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Figure 3.27: (A) Maximum principal
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4.2 Numerical Methods Phase 2 and U
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Stress-strain relationships are use
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Rock mass failure is governed by th
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Figure 4.5: (A) Model for tectonic
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The zero cohesion and low friction
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Figure 4.9: Model of yielding for C
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Figure 4.11: Model of differential
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Figure 4.14: Model of maximum stres
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stress field model. There is little
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clustering are indications of rock
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Figure 4.23: Contoured domains of s
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Figure 4.24: Fracture initiation th
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seismic Cluster 1, which correspond
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contains energetic events and is no
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preferentially oriented fracture pl
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methodologies employed are of value
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References Alcott, J. M., Kaiser, P
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Galkin, V., Mungall, J. (2005). Str
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Mungall, J. E., & Hanley, J. J. (20
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Appendix A Geological Maps and Samp
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A.2 Level Plans with Sample Locatio
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Figure A3: 7400 Level, modified for
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Figure A5: 7680 Level, modified for
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Figure A7: 7940 Ramp, modified from
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MICROSEISMIC EVENTS Source Radius A
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2006 Event Frequency with Depth 600
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B.2 Spatial Distribution of Seismic
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Cluster 1 Source Radius Asp. Radius
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Seismic Moment 10.0 9.5 9.0 8.5 8.0
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143 Peak Velocity Parameter -2.5 -2
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B.4.2 Temporal Distribution of Clus
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147 Static Stress Drop 5.0 5.5 6.0
Page 165 and 166: B.4.3 Temporal Distribution of Clus
Page 167 and 168: 151 Static Stress Drop 4.0 4.5 5.0
Page 169 and 170: Frequency-Magnitude Relation for Cl
Page 171 and 172: P-axis B-axis T-axis 155 Fault Plan
Page 173 and 174: P-axis B-axis T-axis Fault Plane 1
Page 179 and 180: D.1.1: Case 1 Models Figure D1: Cas
Page 181 and 182: Figure D3: Case 1, elastic models s
Page 183 and 184: A B C D Figure D5: Case 1, plastic
Page 185 and 186: A B C D Figure D7: Case 1, plastic
Page 187 and 188: D.1.2: Case 2 Models A B C D Figure
Page 189 and 190: D.1.3: Case 3 Models A B C Figure D
Page 191 and 192: D1.4 Tectonic Loading Models Figure
Page 193 and 194: D.2 Discussion of Phase 2 Models El
Page 195 and 196: Staged models were created in which
Page 197 and 198: Figure D17 (A) Elastic model showin
Page 199 and 200: Figure D19 (A) Elastic model showin
Page 201 and 202: • Similar damage zones surroundin
Page 203 and 204: ; ;================================
Page 205 and 206: change jmat=1 range 0,1564.64 0,156
Page 207 and 208: crack (845.579,718.676) (787.063,57
Page 209 and 210: ;===plum=== crack (0,355.2371429) (
Page 211 and 212: crack (866.14,726.44) (838.2,737.61
Page 213 and 214: crack (838.2,737.616) (815.848,771.
Page 215: crack (815.848,771.144) (815.848,78
Page 219 and 220: E.9 S3:S1 Model for fracture reacti
Page 221 and 222: yval= abs(z_syy(zi)) xyval= abs(z_s
Page 223 and 224: and rearranged to , (Equation F4) .
Page 225: Such that , (Equation F19) I is the
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title of the thesis - Department of Geology - Queen's University

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