Engineering Rock Mechanics
420 Appendix A: Stress and strain analysis E~ = 2E -4 Mohr’ circle of strain for struin guuge rosettes Consider three arbitraril ...
Strain analysis 429 Example. Solving the previous numerical example, -8E - 4 2E-4 SE-4 1-8E - 4 Temporary axis _---_ ...
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Appendix B: Hemispherical projection Hemispherical projection methods These methods enable three-dimensional orientation data to ...
432 Appendix 6: Hemispherical projection plane that passes through the origin (i.e. the centre of the sphere), assuming the poin ...
Hemispherical projection methods 433 Small circle Inclined plane projection \ 1 ./ ......... ........ .~ 0 Q .... .'.. ... 9.. r ...
434 Appendix 0: Hemispherical projection Using a hemispherical projection net: plotting vectors Never write on the net: always u ...
Hemispherical projection methods 435 Using a hemispherical projection net: plotting planes Start by marking a tick on the perime ...
436 Appendix B: Hemispherica/ projwtion Determining he line of intersection of two phes N For any pair of planes, there is a lin ...
Hemispherical projection methods 437 Determining the bisector of two vectors Any two orientation vectors have a bisector (the li ...
438 Appendix 6: Hemispherical projection Rotution ubout an urbitrury uxis Consider this scenario: a borehole is drilled with a t ...
Points to remember 439 Rotate the tracing paper so that the tick for N” is on the E-W line, and count in to get the rotated norm ...
440 Appendix 6: Hemispherical projection vectors. For example, N for normals, D for lines of maximum dip, superscript R for rota ...
Index CHILE, Continuous, Homogeneous, Isotropic and Linearly-Elastic 164 DIANE, Discontinuous, Inhomogeneous, Anistropic, Non-El ...
442 Index geological, factors 16 setting 11 geostatistics 167 Goodman borehole jack 188 Griffith criterion 109 ground response c ...
Index 443 masses, deformability of 141 deformation modulus of 142 post-peak strength behaviour of 147 strength of 144 interactio ...
444 Index three-tier approach 8 time-dependency 213 in rock engineering 221 aspects 207 strain rate 84 creep 84 relaxation 84 to ...
w I, diic ti on to Engineering rock mechanics is the discipline used to design structures built of rock. These structures encomp ...
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