Page 10 - Rock Mechanics For Underground Mining

CONTENTS

Appendix A Basic constructions using the
hemispherical projection 568
A.1 Projection of a line 568
A.2 Projection of the great circle and pole to a plane 568
A.3 Determination of the line of intersection of two planes 569
A.4 Determination of the angle between two lines in a plane 570
A.5 Determination of dip direction and true dip 571
A.6 Rotation about an inclined axis 572
Appendix B Stresses and displacements induced by point and
infinite line loads in an infinite, isotropic, elastic continuum 574
B.1 A point load (the Kelvin equations) 574
B.2 An infinite line load 575

Appendix C Calculation sequences for rock–support
interaction analysis 575
C.1 Scope 575
C.2 Required support line calculations 575
C.3 Available support line calculations 577
Appendix D Limiting equilibrium analysis of progressive
hangingwall caving 580
D.1 Derivation of equations 580
D.2 Calculation sequence 584

Answers to problems 585
References 589
Index 614

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