Page 632 - Rock Mechanics For Underground Mining

Index

Page numbers appearing in bold refer to figures and page numbers in italic refer to tables
Absolute Strength Value (ASV) 519, 520 Southern Coalfield, New South Wales 444, Bieniawski 78, 79, 80, 111–2, 113, 134, 138,
Abutment 49, 231–41, 401–3, 442–4, 443, 507, 516 198, 199, 333, 505
471–3 Telfer Gold Mine 549 empirical strength criterion 111–2, 113
shear 249, 235, 241 Australian Geomechanics Society 1 geomechanics classification 78, 79, 80
Accelerometer 304, 305, 539, 557 Available support line 315, 320, 577, Bifurcation point 96
see also Openings 579 Biharmonic equation 169, 170
Access raises 6, 356, 360 determination 577 Black Angel Mine, Greenland 381
Acoustic emission 556 Blast holes 222, 277, 356, 357, 361, 366, 425,
see also Microseismic activity Backfill 6, 12, 13, 165, 354, 357–61, 363, 365, 454, 522–6, 525, 528, 529–31, 538,
Acoustic waves 556 395, 401, 403–6, 408–19, 409–11, 540
Advance or advanced undercut 472, 473, 474, 414, 423–7, 435, 436, 487, 505, 533, boundary stress 221, 222, 525, 529–2, 531
561 562, 563 gas pressure 523, 525, 529, 530
Aggregate 80, 96, 341–4, 410, 415 catastrophic flow of 409 Blasting 13, 135, 152, 264, 281, 356, 361–3,
Air blasts 353, 446, 468, 469, 479, 481, cemented, applications 401, 412–7, 414, 362, 366–7, 433–4, 472–3, 518–42
485 415, 419, 424–5, 425 agents 519
Air gap 467, 469, 480, 481, 521 composite 415 cap 519
Airways 6, 197, 199, 348, 355, 356, 403 compression tests on 413, 417, 417 charge malfunctions 541
Airy stress function 169, 170 control of stope wall behaviour 408 computational models 527
Andina Mine, Chile 475 and cut-and-fill stoping 357–61, 409, 419, design 13
Anelastic strain recovery 156 421, 423 de-stress 264, 434, 473
ANFO blasting agent 519, 520 design of 416 explosive-rock interaction 521–2
Angus Place Colliery, New South Wales, and dynamic loading 519 gas pressure 525, 529, 530
Australia 449, 450, 451, 451 failure of 13, 165, 354, 396, 400, 406, 415, loading phases 523–6
Anisotropy 37, 96, 99, 117 417–8, 424, 435, 487 performance 538, 540
Aperture, defined 55, 56, 57, 59 for ground control 417 perimeter 527, 528, 531, 532
Appin Colliery, New South Wales, Australia materials 410, 487 processes 518, 527
443, 443 in open stoping 356, 357, 358, 360, 403, rock breakage phenomenology 522
Aquifers 12, 353 409, 419, 423–6, 425, 426, 563 seismic zone 524
see also Groundwater paste 363, 410, 416, 426–8 and surface waves 517, 532–3, 535
Arches 313, 346, 351, 466 performance criteria 424 and tensile stresses 85, 153, 281, 526,
elastic shortening, 232, 233 properties and placement 410 529–30
Arching 227, 441, 466, 471, 479, 496 -rock interface, stress at 408, 424, 425 test 526, 538
Argillaceous rocks 5, 391, 493 shear strength 409, 413, 422, 487 transient ground motion 532
compressive strength 493 slip surfaces in 424 vibration monitoring 538, 541
see also Clays Shales stiffness 417, 436 see also Explosives
Artificially supported mining see Mining structural role 417 Block Cave Fragmentation (BCF) 479
methods support modes 371 Block caving 8, 349–51, 350, 367–9, 465–81,
Asperities 125, 126, 129 Barton–Bandis formulation 131–2, 303 466, 485, 486, 496–501, 497,
failure component 125, 128, 129 Bar wave equation 278 561–3
Athens Mine, Michigan 488, 494 Basic rocks 6 discontinuous subsidence 133, 484–6, 495,
Australia 312, 340, 445, 446, 448, 486 Bearing capacity 365, 372, 390–1, 406, 435 496, 501
Angus Place Colliery 449, 450, 451, 451 Bedding-down effects 88, 91, 97 distinct element simulation 466
Appin Colliery 443, 443 Bedding planes 46–48, 50, 51, 59, 65, 67–70, draw control 479–81
Gordonstone Mine 442, 443, 445, 446 74, 75, 99, 129, 224–6, 242, 374, 391, extraction level design 476–8
Mount Charlotte Mine 403–5, 404 436, 438, 442, 444, 451, 558–61 fragmentation 367, 465, 476–9
Mount Isa Mine 67, 68, 112, 134, 265, 266, separation 226 mining direction for 463, 475
362, 363, 381, 415, 558–61, 559, 560, silt in 129 subsidence profile 484, 486, 508, 509,
567 slip 129, 225–6 513–6
Northparkes E26 Mine 467–9, 470, 485, structural data 57, 60, 67, 69, 72 undercutting strategy 471–4, 476, 561
557, 557 Bench areas 212 Block failure modes 243
Perseverance Mine 464, 464 Bench-and-fill stoping or bench stoping 69, Blocking, steel sets 313, 314, 315, 317, 320,
Ridgeway Gold Mine 454, 462 362, 370, 419, 423, 426, 427 338, 346, 478, 544, 577
Snowy Mountains Hydro-electric Scheme Betti Reciprocal Work Theorem 183 Blocky rock 242, 243, 246, 248, 251, 263
333 Biaxial strain cell 34 Block Theory 243–55

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