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Titlebook: Rock Mechanics; For Underground Mini B. H. G. Brady,E. T. Brown Book 1985 B. H. G. Brady & E. T. Brown 1985 evolution.geomechanics.geoscien

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樓主: purulent
51#
發(fā)表于 2025-3-30 10:04:56 | 只看該作者
Mining methods and method selection, host rock and transport of this material to the mine surface. Excavations of various shapes, sizes, orientations and duty functions are required to support the series of operations which comprise the complete mining process. A schematic layout of an underground mine is shown in Figure 12.1. Three t
52#
發(fā)表于 2025-3-30 15:33:27 | 只看該作者
Naturally supported mining methods,his implies maintenance of the local stability of rock around individual excavations, and more general control of displacements in the mine near-field domain. As a first approximation, stope local stability and near-field ground control might be considered as separate design issues, as indicated sch
53#
發(fā)表于 2025-3-30 19:29:24 | 只看該作者
54#
發(fā)表于 2025-3-30 22:58:05 | 只看該作者
55#
發(fā)表于 2025-3-31 04:42:45 | 只看該作者
56#
發(fā)表于 2025-3-31 06:28:23 | 只看該作者
57#
發(fā)表于 2025-3-31 13:10:58 | 只看該作者
Rock mechanics and mining engineering,iples of engineering mechanics to the design of the rock structures generated by mining activity. Obviously, the discipline is closely related to the main streams of classical mechanics and continuum mechanics, but, as will be seen, several specific factors identify it as a distinct and coherent field of engineering.
58#
發(fā)表于 2025-3-31 15:42:55 | 只看該作者
59#
發(fā)表于 2025-3-31 21:03:37 | 只看該作者
Blasting mechanics,ted by the sudden release of the explosive’s potential energy. Control and routine application of such an intrinsically violent process represent significant feats in both chemical and mining technology.
60#
發(fā)表于 2025-3-31 23:25:07 | 只看該作者
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