Title Stability, failure, and measurements of boreholes and other circular openings / U.S. National Committee for Rock Mechanics, Geotechnical Board, Commission on Engineering and Technical Systems, National Research Council.

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Washington, DC : National Academy Press, 1993.

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Description	1 online resource (x, 92 pages) : illustrations
Physical Medium	polychrome
Description	text file
Note	"Panel on Borehole Stability"--Page iii.
	Panel chairman: Jean-Claude Roegiers.
Contents	""Stability, Failure, and Measurements of Boreholes and Other Circular Openings""; ""Copyright""; ""Contents""; ""EXECUTIVE SUMMARY""; ""INTRODUCTION""; ""FAILURE""; ""ABNORMAL STABILITY""; ""1 EXCAVATION, MAINTENANCE, AND PERFORMANCE""; ""BEFORE THE EXCAVATION""; ""DURING EXCAVATION""; ""UNSUPPORTED OPENINGS""; ""CHANGE IN STRESSES""; ""CHANGE IN STRENGTH""; ""DECREASE IN SUPPORT CAPACITY""; ""SUPPORTED OPENINGS""; ""HOLE COLLAPSE""; ""INSUFFICIENT BONDING""; ""FORMATION DAMAGE""; ""LONG-TERM STABILITY""; ""2 OBSERVATIONAL EVIDENCE""; ""FIELD OBSERVATIONS""; ""LABORATORY OBSERVATIONS""
	""3 stability assessment""""closure measurements""; ""geophysical measurements""; ""in-situ stress conditions""; ""civil and mining engineering""; ""4 rock-mass assessment""; ""scale of investigation and resolution""; ""mechanical properties and the stability of the openings""; ""primary factors affecting the remote assessment of rock-mass properties""; ""high-resolution surface sounding""; ""seismic methods""; ""electrical resistivity sounding""; ""radar sounding and radar tomography""; ""rock-mass exploration by means of pilot boreholes""; ""measurement-while-drilling (mwd)""
	""5 analytical and numerical modeling""""unsupported openings""; ""elastic analysis""; ""inelastic analysis""; ""simplified bifurcation analysis""; ""isotropic far-field stresses""; ""numerical analysis of localization phenomena in deep boreholes""; ""nonlinear effects""; ""time-dependent effects""; ""scale effects""; ""supported openings""; ""elastic analysis""; ""nonlinear or time-dependent analysis""; ""intersections""; ""slabbing and exfoliation""; ""influence of preexisting discontinuities or structure""; ""discrete element method""; ""block theory""
	""Discontinuous deformation analysis""""6 conclusions""; ""references""
Local Note	eBooks on EBSCOhost EBSCO eBook Subscription Academic Collection - North America
Subject	Borehole mining.
	Borehole mining.
	Boring.
	Boring.
Genre/Form	Electronic books.
Added Author	Roegiers, Jean-Claude.
	National Research Council (U.S.). Panel on Borehole Stability.
	National Research Council (U.S.). Geotechnical Board.
	National Research Council (U.S.). Commission on Engineering and Technical Systems.
Other Form:	Print version: U.S. National Committee for Rock Mechanics. Stability, failure, and measurements of boreholes and other circular openings. Washington, DC : National Academy Press, 1993 (OCoLC)28139670
ISBN	0309572258 (electronic book)
	9780309572255 (electronic book)

Title Stability, failure, and measurements of boreholes and other circular openings / U.S. National Committee for Rock Mechanics, Geotechnical Board, Commission on Engineering and Technical Systems, National Research Council.

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