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Corp Author U.S. National Committee for Rock Mechanics.
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.
Imprint Washington, DC : National Academy Press, 1993.

Corp Author U.S. National Committee for Rock Mechanics.
Subject Borehole mining.
Boring.
Alt Name 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.
Description 1 online resource (x, 92 pages) : illustrations
polychrome rdacc http://rdaregistry.info/termList/RDAColourContent/1003
Note "Panel on Borehole Stability"--Page iii.
Panel chairman: Jean-Claude Roegiers.
Print version record.
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 assessmentclosure 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 modelingunsupported 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 analysis6 conclusions -- references
ISBN 0309572258 (electronic bk.)
9780309572255 (electronic bk.)
OCLC # 58594071
Additional Format 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.


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