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.

Format:

Book

Government document

Author/Creator:

U.S. National Committee for Rock Mechanics.

Contributor:

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.

Language:

English

Subjects (All):

Borehole mining.

Boring.

Physical Description:

1 online resource (x, 92 pages) : illustrations

Place of Publication:

Washington, DC : National Academy Press, 1993.

Language Note:

English

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""

Notes:

"Panel on Borehole Stability."

Panel chairman: Jean-Claude Roegiers.

OCLC:

923271276