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

• Pubblicazione: Washington, DC : , : National Academy Press, , 1993
• Descrizione fisica: 1 online resource (x, 92 pages) : illustrations
• Disciplina: 622.24
• Soggetto topico: Borehole mining; Boring
• Altri autori: RoegiersJean-Claude
• Note generali: "Panel on Borehole Stability."; Panel chairman: Jean-Claude Roegiers.
• Nota di contenuto: ""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""
• Titolo autorizzato: Stability, failure, and measurements of boreholes and other circular openings
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910777584603321
• Lo trovi qui: Univ. Federico II