TIME EFFECTS IN ROCK MECHANICS

By STEVEN DAVIS

CONTENTS DISCONTINUITIES CHARACTERIZATION AND MODELING OF THE SHEAR STRENGTH, STIFFNESS AND HYDRAULIC BEHAVIOR OF ROCK JOINTS FOR ENGINEERING PURPOSES STATISTICAL FRACTURE TOUGHNESS STUDY FOR ROCKS ANISOTROPY ROCK DAMAGE MECHANICS EXPERIMENTAL AND NUMERICAL ANISOTROPIC ROCK MECHANICS CHARACTERIZATION OF ROCK MASSES BASED ON GEOSTATISTICAL JOINT MAPPING AND ROCK BORING OPERATIONS ROCK STRESS HYDRAULIC FRACTURING STRESS MEASUREMENTS IN DEEP HOLES HYDROFRACTURING METHODOLOGY FOR DETERMINATION OF THE COMPLETE STRESS TENSOR AND ITS VARIATION VERSUS DEPTH BASED ON OVERCORING ROCK STRESS DATA MEASUREMENT OF INDUCED STRESS AND ESTIMATION OF ROCK MASS STRENGTH IN THE NEAR-?ELD AROUND AN OPENING GEOPHYSICS COMPRESSIVE STRENGTH–SEISMIC VELOCITY RELATIONSHIP FOR SEDIMENTARY ROCKS ELASTIC WAVES IN FRACTURED ISOTROPIC AND ANISOTROPIC MEDIA STRENGTH CRITERIA ON YIELDING, FAILURE, AND SOFTENING RESPONSE OF ROCK TRUE TRIAXIAL TESTING OF ROCKS AND THE EFFECT OF THE INTERMEDIATE PRINCIPAL STRESS ON FAILURE CHARACTERISTICS THE MSDPU MULTIAXIAL CRITERION FOR THE STRENGTH OF ROCKS AND ROCK MASSES UNI?ED STRENGTH THEORY (UST) FAILURE CRITERIA FOR TRANSVERSELY ISOTROPIC ROCK USE OF CRITICAL STATE CONCEPT IN DETERMINATION OF TRIAXIAL AND POLYAXIAL STRENGTH OF INTACT, JOINTED AND ANISOTROPIC ROCKS PRACTICAL ESTIMATE OF ROCK MASS STRENGTH AND DEFORMATION PARAMETERS FOR ENGINEERING DESIGN MODELING ROCK DEFORMATION AND FAILURE CONSTITUTIVE MODELING OF GEOLOGIC MATERIALS, INTERFACES AND JOINTS USING THE DISTURBED STATE CONCEPT MODELING BRITTLE FAILURE OF ROCK PRE-PEAK BRITTLE FRACTURE DAMAGE NUMERICAL ROCK FRACTURE MECHANICS LINEAR ELASTICITY WITH MICROSTRUCTURE AND SIZE EFFECTS ROCK CREEP MECHANICS