Call number:
M 16.89755
Description / Table of Contents:
Provides a deeper understanding of earthquake processes, based on laboratory-derived physical laws and formulae, for researchers, professionals and graduate students
Type of Medium:
Monograph available for loan
Pages:
x, 270 S.
Edition:
Online-Ausg. 2013
ISBN:
9781107030060
Classification:
Seismology
Parallel Title:
Print version: The Physics of Rock Failure and Earthquakes
Language:
English
Note:
Contents; Preface; 1 Introduction; 2 Fundamentals of rock failure physics; 2.1 Mechanical properties and constitutive relations; 2.1.1 Elastic deformation; 2.1.2 Ductile deformation; 2.1.3 Fracture; 2.1.4 Friction; 2.2 Basics of rock fracture mechanics; 2.2.1 Energy release rate and resistance to rupture growth; 2.2.2 Stress concentration and cohesive zone model; 2.2.3 Breakdown zone model for shear failure; 2.2.4 j-integral and energy criterion for shear failure; 2.2.5 Relation between resistance to rupture growth and constitutive relation parameters.
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3 Laboratory-derived constitutive relations for shear failure3.1 Shear failure of intact rock; 3.1.1 Method and apparatus used; 3.1.2 Constitutive relations derived from data on the shear failure of intact rock; 3.1.3 Geometric irregularity of shear-fractured surfaces and characteristic length; 3.2 Frictional slip failure on precut rock interface; 3.2.1 Method and apparatus used; 3.2.2 Geometric irregularity of precut fault surfaces and characteristic length; 3.2.3 Constitutive relations derived from data on frictional stick-slip failure.
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3.2.4 Laboratory-derived relationships between physical quantities observed during dynamic slip rupture propagation3.3 Unifying constitutive formulation and a constitutive scaling law; 3.3.1 Unification of constitutive relations for shear fracture and for frictional slip failure; 3.3.2 A constitutive scaling law; 3.3.3 Critical energy required for shear fracture and for frictional stick-slip failure; 3.3.4 Stabilityinstability of the breakdown process; 3.3.5 Breakdown zone size; 3.4 Dependence of constitutive law parameters on environmental factors; 3.4.1 Introduction.
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3.4.2 Dependence of shear failure strength on environmental factors3.4.3 Dependence of breakdown stress drop on environmental factors; 3.4.4 Dependence of breakdown displacement on environmental factors; 4 Constitutive laws for earthquake ruptures; 4.1 Basic foundations for constitutive formulations; 4.2 Rate-dependent constitutive formulations; 4.3 Slip-dependent constitutive formulations; 4.4 Depth dependence of constitutive law parameters; 5 Earthquake generation processes; 5.1 Shear failure nucleation processes observed in the laboratory; 5.1.1 Introduction; 5.1.2 Experimental method.
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5.1.3 Nucleation phases observed on faults with different surface roughnessesRough fault; Smooth fault; Extremely smooth fault; 5.1.4 Scaling of the nucleation zone size; 5.2 Earthquake rupture nucleation; 5.2.1 Seismogenic background; 5.2.2 Physical modeling and theoretical derivation of the nucleation zone size; 5.2.3 Comparison of theoretical relations with seismological data; 5.2.4 Foreshock activity associated with the nucleation process; 5.3 Dynamic propagation and generation of strong motion seismic waves; 5.3.1 Slip velocity and slip acceleration in the breakdown zone.
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5.3.2 The cutoff frequency fs max of the power spectral density of slip acceleration at the source.
