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Tensile Fracturing in Rocks : Tectonofractographic and Electromagnetic Radiation Methods - Dov Bahat

Tensile Fracturing in Rocks

Tectonofractographic and Electromagnetic Radiation Methods

Hardcover Published: 1st November 2004
ISBN: 9783540214564
Number Of Pages: 570

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'Tensile Fracturing in Rocks' presents field observations on fracturing of sedim- tary rocks and granite outcrops from various provinces in three continents. It also combines results of recent experiments conducted at different laboratories around the world with current theories on fracturing. In treating faults, this book limits itself to faults that are associated with joint sets produced by definable causes and occasi- ally to cases where interaction between the two types of fracture - faults and joints - is not clear. The book's subject matter is divided over six chapters, which are briefly described below. Chapter 1 summarizes current key concepts in fracture physics. It starts with a pr- entation of the elastic theory of fracture, and concentrates on the results of linear el- tic fracture mechanics. The chapter touches also upon other fracture properties, e.g., crack nucleation, dynamic fracturing and slow fracturing processes. Nucleation is - dressed by statistical mechanics methods incorporating modern approaches of th- mal and fiber bundle processes. The analyses of dynamic fracturing and slow fract- ing focus on the differences, as compared to the linear elastic approach. The cont- versy in interpreting experimental dynamic results is highlighted, as are the surface morphology patterns that emerge in fracturing and the non-Griffith crack extension criterion in very slow fracturing processes.

Fracture Physics: The Griffith Criterion
Nucleation
Linear Elastic Fracture Mechanisms
Dynamic Fracture
Subcritical Cracking
Fracture Geology: Fractography and Tectonofractography
Uplift
Post-Uplift
Neotectonic and Surface Joints
Primary and Secondary Fractures
Four Fracture Provinces in Sedimentary Rocks: The Appalachian Plateau
The Bristol Channel Basin
Zion National Park
Beer-Sheva Syncline, Israel
Comparison of Unrelated Fracture Provinces
Jointing in Granites: The Cloos Model
Fracture in Granites from the North Bohemian Massif in the Lusatian Granodiorite Complex and the Erzgebirge
Joints in Granites from the South Bohemian Pluton
Joints in Granites from the Sierra Nevada Batholith in California
Fractographies
Quasi-Static and Dynamic Fractures
Comparative Jointing
Analysis of Fracture Velocity versus Stress Intensity Factor in the Borsov Joints
Velocity and Stress Intensity Manifestations of Fracture Propagation in Granites
New Fracture Areas in the Enchelon and Hackle Fringes on Joint Surfaces
The Index of Hackle Raggedness on Joint-Fringes
Drilling in-situ Fracture from the Rock
Electromagnetic Radiation Induced in Fractured Materials: History of EMR Research
The EMR Model
EMR Pulses Induced by Rock Fracture
EMR and Material Elasticity
EMR and Percussion Drilling
EMR Detection
EMR Induced by Underground Rocks under Stress
Assorted Problems in Fracture Geology: Regional Jointing
Systematic Joints
Joint-Length Distribution
Paleo-Fracture Stress
Fault Termination Zone
Fault-Joint Relationships
A New Fringe Characterization and Analysis
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9783540214564
ISBN-10: 3540214569
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 570
Published: 1st November 2004
Publisher: Springer-Verlag Berlin and Heidelberg Gmbh & Co. Kg
Country of Publication: DE
Dimensions (cm): 23.5 x 15.5  x 2.54
Weight (kg): 1.03