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Intro; Preface; Curriculum vitae; Contents; Preparatory Aspects of the Methodology of Analysis; 1 Genesis and Structures of Cohesive Soils; 1.1 Introduction; 1.2 Mineralogic Composition of Clays; 1.3 Electrostatic Characteristics of Clays; 1.4 Genesis of Clayey Soils; References; 2 Causes of Lanslides in Cohesive Soils; 2.1 Introduction; 2.2 The Principle of Effective Stresses; 2.3 Equilibrium Conditions; 2.3.1 Passive Thrust; 2.3.2 Active Thrust; 2.4 The Failure Process (from Bles and Feuga 1981); 2.4.1 Failure of Rocks Under Tension; 2.4.2 Failure of Rocks Under Compression
2.5 The Influence of Pore-Water PressureReferences; 3 The Dating of Landslides; 3.1 Introduction; 3.2 General Overview of Quaternary Subdivisions in Marine Environment; 3.3 Chronostratigraphic Evaluations of Landslide Units; 3.4 Analytical Procedure for the Chronological Evaluation of Pre-Existing Landslides by Means of Tables 3.1 and 3.2-Example Referring to Würm; 3.5 The Importance of a Correct Site Analysis; References; 4 The Pre-failure Deformation; 4.1 Introduction; 4.2 Development of Cracks Under Compression; 4.3 Analysis of Brittle Deformation
4.4 Definition and Description of the Various Types of Fractures4.4.1 Diaclases and Joints; 4.4.2 Extension Fractures (Fentes); 4.4.3 Faults; 4.5 Interpretation of the Mechanisms of Fractures Formation; 4.5.1 Introduction; 4.5.2 Formation of Diaclases and Joints; 4.5.3 Formation of Extension Fractures and Fentes; 4.5.4 Formation of Faults; 4.6 The Stress Field; 4.6.1 Identification of the Stress Field; 4.6.2 Stress Field in a Continuous Medium; 4.6.3 Stress Field in a Discontinuous Medium; 4.6.4 Method of the Minimum Dihedral (or Quick Method); 4.7 The Analysis Process; References
Methodological and Analytical Aspects5 The Dynamics of Disruptions; 5.1 Introduction; 5.2 Dynamics of Recent Landslides; 5.2.1 First Environment; 5.2.2 Second Environment; 5.2.3 Third Environment; 5.3 Pre-existing Landslides; 5.3.1 Relation Between Stress and Strain; 5.3.2 Causes of Deformation at Failure; 5.3.3 Reactivation of Pre-existing Landslides; References; 6 The Role of the Coefficient of Permeability K; 6.1 Introduction; 6.2 The Effect of Ground Anisotropy on Permeability; 6.3 Consequence of Slopes Erosion on the Variations of the Coefficient of Permeability K
6.4 The North-Eastern Slope of Tricarico6.4.1 Location; 6.4.2 Lithology of the Slope; 6.4.3 Morphological Processes in Place; 6.4.4 Instrumental Monitoring; 6.4.5 Discussion; 6.5 Hydraulic Conductivity and Hydraulic Potential at Failure; References; 7 Landslides Types and Their Failure Mechanisms; 7.1 Introduction; 7.2 Monotype Landslides; 7.3 Composite Landslides; 7.4 The Great Ancona Landslide; 7.4.1 Chronicle Notes (from Carciofi 1983); 7.4.2 Summary of Damages (from Carciofi 1983); 7.4.3 Geological-Structural Framework of the Landslide; 7.4.4 Morphological Aspects of the Slope
2.5 The Influence of Pore-Water PressureReferences; 3 The Dating of Landslides; 3.1 Introduction; 3.2 General Overview of Quaternary Subdivisions in Marine Environment; 3.3 Chronostratigraphic Evaluations of Landslide Units; 3.4 Analytical Procedure for the Chronological Evaluation of Pre-Existing Landslides by Means of Tables 3.1 and 3.2-Example Referring to Würm; 3.5 The Importance of a Correct Site Analysis; References; 4 The Pre-failure Deformation; 4.1 Introduction; 4.2 Development of Cracks Under Compression; 4.3 Analysis of Brittle Deformation
4.4 Definition and Description of the Various Types of Fractures4.4.1 Diaclases and Joints; 4.4.2 Extension Fractures (Fentes); 4.4.3 Faults; 4.5 Interpretation of the Mechanisms of Fractures Formation; 4.5.1 Introduction; 4.5.2 Formation of Diaclases and Joints; 4.5.3 Formation of Extension Fractures and Fentes; 4.5.4 Formation of Faults; 4.6 The Stress Field; 4.6.1 Identification of the Stress Field; 4.6.2 Stress Field in a Continuous Medium; 4.6.3 Stress Field in a Discontinuous Medium; 4.6.4 Method of the Minimum Dihedral (or Quick Method); 4.7 The Analysis Process; References
Methodological and Analytical Aspects5 The Dynamics of Disruptions; 5.1 Introduction; 5.2 Dynamics of Recent Landslides; 5.2.1 First Environment; 5.2.2 Second Environment; 5.2.3 Third Environment; 5.3 Pre-existing Landslides; 5.3.1 Relation Between Stress and Strain; 5.3.2 Causes of Deformation at Failure; 5.3.3 Reactivation of Pre-existing Landslides; References; 6 The Role of the Coefficient of Permeability K; 6.1 Introduction; 6.2 The Effect of Ground Anisotropy on Permeability; 6.3 Consequence of Slopes Erosion on the Variations of the Coefficient of Permeability K
6.4 The North-Eastern Slope of Tricarico6.4.1 Location; 6.4.2 Lithology of the Slope; 6.4.3 Morphological Processes in Place; 6.4.4 Instrumental Monitoring; 6.4.5 Discussion; 6.5 Hydraulic Conductivity and Hydraulic Potential at Failure; References; 7 Landslides Types and Their Failure Mechanisms; 7.1 Introduction; 7.2 Monotype Landslides; 7.3 Composite Landslides; 7.4 The Great Ancona Landslide; 7.4.1 Chronicle Notes (from Carciofi 1983); 7.4.2 Summary of Damages (from Carciofi 1983); 7.4.3 Geological-Structural Framework of the Landslide; 7.4.4 Morphological Aspects of the Slope