1;Foreword;5 2;Preface;10 3;Contents;12 4;Contributors;16 5;Top-Author Biographies;21 6;Introduction: The Scenary of Three Gorges, from Downstream to Upstream;28 7;Part I Regional Properties of Landslides;41 7.1;1 Geo-hazard Initiation and Assessment in the Three Gorges Reservoir;42 7.1.1; Introduction;42 7.1.2; Regional Assessments of Geo-hazards;42 7.1.2.1; Problems and Concepts;43 7.1.2.1.1; Basic Problems;43 7.1.2.1.2; Basic Concepts;43 7.1.2.2; Evaluation Method for Geological Hazards Regional Analysis;43 7.1.2.2.1; ''Distribution Degree'' of Geological Hazards;44 7.1.2.2.2; ''Potentiality Degree'' of Geological Hazards;45 7.1.2.2.3; ''Dangerous Degree'' of Geological Hazards;45 7.1.2.2.4; ''Harmful Degree'' of Geological Hazards;46 7.1.2.3; The Division Methods of Geological Hazard Evaluation;47 7.1.2.4; Evaluation of Geological Disasters in the Three Gorges Reservoir Area;47 7.1.2.4.1; Overall Features of Geological Disasters;48 7.1.2.4.2; Calculation and Analysis of Assessment;48 7.1.2.4.3; Disaster Prevention Measures;52 7.1.3; Initiation Mechanism of Complex Slope in the Three Gorges;52 7.1.3.1; Facts and Viewpoints;53 7.1.3.1.1; Basic Facts;53 7.1.3.1.2; Scientific Knowledge;53 7.1.3.2; Regional Geological Evidence;54 7.1.3.2.1; Regional Geological Structure;54 7.1.3.2.2; Neo-tectonic Stress Field in the Three Gorges Region Inversed Analysized by River System;54 7.1.3.2.3; River System Fractal Character;55 7.1.3.2.4; Supergene Dynamic Phenomenon;56 7.1.3.3; Ancient Chuanjiang River Connected with Ancient Xiajiang River Forming a Unified Yangtze River and Slope Evolution;58 7.1.3.3.1; The Ancient Chuanjiang River and the Xiajiang River Linking up Was a Great Natural Event;59 7.1.3.3.2; Geological Dynamic Background;60 7.1.4; The Complex Slope Failure Initiation and Assessment in Badong County;61 7.1.4.1; Statement of Problem;61 7.1.4.2; Geological Characteristic of Badong Big Slope;62 7.1.4.2.1; Morphologic Features;62 7.1.4.2.2; Stratum Combination;63 7.1.4.2.3; The Vestige of Geological Structure;64 7.1.4.2.4; The Question About the ''Badong Fracture'';64 7.1.4.2.5; Joint and ''Fracture'' of Slope Area;66 7.1.4.2.6; Geomechanics Model of Superficial Deformation and Damage;67 7.1.4.3; Badong Complex Slope System and Its Failure Initiation;69 7.1.4.3.1; Badong Complex Slope System;69 7.1.4.3.2; Initiation Theory of Gravity;71 7.1.4.3.3; Numerical Simulation Analysis with FLAC 3D ;72 7.1.4.4; Regional Geo-environment Quality Assessment of the Badong Slope;73 7.1.4.4.1; Basic Idea;73 7.1.4.4.2; Geo-environment Evaluation of Badong Slope;74 7.1.5; Conclusions;76 7.1.6;References;77 7.2;2 Bank Slope Stability Evaluation for the Purpose of Three Gorges Reservoir Dam Construction 0 ;80 7.2.1; Types of Reservoir Bank Slopes and Assessment of the Stability Conditions;82 7.2.1.1; Types and Characteristics of the Reservoir Bank Slopes;82 7.2.2; Assessment on Stable Conditions of the Reservoir Bank Slopes;83 7.2.3; Rock Falls, Landslides, and Dangerous Rocks;85 7.2.3.1; Distribution Features of the Landslides;86 7.2.3.1.1; Geographical Distribution;86 7.2.3.1.2; Elevation of the Landslides Distribution;90 7.2.3.1.3; Relationship with the Lithology and Stratigraphy;90 7.2.3.1.4; Relationship with Geological Structure;91 7.2.3.1.5; Relationship with the Structure of the River Bank Slope;92 7.2.3.2; Structural Characteristics of the Landslides;93 7.2.3.3; Physical and Mechanical Properties of the Sliding Zone;93 7.2.3.3.1; Material Composition of the Sliding Zone;93 7.2.3.3.2; Physical and Mechanical Properties;95 7.2.3.3.3; Microstructure Feathers of the Sliding Zone;99 7.2.3.4; Hydro-geological Characteristics of the Landslides;99 7.2.3.4.1; Water-Bearing Capacity and Permeability of the Landslides;99 7.2.3.4.2; Recharge and Discharge Conditions of Ground Water in the Landslides;100 7.2.3.4.3; Ground Water Fluctuation and Its Affecting Factors;101 7.2.3.5; Formation Age of the Landslides;102 7.2.3.5.1; Determination of