Dam Breach Modelling and Risk Disposal

Name: Dam Breach Modelling and Risk Disposal | Proceedings of the First International Conference on Embankment Dams (ICED 2020)
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Proceedings of the First International Conference on Embankment Dams (ICED 2020)

Jian-Min Zhang Limin Zhang Rui Wang(Editor)

Springer (Publisher)

1st Edition

Published on 20. April 2020

XV, 394 pages

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978-3-030-46351-9 (ISBN)

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Content

Intro
Preface
Acknowledgements
Organisation
Regional Organising Committee
Co-chairs of the Committee and Conference
Secretary
Members
International Advisory Committees
ISSMGE-TC210 Members
Contents
Keynote Lectures
Improvement to the Analytical Method for Dam Breach Flood Evaluation
1 Introduction
2 Soil Erosion Models
2.1 Relationship Between the Erosion Rate and Shear Stress
2.2 Soil Erodibility Test
3 Modeling Lateral Enlargement
3.1 Slope Stability of the Channel Banks
3.2 Improved Approaches
4 Numerical Modeling of Sam Breach Flood
4.1 Governing Equations
4.2 Algorithm
4.3 Computer Software
4.4 Suggested Values of Input for Preliminary Studies
5 Case Study
5.1 Breach of Tangjiashan Barrier Lake
5.2 Sensitivity Analyses
6 Conclusions
References
Failure of Saddle Dam, Xe-Pian Xe-Namnoy Project: Executive Summary
Building Cemented Material Dam with Soft Rock Material
1 Introduction
2 The Jinjigou CMD Constructed with Soft Rock Material
2.1 Mix Design of Material
2.2 In-situ Direct Shearing Test
3 Conclusion
References
Cascading Mechanisms Behind the 2018 Indonesia Sulawesi Earthquake and Tsunami Disasters: Inland/Coastal Liquefaction, Landslides and Tsunami
1 Introduction
2 Review of Large-Scale Coastal Mass Movements and Their Impacts: Submarine Landslide-Induced Tsunamis
3 Dynamics of Liquefied Gravity Flows
4 Cascading Mechanisms of the 2018 Indonesia Sulawesi Earthquake and Tsunami Disasters
5 Conclusions
References
Update on ICOLD Embankment Dam Technical Committee Works
1 Part A - A Brief Review of the Last Already Published Bulletins
1.1 Embankment Dams on Permafrost A Review of the Russian Experience (Bulletin 133)
1.2 Weak Rocks and Shales in Dams (Bulletin 134)
1.3 Concrete Face Rockfill Dams - Concepts for Design and Construction (Bulletin 141)
1.4 Cutoffs for Dams (Bulletin 150)
1.5 Tropical Residual Soils as Dam Foundation and Fill Material (Bulletin 151)
1.6 Internal Erosion in Existing Dams, Levees and Dikes and Their Foundations
1.7 Asphalt Concrete Cores for Embankment Dams (Bulletin 179)
2 Part B - A Brief Review of the Works in Progress
2.1 Geotextiles in Dams
2.2 Cofferdams
2.3 Materials for Cutoffs
2.4 Deformations and Cracking in Embankment Dams
2.5 Updating the CFRD Bulletin
2.6 Compaction of Earth Fill in Embankment Dams
References
Particle Mobilization and Piping Erosion of Granular Soil Under Various Fluid Characteristics and Flow Conditions
1 Introduction
2 Experimental Methodology on Particle Mobilization
2.1 Experimental Setup
2.2 Design of Experiments
2.3 Experimental Procedure and Analysis Approach
3 Experimental Methodology on Piping Erosion Progression
3.1 Experimental Setup
3.2 Experimental Design and Fluid Preparation
3.3 Experimental Procedure of HET and Results Analysis Approach
4 Results and Analysis of Particle Mobilization Experiments
5 Results and Analysis of Piping Erosion Progression Experiments
6 Summary and Conclusions
References
Key Technology in the Remediation Project of Hongshiyan Landslide-Dammed Lake on Niulan River Caused by "803" Earthquake in Ludian, Yunnan
1 Background
2 Overview of Hongshiyan Landslide Dammed Lake
3 Emergency Treatment and Subsequent Disposal Under Lack of Information
3.1 Uniqueness of the Location of the Dammed Block
3.2 Definition of Lack of Information Condition
3.3 Establishment of Terrain and Hydrology Model Under LoI Condition
3.4 Calculation of Dam-Break Flood and Its Impact Analysis on Upstream and Downstream Reaches
3.5 Emergency Treatment Complete Technology
4 Implementation Plan for Remediation Project
4.1 Urgency and Necessity of Remediation Project
4.2 Concept of "Eliminating Hazard and Utilizing Resources"
4.3 Comparison of Remediation Schemes
4.4 Remediation Project and Key Technologies
5 Key Technology for Comprehensive Treatment of 750 m-High Slope Resulting from Intense Earthquake
5.1 Survey and Geological Analysis
5.2 Mechanism of High-Slope Collapse and Formation of Landslide Dam and Stability Analysis
5.3 Comprehensive Measures
5.4 Analysis of Monitoring Data
6 Key Technology for Remediating the 130 m Landslide Dam Composed of Discontinuous Wide Gradation Materials
6.1 Comprehensive Geophysical and Heavy-Duty Investigation Technologies for Identifying the Components of Landslide Dam and Physical-Mechanical Parameters
6.2 Anti-seepage Proposal
6.3 Analysis of Deformation, Seepage and Stability of the Landslide Dam
6.4 Construction Technology of Cut-off Wall and Grouting Technology of Landslide Dam
7 Summary
Emergency Response and Thinking of Risk in Baige Barrier Lake in the Jinsha River
1 Hydropower Planning for the Upper Reaches of Jinsha River
2 Formation and Break Process of Baige Barrier Lake
2.1 The First Barrier Lake Formed on "10.11"
2.2 The Second Barrier Lake Formed on "11.03"
3 Emergency Response to the Risk of Barrier Lake
3.1 Major Emergency Response Plans
3.2 Dynamic Tracking Analysis of Flood Situation of Varrier Lake and Barrier Break Flood
4 Inspiration of Risk Response and Work Prospect
4.1 Cascade Risk Assessment of Upstream Jinsha River
4.2 Reasonable Arrangement of Construction Sequence of Cascade Power Stations
4.3 Demonstration and Revision on the Relevant Technical Standards for Hydropower Projects
4.4 Improvement of the Emergency Safety Management Level of Hydropower Projects
5 Conclusions
ISSMGE Bright Spark Lectures and Invited Lectures
Stability and Failure Mechanisms of Riprap on Steep Slopes Exposed to Overtopping
1 Background
2 Methodology
2.1 Model Tests
2.2 Field Tests
3 Results
4 Discussion
5 Conclusion
References
Towards Physics-Based Large-Deformation Analyses of Earthquake-Induced Dam Failure
1 Introduction
2 A Hydro-Mechanically Coupled MPM Model
2.1 Governing Equations for Porous Media
2.2 Solid-Liquid Coupled MPM Formulation
3 Case Study of the Lower San Fernando Dam Failure
3.1 The Bounding Surface Hypoplasticity Model and Input Wave
3.2 Analysis Results of the Dam
4 Conclusions
References
A Cylindrical Erosion Test Apparatus for Erosion Tests on Samples from Yigong Landslide Dam
1 Introduction
2 Description for Cylindrical Erosion Test Apparatus
3 Erosion Testing
3.1 Setup and Testing Procedure
3.2 Typical Results
4 Conclusions
References
Determination of Non-uniform Input Ground Motion for High Concrete Face Rockfill Dams
1 Introduction
2 Method to Determine Incident Waves
3 Example for Incident Wave Determination
4 Dynamic Analysis of Gushui CFRD
5 Conclusions
References
Case Histories of Failure of Embankment Dams and Landslide Dams
Effects of Dam Failure Mechanisms on Downstream Flood Propagation
1 Introduction
2 Breach Prediction Models
2.1 Empirical Methods
2.2 Semi-physically Based Models
2.3 Physically Based Models
3 A Case Study: Sciaguana Dam Break Simulation
3.1 Numerical Analyses by Using HEC RAS Code
3.2 Application of Empirical Breach Prediction Methods
4 Concluding Remarks
References
Stability Assessment of the Embankment Dam Systems Under Different Seismic Loads in Southern California and Evaluation of the Current Design Criteria
1 Introduction
2 Problem Definition
2.1 Input Motions
2.2 Site and Dam Characteristics
3 Finite Element Modelling
3.1 Model Verification
4 Results and Discussions
5 Conclusions
References
Piping Risk Reduction Measures for Mengkuang Dam Upgrading Project
1 Introduction
2 Importance of the Dam Upgrading Project
3 Site Conditions
4 Internal Erosion Control Measures
5 Dam Foundation Seepage Cutoff Works
6 Piping Risk Reduction Measures
6.1 Risk of Piping at Left Abutment of Extended Dam
6.2 Risk of Piping at Extended Dam Foundation
6.3 Risk of Hydraulic Fracture of Dam Embankment at River Channel
6.4 Risk of Internal Erosion of Dam Core Adjacent Draw-off Culvert of Existing Dam
6.5 Risk of Piping Failure of Existing Dam Due to Dam Raising Works
7 Conclusions
References
The Outburst Flood of the 2000 Yigong Landslide Dam Based on Limited Information
1 Introduction
2 Methodology of Simulating Landslide Dam Breach Flood
3 Flood Simulation of the 2000 Yigong Landslide Dam
3.1 Introduction of the 2000 Yigong Landslide Dam
3.2 Establishment of the Model
3.3 Flood Evolution Simulation
4 Results
References
Estimation and Prediction Method of Water Level, Flow and Bursting Time of Baige Barrier Lake in Jinsha River
1 Introduction
2 Overview of the Second Danger Case of Baige Barrier Lake and the Emergency Response
3 Estimation and Prediction of Development Process of Water Level, Storage and Discharge Flow of Barrier Lake
4 Time Prediction of the Barrier Lake Entering the Stage of Flow Burst
5 Conclusion
References
Dam Failure Process Modelling
Modelling of Overtopping and Erosion of Embankment Dams on a Drum Centrifuge
1 Introduction
2 Principle of Drum Centrifuge Modeling
3 HKUST Drum Centrifuge
4 Embankment Dam Modular Package
5 Summary
References
Displacement Prediction of Concrete Dams: Combining Finite Element Method and Data-Driven Method
1 Introduction
2 Model Development
3 Case Study
4 Conclusion
References
Centrifuge Model Tests on Ecologically Reinforced Soil Slopes Under Vertical Loading
1 Introduction
2 Description of Model Tests
2.1 Devices
2.2 Schemes
2.3 Model Preparation
2.4 Test Process and Measurements
3 Deformation and Failure Behavior of Slopes
3.1 Ultimate Bearing Capacity
3.2 Failure Morphology
3.3 Deformation Behavior
3.4 Failure and Reinforcement Mechanism
4 Conclusion
References
Numerical Simulation of Landslide Dam Formation and Failure Process
1 Introduction
2 Methodology
2.1 Prediction of Landslide
2.2 Prediction of Landslide Dam Formation and Failure
3 Case Study on Hong Kong Island
4 Conclusions
References
Site Amplification Effects of Canyon on the Post-earthquake Profile of Earth Dam
1 Introduction
2 Methodology and Formulations
3 Results and Discussions
4 Conclusions
References
Dynamic Response of a Central Clay Core Dam Under Two-Component Seismic Loading
1 Introduction
2 Soil Constitutive Model
2.1 Mechanical Properties of Aratozawa Dam
3 Simulation of Aratozawa Dam
3.1 Finite Element Mesh
3.2 Static Calculation
3.3 Dynamic Calculation
4 Conclusion
References
Soil Mechanics for Embankment Dams
Modeling of Soil Migration Phenomena in Embankment Dams
1 Introduction
2 "Continuum" Modeling Approach
3 Proposed Numerical Procedure
3.1 Geometrical Characterization
3.2 Hydraulic Characterization
3.3 Problem's Setting and Governing Equations
4 Applications and Comparisons
5 Concluding Remarks
References
An Experimental Study on the Effect of Soil-Structure Interface on the Occurrence of Internal Erosion
1 Introduction
2 Outline of the Experiment
2.1 Experimental Apparatus
2.2 Erodible Soil Materials
2.3 Modeling of the Concrete Structure and Experimental Cases
2.4 Experimental Procedure
3 Testing Results
3.1 The Impact of the Soil-Structure Interface on the Permeability
3.2 The Impact of the Soil-Structure Interface on the Occurrence of Erosion
4 Conclusions
References
CFD-DEM Simulations of Seepage Induced Erosion
1 Introduction
2 Methodology
3 Macro-micro Scale Observations of the Seepage Erosion
4 Summary
References
Microscopic Aspects of Internal Erosion Processes in Gap-Graded Soils
1 Introduction
2 Methodology
2.1 Experimental Test
2.2 Numerical Simulation
3 Results and Discussion
4 Conclusions and Outlook
References
Numerical Investigation on Sediment Bed Erosion Based on CFD-DEM
1 Introduction
2 Methodology of the Erosion Simulation
2.1 Theoretical Basis for CFD-DEM Model
2.2 Interaction Procedures
2.3 Benchmark Cases
3 Erosion Simulation
4 Results and Discussion
References
Risk Assessment and Management
Reliability Analysis for the Surface Sliding Failure of Gravity Dam
1 Introduction
2 Reliability-Based Calibration of Safety Factor Design
2.1 RBD
2.2 Reliability-Based Calibration of the Safety Factor for Gravity Dam
3 Main Random Variables of Gravity Dams
4 Calibration of Safety Factor in Gravity Dam Engineering
4.1 Calibration Process
4.2 Calibration Results
5 Conclusion
References
Quantification of Uncertainties for Risk Management of Landslide Dam Break Emergency
1 Introduction
2 Methodology
2.1 Prediction of Outburst Flood
2.2 Flood Routing Analysis
3 Case Study
4 Summary and Conclusions
References
Dike-Break Induced Flood Simulation and Consequences Assessment in Flood Detention Basin
1 Introduction
2 Mike21-Based Flood Simulation Approach
2.1 Governing Equations
2.2 Boundary Conditions
2.3 Model Parameters
2.4 Flood Diversion
3 Estimation of Flood Consequences
3.1 Estimate of Life Losses
3.2 Estimate of Economic Losses
3.3 Estimate of Environment Losses
4 Engineering Application
4.1 Study Site
4.2 Dike Breach Discharge
4.3 Dike-Break Flood Simulation
4.4 Flood Inundation Pattern
4.5 Dike-Break Induced Flood Consequences
5 Conclusion
References
Flood Consequences Under Extreme Storms over Hong Kong Island
1 Introduction
2 Study Area
3 Rainfall-Induced Runoff and Flooding
4 Consequence Assessment
5 Conclusions
References
Monitoring, Early Warning and Emergency Response
Analysis of the Effects of Permeability Defects on Seepage Flow and Heat Transport in Embankment Dams
1 Introduction
2 Coupled Seepage and Heat Transfer Processes Through Embankment Dams and Modelling of Permeability Defects
3 Back Analysis and Interpretation of a Large Scale Experiment
3.1 Test Procedure
3.2 Temperature Measurements
3.3 Numerical Simulation
4 Concluding Remarks
References
A Wavelet-Based Fiber Optic Sensors Data Processing Method and Its Application on Embankment Sliding Surface Detection
1 Introduction
2 Dyadic Wavelet Transform in DFOSs Data Processing
2.1 Dyadic Wavelet Transform
2.2 DFOSs Data Processing
3 Embankment Sliding Surface Detection
3.1 Geometric Model with Random Field
3.2 Strain Signal
3.3 Embankment Sliding Surface Detection
4 Concluding Remarks
References
Simplified Models for the Interpretation of Total Stress Measurement of Embankment Dams
1 Introduction
2 Vertical Total Stress and Arching
3 Conclusion
References
On the Role of Weak-Motion Earthquakes Recorded on Earth Dams
1 Introduction
2 The Camastra Dam and the Installed Seismic Monitoring System
3 Database of Acceleration Signals Recorded at the Dam Site
4 Interpretation of the Recorded Signals
4.1 Frequency Domain
4.2 Time Domain
5 Conclusions
References
Neural Network-Based Monitoring of Rainfall-Induced Pore-Water Pressure in an Unsaturated Embankment
1 Introduction
2 Methods
2.1 Hydrological Data, Embankment Geometry, and Soil Properties
2.2 Neural Network Algorithm
2.3 Optimization, Learning Rates, and Performance Metrics for ANN Model
3 Results and Discussion
3.1 Effect of Neuron Numbers and Learning Rates
3.2 Performance of the Neural Network Model
4 Conclusion
References
International Workshop on Prediction of Jinsha River Dam Breaching and Flood Routing
Breaching and Flood Routing Simulation of the 2018 Two Baige Landslide Dams in Jinsha River
References
Breaching Process of "11?03" Dammed Lake and Flood Routing
Numerical Simulation of the Natural Erosion and Breaching Process of the "10.11" Baige Landslide Dam on the Jinsha River
Simulation of Dam Breaching and Flood Routing on the Jinsha River
1 Introduction
2 Dam Breaching Analysis
2.1 Model Description
2.2 Breaching Parameters
2.3 Breaching Simulation Results
3 Flood Routing Analysis
3.1 Model Description
3.2 Results of Flood Routing Analysis
4 Summary
References
Prediction of a Multi-hazard Chain by an Integrated Numerical Simulation Approach: The Baige Landslide Along the Jinsha River, China
1 Introduction
2 Data and Methods
2.1 Numerical Modelling Approach
2.2 Dynamic Modelling of Landslides by MassFlow
2.3 Landslide Dam Breach Process Modelling by the DABA Model
2.4 Dam-Breach Flood Modelling
3 Conclusions
References
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Dam Breach Modelling and Risk Disposal

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