Seismic Safety Evaluation of Concrete Dams - 1st Edition - ISBN: 9780124080836, 9780124079199

Seismic Safety Evaluation of Concrete Dams

1st Edition

A Nonlinear Behavioral Approach

Authors: Chong Zhang
Hardcover ISBN: 9780124080836
eBook ISBN: 9780124079199
Imprint: Butterworth-Heinemann
Published Date: 23rd August 2013
Page Count: 712
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The consequences of a large dam failing can be disastrous. However, predicting the performance of concrete dams during earthquakes is one of the most complex and challenging problems in structural dynamics. Based on a nonlinear approach, Seismic Safety Evaluation of Concrete Dams allows engineers to build models that account for nonlinear phenomena such as vertical joint slippage, cracks, and cavitation. This yields more accurate estimates. Advanced but readable, this book is the culmination of the work carried out by Tsinghua University Research Group on Earthquake Resistance on Dams over the last two decades.

Key Features

  • Nonlinearity characteristics of high concrete dams, seismic analysis methods, evaluation models
  • A systematic approach to nonlinear analysis and seismic safety evaluation of concrete dams
  • Includes nonlinear fracture of dam-water-foundation interaction system, dynamic fluid-structure and
  • Covers soil-structure interactions, and meso-scale mechanical behavior of concrete are all international front issues of the field.


Researchers in the fields: hydropower and dam structures, especially on earthquake resistance of high dam structures, hydraulic engineering, geotechnical engineering, earthquake engineering, and energy engineering

Table of Contents



About the Editors


Part I: General Introduction

Chapter 1. Challenges of High Dam Construction to Computational Mechanics

1.1 Background

1.2 Building more Bridges between Computational Mechanics and Large Dam Engineering

1.3 Research Examples Completed by the National Laboratory of High Dams and Large Structures at Tsinghua

1.4 Conclusions


Chapter 2. The Performance of Dams During the Wenchuan 5–12 Earthquake and Lessons Learned from the Event


2.1 Introduction

2.2 Performance of Hydroprojects and High Dams

2.3 Lessons Learned on Hydraulic Structures in Relation to the Wenchuan 5–12 Event

2.4 Conclusions


Chapter 3. Seismic Safety Evaluation of High Concrete Dams: Part 1: State-of-the-Art Design and Research

3.1 Introduction

3.2 Conventional Seismic Design Practice

3.3 Advanced Seismic Design and Research

3.4 Conclusions


Chapter 4. Seismic Safety Evaluation of High Concrete Dams: Part 2: Earthquake Behavior of Arch Dams – Case Study


4.1 Introduction

4.2 Computational Results

4.3 Conclusions


Chapter 5. A Primary Digital Dam Simulation System for an Arch Dam


5.1 Introduction

5.2 Digital Dam Simulation System

5.3 Simulation Model of an Arch Dam

5.4 Inverse Analysis

5.5 Structural Analysis

5.6 Conclusions


Part II: Dynamic Soil–Structure and Fluid–Structure Interactions

Chapter 6. A Coupling Procedure of Finite Element and Scaled Boundary Finite Element Methods for Soil–Structure Interaction in the Time Domain


6.1 Introduction

6.2 Motion Equations of Coupling System

6.3 Realization and Model Approximation

6.4 Evaluation of Interaction Forces

6.5 Numerical Verification

6.6 Conclusions


Chapter 7. Time-Domain Analysis of Gravity Dam–Reservoir Interaction Using High-Order Doubly Asymptotic Open Boundary

7.1 Introduction

7.2 Finite Element Model of Dam–Reservoir System

7.3 Scaled Boundary Finite Element Method for Semi-infinite Reservoir with Constant Depth

7.4 Modal Decomposition of Scaled Boundary Finite Element Equation

7.5 Doubly Asymptotic Continued Fraction Solution for Modal Dynamic Stiffness

7.6 High-Order Doubly Asymptotic Open Boundary

7.7 Numerical Implementation in Time Domain

7.8 Numerical Examples

7.9 Conclusions


Chapter 8. Finite Element Analysis of Dam–Reservoir Interaction Using High-Order Doubly Asymptotic Open Boundary


8.1 Introduction

8.2 Modeling of Dam–Reservoir System

8.3 Summary of the Scaled Boundary Finite Element Method for Semi-infinite Reservoir with Constant Depth

8.4 High-Order Doubly Asymptotic Open Boundary for Hydrodynamic Pressure

8.5 Coupled Numerical Methods for Dam–Reservoir Interaction Analysis

8.6 Numerical Examples

8.7 Conclusions


Chapter 9. Analytical Solutions for Dynamic Pressures of Coupling Fluid–Porous Medium–Solid due to SV-Wave Incidence


9.1 Introduction

9.2 Governing Equations

9.3 Boundary Conditions

9.4 Formulations of the System

9.5 Numerical Example

9.6 Discussion of Factors Influencing Dynamic Pressures

9.7 Conclusions



Chapter 10. Modification of Equation of Motion of Fluid-Conveying Pipe for Laminar and Turbulent Flow Profiles


10.1 Introduction

10.2 Modification of the Centrifugal Force Term of the Equation of Motion of the Fluid-Conveying Pipe

10.3 Flow-Profile-Modification Factors with Different Flow Profiles

10.4 Equivalent Flow Velocity and Equivalent Mass

10.5 Critical Flow Velocities for Pipes Conveying Fluid for Different Flow Profiles

10.6 Conclusions


Part III: Nonlinear Earthquake Response of Concrete Dams

Chapter 11. Influence of Seismic Input Mechanisms and Radiation Damping on Arch Dam Response


11.1 Introduction

11.2 Earthquake Input Mechanisms and Verification

11.3 Modeling of Contraction Joints

11.4 Comparison Study on Canyon and Dam Response by Different Input Models

11.5 Conclusions


Chapter 12. Seismic Damage-Cracking Analysis of Arch Dams Using Different Earthquake Input Mechanisms


12.1 Introduction

12.2 Modeling of the System

12.3 Seismic Damage-Cracking Analysis of Dagangshan Arch Dam

12.4 Conclusions


Chapter 13. A Comparative Study of the Different Procedures for Seismic Cracking Analysis of Concrete Dams


13.1 Introduction

13.2 Fracture Procedures

13.3 Benchmark Example for Accuracy Verification

13.4 Earthquake Fracture Analysis of Koyna Dam

13.5 Earthquake Cracking Analysis of an Arch Dam

13.6 Conclusions


Chapter 14. Nonlinear Earthquake Analysis of High Arch Dam–Water–Foundation Rock Systems


14.1 Introduction

14.2 Computational Model

14.3 Ertan Arch Dam

14.4 Efficiency Evaluation of the Earthquake Input Method

14.5 Evaluation of the Proposed Model Using EACD-3D-2008

14.6 Earthquake Analysis of Arch Dam–Water–Foundation Rock

14.7 Conclusions


Chapter 15. Numerical Simulation of Reinforcement Strengthening for High–Arch Dams to Resist Strong Earthquakes


15.1 Introduction

15.2 Material Constitutive Models

15.3 Finite Element Formulation

15.4 Numerical Verification

15.5 Damage Analysis of the Dagangshan Arch Dam

15.6 Conclusions


Chapter 16. Nonlinear Seismic Analyses of a High Gravity Dam with and without the Presence of Reinforcement


16.1 Introduction

16.2 Constitutive Relations of Material Components

16.3 Seismic Analyses of a Gravity Dam

16.4 Conclusions


Chapter 17. Seismic Safety of Arch Dams with Aging Effects


17.1 Introduction

17.2 Modeling of Chemomechanical Damage of Aging Dams

17.3 Nonlinear Finite Element Procedure for Seismic Analysis of Arch Dams

17.4 Seismic Response Analysis of Arch Dams with Aging Effects

17.5 Conclusions


Part IV: Topics Related to the Safety Evaluation of Concrete Dams

Chapter 18. Three-Dimensional Mode Discrete Element Method: Elastic Model


18.1 Introduction

18.2 3MDEM

18.3 Examples for the Linear Elastic Constitutive Model

18.4 Conclusions


Chapter 19. Comparative Study Procedure for the Safety Evaluation of High Arch Dams


19.1 Introduction

19.2 Safety Evaluation Method

19.3 Material Models and Parameters

19.4 Engineering Verification for the Safety Evaluation Method

19.5 Evaluation Criteria

19.6 Conclusions


Chapter 20. Investigation of Damping in Arch Dam–Water–Foundation Rock System of Mauvoisin Arch Dam


20.1 Introduction

20.2 Analysis Procedure

20.3 Effective Damping Ratio of Dam–Water–Foundation Rock System

20.4 Seismic Responses of Mauvoisin Arch Dam for Two Foundation Models

20.5 Conclusions


Chapter 21. Practical Procedure for Predicting Non-Uniform Temperature on the Exposed Face of Arch Dams


21.1 Introduction

21.2 Heat Conduction Equation and Boundary Conditions for Arch Dams

21.3 Solar Radiation Model

21.4 Case Study

21.5 Conclusions


Chapter 22. Experimental and Numerical Study of the Geometrical and Hydraulic Characteristics of a Single Rock Fracture during Shear

22.1 Introduction

22.2 Introduction to Coupled Shear–Flow Test

22.3 Numerical Simulations

22.4 Results of Numerical Simulation

22.5 Conclusions


Part V: Mesoscale Mechanical Behavior of Concrete

Chapter 23. Study on the Heterogeneity of Concrete and its Failure Behavior Using the Equivalent Probabilistic Model


23.1 Introduction

23.2 Concrete Equivalent Probabilistic Model Based on Weibull Distribution Law

23.3 Improved Model of Weibull Distribution Law

23.4 Effect of Heterogeneity on Size Effect of Concrete: Test and Numerical Study

23.5 Effect of Heterogeneity on Damage and Fracture Behavior of Koyna Gravity Dam

23.6 Conclusions


Chapter 24. A Multiphase Mesostructure Mechanics Approach to the Study of the Fracture-Damage Behavior of Concrete


24.1 Introduction

24.2 Preprocess of Mesoscale Numerical Simulation

24.3 Mesoscopic Mechanical Model

24.4 Statistical Distribution of Heterogeneity for Concrete Parameters

24.5 Study on Mechanical Behaviors of Rockfill Concrete

24.6 Conclusions


Chapter 25. Numerical Study of Dynamic Behavior of Concrete by Mesoscale Particle Element Modeling


25.1 Introduction

25.2 Brief Introduction to the Preprocessing of the Mesoscale Concrete Model

25.3 Inverse Method for Mesoparameters

25.4 Numerical Simulations of Dynamic Splitting Tensile Tests at Different Strain Rates

25.5 Numerical Simulations of Dynamic Uniaxial Compression Tests at Different Strain Rates

25.6 Conclusions




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About the Author

Chong Zhang