土石坝水力劈裂 英文版

土石坝水力劈裂 英文版
作者： Jun-JieWang 著
出版时间： 2012年版
内容简介
　　水力劈裂是一种在岩石或土体中由于水位上升引起裂缝产生或扩展的物理现象。土石坝水力劈裂是一个关系大坝安全的复杂问题。王俊杰编著的《土石坝水力劈裂（英文版）》从水力劈裂的发生条件和机理、判定准则和数值模拟方法三方面研究土石坝水力劈裂问题，并研究了糯扎渡土石坝的抗水力劈裂性能。《土石坝水力劈裂（英文版）》内容包括：文献综述，水力劈裂发生条件和机理，心墙土体的断裂韧度和抗拉强度、I-Ⅱ复合型断裂破坏判定准则，水力劈裂判定准则、数值模拟方法和影晌因素。本书读者包括水利工程的研究者、设计者和建设者，以及对水利工程研究感兴趣的人士。
目录
ABSTRACT
ACKNOWLEDGEMENTS
NOMENCLATURE
Chapter 1　Introduction
1.1　Types of Embankment Dam
1.2　Hydraulic Fracturing
1.3　Failure of Teton Dam
1.4　Erosion Damage of Balderhead Dam
1.5　Leakage of Hyttejuvet Dam
1.6　Technical Route of Present Study
Chapter 2　Literature Review
2.1　Theories of Hydraulic Fracturing
2.1.1　Theories Based on Circular Cavity Expa ion Theory
2.1.2　Theories Based on Spherical Cavity Expa ion Theory
2.1.3　Theories Based on True Triaxial Stress State Analysis
2.1.4　Empirical Formulas
2.1.5　Theories Based on Fracture Mechanics
2.2　Indoor Experimental Studies on Hydraulic Fracturing
2.3　Field Testing Studies on Hydraulic Fracturing
2.4　Model Testing Studies on Hydraulic Fracturing
2.5　Numerical Simulate on Hydraulic Fracturing
2.6　Summary
Chapter 3　Conditio and Mechanisms of Hydraulic Fracturing
3.1　Conditio of Hydraulic Fracturing
3.1.1　Cracks Located at Upstream Face of Core
3.1.2　Low Permeability of Core Soil
3.1.3　Rapid Impounding
3.1.4　U aturated Soil Core
3.2　Mechanical Mechanism of Hydraulic Fracturing
3.3　Summaries and Conclusio
Chapter 4　Fracture Toughness and Te ile Strength of Core Soil
4.1　Introduction
4.2　Tested Soil
4.3　Testing Technique on Fracture Toughness
4.3.1　Testing Method
4.3.2　Apparatus
4.3.3　Testing Procedures
4.3.4　Testing Program
4.4　Testing Results on Fracture Toughness
4.4.1　Suitability of Linear Elastic Fracture Mechanics
4.4.2　Influence Facto on Fracture Toughness
4.5　Testing Technique on Te ile Strength
4.5.1　Testing Method and Apparatus
4.5.2　Calculation on Te ile Strength
4.5.3　Testing Procedures
4.5.4　Testing Program
4.6　Testing Results on Te ile Strength
4.6.1　Water Content
4.6.2　Dry De ity
4.6.3　Preco olidation Pressure
4.7　Relatio hip Between Fracture Toughness and Te ile Strength
4.8　Discussion
4.8.1　Soils from References
4.8.2　Rocks from References
4.9　Summaries and Conclusio
Chapter 5　Fracture Failure Criterion for Core Soil Under Mixed Mode
5.1　Introduction
5.2　Experimental Technique
5.2.1　Loading Assembly
5.2.2　Calculation Theory
5.2.3　Testing Procedures
5.2.4　Test Program
5.3　Testing Results
5.4　Fracture Failure Criterion
5.5　Summaries and Conclusio
Chapter 6　Hydraulic Fracturing Criterion
6.1　Introduction
6.2　Failure Criterion
6.2.1　Simplification of Crack
6.2.2　Criterion
6.3　Cubic Specimen with a Crack
6.3.1　Calculation of KI
6.3.2　Calculation of Kn
6.3.3　Calculation of （Kq-KZn）0.s
6.3.4　Dangerous Crack Angle
6.4　Core with a Tra ve e Crack
6.4.1　Calculation of KI
6.4.2　Calculation of Ku
6.4.3　Calculation of （KZr +KZa ）0s
6.4.4　Dangerous Crack Angle
6.5　Core with a Vertical Crack
6.6　Strike-Dip of Crack Spreading Easiest
6.7　Summaries and Conclusio
Chapter 7　Numerical Method for Hydraulic Fracturing
7.1　Introduction
7.2　Theoretical Formula
7 2.1　Failure Criterion of Hydraulic Fracturing
7.2.2　Path of the Independent J Integral
7.2.3　Virtual Crack Exte ion Method
7.2.4　Calculation of J Integral
7.3　Numerical Techniques
7.3.1　Virtual Crack Aa
7.3.2　Finite Element Model
7.3.3　Water Pressure Applied on Crack Face
7.3.4　Judgement and Simulation of Hydraulic Fracturing
7.4　Numerical Investigation
7.4.1　Finite Element Model
7.4.2　Virtual Crack Depth Aa
7.4.3　Mechanical Paramete of Crack Material
7.5　Numerical Verification
7.5.1　Mode　Crack
7.5.2　Mode ]1 Crack and Mixed Mode Crack
7.6　Summaries and Conclusio
Chapter 8　Facto Affecting Hydraulic Fracturing
8.1　Introduction
8.2　Facto Affecting Stress Arching Action
8.2.1　Influence of Material Properties
8.2.2　Influence of Dam Structure
8.3　Relation Between Hydraulic Fracturing and Arching Action
8.4　Facto Affecting Hydraulic Fracturing
8.4.1　Analyzing Method
8.4.2　Influence of Water Level
8.4.3　Influence of Crack Depth
8.4.4　Influence of Crack Position
8.4.5　Influence of Core Soil Features
8.5　Summaries and Conclusio
Chapter 9　Simulation on Nuozhadu Dam
9.1　Introduction to Nuozhadu Dam
9.2　Behavior of Stress-Deformation of Nuozhadu Dam
9.2.1　Finite Element Model
9.2.2　Material Paramete
9.2.3　Behavior of Stress-Deformation After Co truction
9.2.4　Behavior of Stress-Deformation After Filling
9.3　Analyzing Method of Hydraulic Fracturing of Nuozhadu Dam
9.3.1　Analyzing Method
9.3.2　Material Paramete
9.3.3　Finite Element Model
9.3.4　Schemes Analyzed
9.4　Hydraulic Fracturing in Horizontal Cracks
9.5　Hydraulic Fracturing in Vertical Cracks
9.6　Summaries and Conclusio
References