断续裂隙岩石材料强度破坏与裂纹演化特性（英文版）pdf/txt下载_在线阅读全文

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　　从事土木工程结构抗震的研究人员及工程设计人员。

内容简介

　　天然岩石通常包括许多不同种类的缺陷，如裂隙、节理、弱面等，这些缺陷对岩石材料的强度、变形及其裂纹扩展特征有着重要的影响。为了深入理解断续结构岩体的破坏机理，《断续裂隙岩石材料强度破坏与裂纹演化特性（英文版）》采用试验和数值方法，系统研究了含不同预制裂隙分布(包括：单裂隙、双裂隙、叁裂隙以及混合缺陷)的脆性岩石强度、变形及其裂纹扩展特性。

目　　录

1 Introduction
1.1 Experimental Studies for Rock-Like Materials
1.2 Experimental Studies for Real Rock Materials
1.3 Numerical Studies for Crack Evolution Behavior
1.4 Study of Fracture Coalescence Behavior by AE Technique
1.5 Main Contents in This Book
References
2 Experimental Investigation on Strength Failure
and Crack Evolution Behavior of Brittle Sandstone
Containing a Single Fissure
2.1 Experimental Studies
2.1.1 Sandstone Material
2.1.2 Preparation for Specimen with Single Fissure
2.1.3 Experimental Equipment and Procedure

1 Introduction 
  1.1 Experimental Studies for Rock-Like Materials 
  1.2 Experimental Studies for Real Rock Materials 
  1.3 Numerical Studies for Crack Evolution Behavior 
  1.4 Study of Fracture Coalescence Behavior by AE Technique 
  1.5 Main Contents in This Book 
  References 
2 Experimental Investigation on Strength Failure 
  and Crack Evolution Behavior of Brittle Sandstone 
  Containing a Single Fissure 
  2.1 Experimental Studies 
    2.1.1 Sandstone Material 
    2.1.2 Preparation for Specimen with Single Fissure 
    2.1.3 Experimental Equipment and Procedure 
  2.2 Strength and Deformation Behavior 
    2.2.1 Uniaxial Stress-Strain Curves of Sandstone 
    2.2.2 Effect of Single Fissure Geometry on Mechanical 
    Parameters of Sandstone 
  2.3 Crack Evolution Behavior 
    2.3.1 Crack Coalescence Type of Sandstone Specimens 
    Containing a Single Fissure 
    2.3.2 AE Behaviors of Intact and Flawed Sandstone 
    Specimens with Single Fissure Geometries 
    2.3.3 Real-Time Crack Evolution Process of Sandstone 
    Containing a Single Fissure 
  2.4 Conclusions 
  References 
3 Experimental Investigation on Crack Evolution Behavior 
  of Brittle Sandstone Containing Two Coplanar Fissures 
  in the Process of Deformation Failure 
  3.1 Experimental Material and Procedure 
    3.1.1 Physical Behavior of Tested Specimens 
    3.1.2 Specimens Containing Two Coplanar Fissures 
    3.1.3 Testing Equipment and Procedure 
  3.2 Influence of Coplanar Fissure Angle on Strength 
    and Deformation Behavior 
    3.2.1 Deformation Failure Behavior of Intact Sandstone 
    Specimen 
    3.2.2 Deformation Failure Behavior of Flawed Sandstone 
    with Two Coplanar Fissures 
    3.2.3 Relationship Between Coplanar Fissure Angle 
    and Mechanical Parameters 
  3.3 Crack Initiation and Coalescence Behavior Analysis 
    3.3.1 Crack Coalescence Type of Sandstone Containing 
    Two Coplanar Fissures 
    3.3.2 Crack Initiation and Coalescence Behavior 
    of Pre-fissured Sandstone 
  3.4 Conclusions 
  References 
4 Experimental Investigation on Fracture Evolution 
  Behavior of Brittle Sandstone Containing Three Fissures 
  4.1 Specimen Preparation and Testing Procedure 
    4.1.1 Sandstone Material and Specimen Preparation 
    4.1.2 Testing Procedure 
  4.2 Analysis of Experimental Results 
    4.2.1 Axial Stress-Strain Curve of Intact Specimen 
    4.2.2 Axial Stress-Strain Curve of Flawed Specimens 
    Containing Three Fissures 
  4.3 Crack Initiation Mode and Analysis of the Coalescence Process .. 
    4.3.1 Crack Initiation Mode and Stress Analysis 
    4.3.2 Real-Time Crack Coalescence Process of Specimens 
    for 132 = 75~ and 90~. 
    4.3.3 Real-Time Crack Coalescence Process 
    of Sandstone Specimens Containing Three 
    Fissures (132 ---- 105~ and 120~) 
  4.4 Crack Coalescence Type and Strain Evolution Analysis 
    4.4.1 Crack Coalescence Type Analysis 
    4.4.2 Strain Evolution Analysis 
  4.5 Conclusions 
  References 
5 Experimental Investigation on Fracture Coalescence Behavior 
  of Red Sandstone Containing Two Unparallel Fissures 
  5.1 Experimental Material and Loading Procedure 
    5.1.1 Experimental Material and Specimen Preparation 
    5.1.2 Loading Procedure and AE Monitoring 
  5.2 Strength and Deformation Behavior 
    5.2.1 Axial Stress-Axial Strain Behavior 
    5.2.2 Strength and Deformation Parameters 
  5.3 Cracking Mode and Characteristics 
  5.4 Crack Coalescence Process and AE Behavior 
  5.5 Conclusions 
  References 
6 Discrete Element Modeling on Fracture Coalescence Behavior 
  of Red Sandstone Containing Two Unparallel Fissures 
  6.1 Discrete Element Modeling Method 
    6.1.1 Micro-Bond Model 
    6.1.2 Numerical Specimen 
    6.1.3 Simulation Procedure 
  6.2 Confirmation for Micro-Parameters of Red Sandstone 
    6.2.1 Confirming Method for Micro-Parameters 
    of Red Sandstone 
    6.2.2 Calibrating Micro-parameters by Experimental 
    Results of Intact Specimen 
  6.3 Numerical Results of Red Sandstone Containing Two 
    Unparallel Fissures 
    6.3.1 Strength and Deformation Behavior 
    6.3.2 Cracking Characteristics 
  6.4 Stress Field in Red Sandstone Containing Two 
    Unparallel Fissures 
  6.5 Conclusions 
  References 
7 Fracture Mechanical Behavior of Red Sandstone Containing 
  a Single Fissure and Two Parallel Fissures After Exposure 
  to Different High-Temperature Treatments 
  7.1 Rock Material and Testing Procedure 
    7.1.1 , The Experimental Material and Heating Procedure 
    7.1.2 Specimen Preparation and Fissure Geometry 
    7.1.3 Testing Procedure and AE Monitoring 
  7.2 Strength and Deformation Behavior 
  7.3 Fracture Evolution Behavior 
  7.4 Interpretation and Discussion 
  7.5 Conclusions 
  References 
8 Experimental Investigation on Strength and Failure Behavior 
  of Pre-cracked Marble Under Conventional Triaxial Compression. 
  8.1 Experimental Methodology 
    8.1.1 Marble Material 
    8.1.2 Pre-cracked Sample Preparation 
    8.1.3 Experimental Procedure 
  8.2 Triaxial Experimental Results of Pre-cracked Marble 
    8.2.1 Brittle-Ductile Transition Mechanism of Intact Marble... 
    8.2.2 Triaxial Stress-Strain Curves of Pre-cracked Marble 
  8.3 Strength Behavior of Pre-cracked Marble 
    8.3.1 Strength Behavior in Accordance with Mohr-Coulomb 
    Criterion 
    8.3.2 Strength Behavior in Accordance with Hoek-Brown 
    Criterion 
    8.3.3 A New Evaluation Criterion Based on Optimal 
    Approximation Polynomial Theory 
  8.4 Failure Mode of Pre-cracked Marble 
  8.5 Conclusions 
  References 
9 Numerical Investigation on the Failure Mechanical Behavior 
  of Red Sandstone Containing Two Coplanar Fissures Under 
  Conventional Triaxial Compression 
  9.1 Discrete Element Model and Micro-Parameters 
    9.1.1 Intact Red Sandstone Material and Micro-Parameters 
    9.1.2 Comparison of Triaxial Experimental and Numerical 
    Results of Intact Specimen 
  9.2 Macroscopic Strength and Deformation Behavior 
    9.2.1 Triaxial Deformation Behavior of Red Sandstone 
    Containing Two Coplanar Fissures 
    9.2.2 Triaxial Strength Behavior of Red Sandstone 
    Containing Two Coplanar Fissures 
  9.3 Fracture Evolution Behavior 
    9.3.1 Fracture Evolution Process of Intact SpeCimen 
    9.3.2 Fracture Evolution Process of Flawed Specimen 
    9.3.3 Effect of Confining Pressure and Coplanar Fissure Angle. 
    9.3.4 Stress and Displacement Field 
  9.4 Conclusions 
References

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断续裂隙岩石材料强度破坏与裂纹演化特性（英文版）

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