This book is intended as a reference book for advanced graduate students and research engineers in rock mechanics related to civil, mining, hydropower, and traffic engineering, etc. For rock mass during construction, they are often subjected to complicated stress disturbance conditions, such as human-induced and environmental loading acting on rock that is cyclic or fatigue in nature. Typical forms of stress disturbance include excavation unloading, blasting vibration, earthquake, drilling and vehicle loading, etc. Usually, the stress disturbance condition is inferred as a kind of dynamic loading and differs dramatically from those under static loads. Along with the constructions on rock mass, a lot of disasters, e.g., tunnel rockburst, induced seismicity and sand liquefaction, are cyclic and dynamic processes. Nevertheless, insufficient attentions have been paid to the influences of disturbed stress on the long-term stability of rock mass construction so far. The discrepancy between theoretical prediction (by approximating the dynamic problems as static ones) and actual performance of constructed engineering structures is usually tolerated. As a result, investigation of the disturbed stress on rock is always vital to the rational design and the long-term stability prediction of rock constructions.
Sample Chapter(s)
Preface (129 KB)
Components of the Book:
- Preface
- Notations
- Chapter 1 Rock failure under triaxial cyclic and unloading paths: Prior damage effect
- 1.1 Macro-meso mechanical behaviors of deeply buried rock
- 1.2 Energy-driven rock failure under triaxial alternative fatigue loads and multistage unloading conditions: Prior fatigue damage effect
- Chapter 2 Rock failure under triaxial cyclic and unloading paths:
Disturbed frequency effect
- 2.1 Rock failure and energy conversion characteristics
- 2.2 Failure behaviors of deeply buried rock under triaxial cyclic and multistage unloading confining pressure loads
- Chapter 3 Rock failure under triaxial cyclic and unloading paths:
Stress amplitude effect
- 3.1 Introduction
- 3.2 Testing methods
- 3.3 Typical stress-strain curves
- 3.4 Deformation analysis at FLS
- 3.5 Characterization of deformation at CPUS
- 3.6 The incremental strain at FLS and CPS
- 3.7 Modelling of damage evolution
- 3.8 Mesoscopic crack pattern revealed by CT scanning
- 3.9 Conclusions
- References
- Chapter 4 On the fracture and energy characteristics of cavity-contained rock
under variable frequency-amplitude fatigue loads
- 4.1 Introduction
- 4.2 Testing methods
- 4.3 Typical stress strain curves
- 4.4 Characterization of strain rate
- 4.5 Energy evolution characteristics
- 4.6 Energy rate characteristics
- 4.7 Mesoscopic failure mechanism
- 4.8 Conclusions
- References
- Chapter 5 Fracture and damage modelling of hole-fissure contained rock under
increasing-amplitude decreasing-frequency: Rock bridge length effect
- 5.1 Introduction
- 5.2 Materials and Methods
- 5.3 Reprehensive stress strain curves
- 5.4 Cyclic deformation characteris-tics
- 5.5 AE count/energy characteristics during deformation
- 5.6 AE amplitude and b-value characteristics
- 5.7 Cyclic damage evolution based on AE energy
- 5.8 Cyclic damage evolution modelling
- 5.9 Failure mode revealed by CT scanning
- 5.10 Conclusions
- References
- Chapter 6 Fatigue failure evolution and instability warning predication for
fissure-contained hollow-cylinder rock: Hole diameter effect
- 6.1 Introduction
- 6.2 Methods
- 6.3 Reprehensive stress strain curves
- 6.4 Characterization of fatigue deformation
- 6.5 Characterization of strain rate
6.6 Energy conversion analysis
- 6.7 Characterization of energy rate
- 6.8 Damage evolution modelling based on dissipated energy
- 6.9 Comparison of warning index
- 6.10 Conclusions
- References
Readership:
Students, academics, teachers and other people attending or interested in rock mechanics related to civil, mining, hydropower, and traffic engineering, etc.
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Preface
Yu Wang, Xuefeng Yi, Lei Yin
PDF (129 KB)
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1
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Notations
Yu Wang, Xuefeng Yi, Lei Yin
PDF (192 KB)
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1
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Chapter 1 Rock failure under triaxial cyclic and unloading paths: Prior damage effect
Yu Wang, Xuefeng Yi, Lei Yin
PDF (5979 KB)
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57
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Chapter 2 Rock failure under triaxial cyclic and unloading paths:
Disturbed frequency effect
Yu Wang, Xuefeng Yi, Lei Yin
PDF (9409 KB)
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111
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Chapter 3 Rock failure under triaxial cyclic and unloading paths:
Stress amplitude effect
Yu Wang, Xuefeng Yi, Lei Yin
PDF (3756 KB)
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137
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Chapter 4 On the fracture and energy characteristics of cavity-contained rock
under variable frequency-amplitude fatigue loads
Yu Wang, Xuefeng Yi, Lei Yin
PDF (2059 KB)
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163
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Chapter 5 Fracture and damage modelling of hole-fissure contained rock under
increasing-amplitude decreasing-frequency: Rock bridge length effect
Yu Wang, Xuefeng Yi, Lei Yin
PDF (3079 KB)
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193
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Chapter 6 Fatigue failure evolution and instability warning predication for
fissure-contained hollow-cylinder rock: Hole diameter effect
Yu Wang, Xuefeng Yi, Lei Yin
PDF (1809 KB)
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Yu Wang
Ph.D., Professor, Beijing Key Laboratory of Urban Underground Space Engineering, Department of Civil Engineering, School of Civil & Resource Engineering, University of Science & Technology Beijing, Beijing 100083, China.
Xuefeng Yi
Ph.D. Candidate, Department of Civil Engineering, School of Civil & Resource Engineering, University of Science & Technology Beijing, Beijing 100083, China.
Lei Yin
Senior Engineer, China Coal Research Institute, Beijing 100013, China; China Coal Science and Technology Ecological Environment Technology Co., Ltd., Beijing 100013, China.