Rock Reinforcement and Rock Support

Description

Content: Cover Half Title Title Copyright Contents About the author Acknowledgments 1: Introduction 2: Mechanism of failure in rock engineering structures and its influencing factors 2.1: Rock, discontinuities, and rock mass 2.1.1: Rocks 2.1.2: Origin of discontinuities in rock and their mechanical behavior 2.1.3: Rock mass and its mechanical behavior 2.2: Modes of instability about underground openings 2.3: Modes of instability of slopes 2.4: Modes of instability of foundations 3: Design philosophy of rock support and rock reinforcement 3.1: Introduction 3.2: Empirical design methods3.2.1: Rock Quality Designation (RQD) method 3.2.2: Rock Mass Rating (RMR) 3.2.3: Q-system (rock tunneling quality index) 3.2.4: Rock Mass Quality Rating (RMQR) 3.3: Analytical approach 3.3.1: Hydrostatic in situ stress state 3.3.2: Non-hydrostatic in situ stress state 3.4: Numerical methods 3.5: Methods for stabilization against local instabilities 3.5.1: Estimation of suspension loads 3.5.2: Sliding loads 3.5.3: Loads due to flexural toppling 3.6: Integrated and unified method of design 3.7: Considerations on the philosophy of support and reinforcement design of rock slopes3.7.1: Empirical design systems 3.7.2: Kinematic approach 3.7.3: Integrated stability assessment and design system for rock slopes 3.8: Considerations on philosophy of support design of pylons 3.8.1: Geological, geophysical, and mechanical investigations 3.8.2: Specification of material properties 3.9: Considerations on the philosophy of foundation design of dams and bridges 4: Rockbolts (rockanchors) 4.1: Introduction 4.2: Rockbolt/rockanchor materials and their mechanical behaviors 4.2.1: Yield/failure criteria of rockbolts4.2.2: Constitutive modeling of rockbolt material 4.3: Characteristics and material behavior of bonding annulus 4.3.1: Push-out/pull-out tests 4.3.2: Shear tests 4.4: Axial and shear reinforcement effects of bolts in continuum 4.4.1: Contribution to the deformational moduli of the medium 4.4.2: Contribution to the strength of the medium 4.4.3: Improvement of apparent mechanical properties of rock and confining pressure effect 4.5: Axial and shear reinforcement effects of bolts in medium with discontinuities 4.5.1: Increment of the tensile resistance of a discontinuity plane by a rockbolt4.5.2: Increment of the shear resistance of a discontinuity plane by a rockbolt 4.5.3: Response of rockbolts to movements at/along discontinuities 4.6: Estimation of the cyclic yield strength of interfaces for pull-out capacity 4.7: Estimation of the yield strength of interfaces in boreholes 4.8: Pull-out capacity 4.8.1: Constitutive equations 4.8.2: Governing equations 4.9: Simulation of pull-out tests 4.10: Mesh bolting 4.10.1: Evaluation of elastic modulus of reinforced medium