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On Linear-Elastic, Cross-Anisotropic Rock.
Annotation
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Berlin :
Logos Verlag Berlin,
2014.
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| Colección: | Advances in Geotechnical Engineering and Tunneling Ser.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Intro; 1 Cross-Anisotropy of Rocks; 1.1 Introduction; 1.2 Motivation and Structure of this Dissertation; 2 Constitutive Equation for Linear-Elastic, Cross-Anisotropic Material; 2.1 Derivation from the General Representation Theorem; 2.2 Constitutive Equation in terms of Material Parameters E1, E2, G2, Îư1, Îư2; 2.3 Relation of Parameters a1, a2, a3, a4, a5 and E1, E2, G2, Îư1, Îư2; 2.4 Constraints; 3 Laboratory and Field Tests; 3.1 Laboratory Tests; 3.1.1 Uniaxial Compression Test; 3.1.2 Own Attempts to Measure Elasticity Parameters of Cross-Anisotropic Rock; 3.2 Field Tests.
- 3.2.1 Flat Jack Test3.2.2 Plate Loading Test; 3.2.3 Seismic Methods; 3.2.4 Convergence Measuring Method; 3.2.5 Dilatometer Test; 3.2.6 Hydraulic Pressure Chamber Test; 3.2.7 Radial Jack Test; 3.2.8 Comparison of Different Tests in Same Field; 4 Analytical Solutions of Cavity Expansion; 4.1 Mathematical Fundamentals on Cavity Expansion; 4.1.1 Equilibrium and Compatibility Equations; 4.1.2 Polar Representation of the Displacements; 4.2 Previous Work; 4.3 Approximate Solution for Cavity Expansion in Cross-Anisotropic Rock; 4.4 Back Analysis of Material Parameters; 4.4.1 Isochoric Deformation.
- 4.4.2 Example of Back Analysis5 Numerical Analysis of Cavity Expansion; 5.1 Finite Element Method Outline; 5.2 Application of the Constitutive Model; 5.3 Simulation of Element Tests; 5.4 Modelling of Cavity Expansion; 5.4.1 Domain Size and Boundary Conditions; 5.4.2 Analysis Steps; 5.4.3 Evaluation Process; 5.5 Setup of the Model for Cavity Expansion Tests; 5.5.1 Influence of the Numerical Configuration; 5.5.2 Influence of the Foliation Orientation; 5.5.3 Parametric Study; 5.5.4 Loading a Limited Strip vs. the Entire Cavity; 5.5.5 Free vs. Suppressed Out-of-Plane Displacement.
- 5.5.6 Soft Layer5.6 Implementation of Parameters Obtained from the Approximate Solution; 5.7 Overview of the Numerical Results; 6 On Small-Scale Experiments on Cross-Anisotropic Materials; 6.1 Physical Modelling; 6.1.1 Small-Scale Cavity Expansion Test; 6.2 Artificial Cross-Anisotropic Material; 6.2.1 Literature Review; 6.2.2 Experimental Attempts; 7 Summary and Conclusions.