Slope Stability Analysis and Stabilization

Introduction Introduction Background Closed-form solutions Engineering judgment Ground model Status quo Ground investigation Design parameters Groundwater regime Design methodology Case histories Basic slope stability analysis methods Introduction Slope stability analysis: limit equilibrium method Miscellaneous considerations on slope stability analysis Limit analysis method Rigid element method Relation between the REM and the slice-based approach Uses of design figures and tables for simple problems Finite element method Distinct element method Location of critical failure surface, convergence and advanced formulations Difficulties in locating the critical failure surface Generation of trial failure surface Global optimization methods Verification of the global minimization algorithms Presence of Dirac function Numerical studies of the efficiency and effectiveness of various optimization algorithms Sensitivity of global optimization parameters in the performance of the global optimization methods Convexity of critical failure surface Lateral earth pressure determination from slope stability analysis Convergence problem due to iterative solution of FOS Importance of the methods of analysis Solution of the inter-slice force function and fundamental investigation into the problem of convergence Variable FOS formulation in LEM Use of internal/external variables in slope stability analysis and relation of slope stability problem to other geotechnical problems Finite-element methods for slope stability analysis and comparisons with limit equilibrium analysis Comparisons between SRM and LEM Stability analysis for a simple and homogeneous soil slope using LEM and SRM Stability analysis of a slope with a soft band Local minimum in LEM Effect of water on slope stability analysis Soil nailed slopes by SRM and LEM Stabilization of slope with piles using SRM Discussion and conclusion Three-dimensional slope stability analysis Limitations of the classical three dimensional limit equilibrium methods New formulation for D slope stability analysis: Bishop, Janbu simplified, Morgenstern-Price by Cheng and Yip Three-dimensional limit analysis Location of general critical non-spherical D failure surface Case studies in D limit equilibrium global optimization analysis Effect of curvature on FOS Three-dimensional SRM analysis Implementation Introduction FRP nail Drainage Construction difficulties Routine assessment of feature and design of landslip preventive measures Introduction Geotechnical assessment Desk study Aerial photograph interpretation and ground-truthing GI and field testing Laboratory testing Man-made features Rainfall records Groundwater regime Stability assessment of the existing feature Design of landslip preventive works Soil nailing Soil nailing in loose fill Surface and sub-soil drainage Surface erosion control and landscaping Site supervision during implementation Corrosiveness assessment Precautionary measures and other considerations Long-term maintenance Numerical implementation of slope stability analysis methods Numerical procedures for simplified limit equilibrium methods Numerical procedures for "rigorous" limit equilibrium methods Three-dimensional analysis Appendix References Index