虽然是英文,不过写得很通俗易懂,理论讲得很不错,当温习一下学校的课程吧。
Stability Modeling with SLOPE/W 2007 Version
1 Introduction
2 Limit Equilibrium Fundamentals
2.1 Introduction
2.2 Background and history
2.3 Method basics
2.4 General limit equilibrium method
2.5 Interslice force functions
2.6 Slip surface shapes
Circular slip surface
Planar slip surface
Composite slip surface
Block slip surface
Shoring wall
2.7 Stress distributions
2.8 Limit equilibrium forces and stresses
2.9 Janbu generalized method
2.10 Missing physics
2.11 Other limitations
2.12 Slip surface shapes
2.13 Seepage forces
2.14 Concluding remarks
3 Factor of Safety Methods
3.1 Introduction
3.2 General limit equilibrium method
3.3 Ordinary or Fellenius method
3.4 Bishop’s simplified method
3.5 Janbu’s simplified method
3.6 Spencer method
3.7 Morgenstern-Price method
3.8 Corps of Engineers method
Interslice assumption one
Interslice assumption two
3.9 Lowe-Karafiath method
3.10 Sarma method
3.11 Janbu’s Generalized method
3.12 Finite element stress-based method
3.13 Commentary on finite element stress-based method
3.14 Selecting an appropriate method
3.15 Rapid Drawdown Analysis Methods
The Simple Effective Strength Method
The Rigorous Effective Strength Method
The Staged Undrained Strength Method
4 Slip Surface Shapes
4.1 Introduction and background
4.2 Grid and radius for circular slips
Single radius point
Multiple radius points
Lateral extent of radius lines
Factor of Safety contours
4.3 Composite slip surfaces
4.4 Fully specified slip surfaces
4.5 Block specified slip surface
General cross-over form
Specific parallel form
4.6 Entry and exit specification
4.7 Optimization
4.8 Auto-Locate
4.9 Effect of soil strength
Purely frictional case
Undrained strength case
Cause of unrealistic response
Minimum depth
Most realistic slip surface position
4.10 Tension cracks and exit projections
Tension crack angle
Automatic tension crack search
Constant tension crack depth
Tension crack fluid pressures
Toe projection
4.11 Physical admissibility
4.12 Invalid slip surfaces and factors of safety
4.13 Concluding remarks
5 Geometry
5.1 Introduction
5.2 Regions
5.3 Slice discretization
5.4 Ground surface line
5.5 Tension crack line
5.6 Concentrated point loads
5.7 Ponded water regions
5.8 Surface surcharge loads
6 Functions in GeoStudio
6.1 Spline functions
Slopes of spline functions
6.2 Linear functions
6.3 Step functions
6.4 Closed form curve fits for water content functions
6.5 Add-in functions
6.6 Spatial functions
7 Material Strength
7.1 Introduction
7.2 Mohr-Coulomb
7.3 Spatial Mohr-Coulomb model
7.4 Undrained strength
7.5 No strength
7.6 Impenetrable (Bedrock)
7.7 Bilinear
7.8 General data-point strength function
7.9 Anisotropic strength
7.10 Strength using an anisotropic function
7.11 Strength as a function of depth
Relative to top of soil layer
Relative to specified datum
7.12 Frictional-undrained combined models
7.13 SHANSEP or strength = f(overburden) model
7.14 Hoek and Brown model
7.15 Unsaturated shear strength
7.16 Soil unit weight
7.17 Other soil parameters
8 Pore-water
8.1 Introduction
8.2 Piezometric surfaces
Single piezometric line
Multiple piezometric lines
Phreatic correction
8.3 Ru Coefficients
8.4 B-bar coefficients
8.5 Pore-water pressures head with spatial function
8.6 Negative pore-water pressures
8.7 Finite element computed pressures
8.8 Recommended practice
9 Reinforcement and Structural Components
9.1 Introduction
9.2 Fundamentals related to concentrated lateral loads
Mobilization of reinforcement forces
Slice forces and stress distributions
Convergence
Safety factors of the various components
Recommended analysis approach
Summary
9.3 Anchors
Bar capacity and reinforcement load
Bond resistance
Applied load
Shear force
9.4 Nails
9.5 Geo-fabric reinforcement
Bond resistance a specified constant
Bond resistance a function of overburden stress
Load orientation
9.6 Wall facing
9.7 Piles and dowels
9.8 Sheet pile walls
9.9 Deep-seated instability
9.10 Mitigation of numerical problems
9.11 Finite element stress-based approach
Wall with nails
Tie-back wall
Soil-structure interaction safety factors
Shear wall
Key issues
10 Seismic and Dynamic Stability
10.1 Introduction
10.2 Rapid loading strength
10.3 Pseudostatic analysis
10.4 Dynamic analysis
10.5 Permanent deformation
10.6 Liquefaction stability
11 Probabilistic and Sensitivity Analyses
11.1 Introduction
11.2 Probability density functions
Normal function
Lognormal function
Uniform function
11.3 Triangular probability function
11.4 General probability function
11.5 C – correlation
11.6 Probability of failure and reliability index
11.7 Spatial variability
11.8 Multiple statistical parameters
11.9 Sensitivity analyses
12 Illustrative Examples
Analysis verification and examples
Analysis integration
12.2 Comparison with Hand Calculations
12.3 Comparison with Stability Chart
12.4 Comparison with Publication
12.5 Comparison with Infinite Slope
12.6 Comparison with Active and Passive Earth Pressures
12.7 Grid and Radius
12.8 Block Slip Surfaces
12.9 Gravity Retaining Wall
12.10 Auto Locate Weak Layer
12.11 Tension Crack
12.12 Slope with Ponded Water
12.13 Footing Stability
12.14 Anisotropic Strength
12.15 Spatial Pore Water Pressure
12.16 Ru Bbar and SHANSEP Soil Strength
12.17 Probabilistic and Sensitivity
12.18 Probability – James Bay Case History
12.19 Reinforcement with Anchors
12.20 Reinforcement with Nails
12.21 Reinforcement with Fabrics
12.22 Reinforcement with Piles
12.23 Sheet Pile Wall
12.24 Stability with FE Pore Water Pressure
12.25 Stability with FE Stresses
12.26 Newmark Deformation Analysis
12.27 Rapid Drawdown with Effective Stress
12.28 Rapid Drawdown with Multi-stage
13 Theory
13.1 Introduction
13.2 Definition of variables
13.3 General limit equilibrium method
13.4 Moment equilibrium factor of safety
13.5 Force equilibrium factor of safety
13.6 Slice normal force at the base
13.7 M-alpha values
13.8 Interslice forces
13.9 Effect of negative pore-water pressures
13.10 Factor of safety for unsaturated soil
13.11 Use of unsaturated shear strength parameters
13.12 Solving for the factors of safety
Stage 1 solution
Stage 2 solution
Stage 3 solution
Stage 4 solution
13.13 Simulation of the various methods
13.14 Spline interpolation
13.15 Moment axis
13.16 Finite element stress method
Stability factor
Normal stress and mobilized shear stress
13.17 Probabilistic slope stability analysis
Monte Carlo method
Parameter variability
Random number generation
Correlation coefficient
Number of Monte Carlo trials
References
Index
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