Technical Specifications

Analysis Methods

• Bishop Simplified
• Corps of Engineers #1
• Corps of Engineers #2
• GLE/Morgenstern-Price
• Janbu Corrected
• Janbu Simplified
• Lowe-Karafiath
• Ordinary/Fellenius
• Sarma Vertical & Non-vertical Slice
• Spencer

Data Interpretation

• Annotation and dimensioning tool kit
• Contour groundwater results—total head, pore pressure, velocity, gradient
• Export image files
• Export to Excel
• Filter slip surfaces
• Interactive data tips
• Plot factor of safety along slope
• Plot results directly on slip surface
• Plot safety factor vs. time for transient analysis
• Plot slice data
• Plot slip surface data
• Print models at scale
• Support force diagrams
• Property viewer—contour material properties

Finite Element Groundwater Seepage Analysis

• Constant or time-dependent boundary conditions
• Discharge sections
• Mapped meshing
• Multi-stage transient groundwater seepage
• One-click automatic meshing
• Saturated/unsaturated
• Show mesh quality
• Steady state seepage
• View groundwater and slope stability results simultaneously

Loading

• Distributed loads
• Line loads
• Seismic loads

Modeling

• Borehole entry
• CAD drawing tools
• .dxf import/export
• Geometry from soil profile
• Multi-scenario modeling
• One-click material assignment
• Weak layer boundary

Pore Pressure Definition

• Calculate excess pore pressure using B-bar method
• Choose grid interpolation method
• Finite element groundwater seepage analysis
• Phreatic surfaces
• Piezometric lines
• Pore pressure grids—total head, pressure head, pore pressure
• Rapid drawdown analysis
• Ru coefficients

Probabilistic Analysis

• Advanced correlation between input parameters
• Critical probabilistic surface
• Spatial variability analysis
• Distributions—Normal, Uniform, Triangular, Beta, Exponential, Lognormal, Gamma
• Equate material properties
• Histogram, cumulative, and scatter plots
• Monte Carlo, Latin Hypercube, or Response Surface simulation
• Probability of failure/Reliability index
• Sensitivity analysis
• Use any input parameters as random variables

Rapid Drawdown Methods

• Army Corps Engineering 2-stage
• Duncan, Wright, Wong 3-stage
• Effective stress using B-bar
• Lowe and Karafiath

Search Methods

• Auto-refine search
• Block search
• Cuckoo search
• Grid search
• Non-circular surface optimization
• Particle swarm
• Path search
• Simulated annealing
• Slope search

Seismic Options

• Compute Kc critical acceleration
• Newmark displacement (rigid, coupled, de-coupled)
• Pseudo-static analysis
• Staged pseudo-static analysis Slip Surface Options
• Circular surfaces
• Composite surfaces
• Non-circular/Planar surfaces
• Tension cracks

Support

• Active vs. passive anchors
• Back analysis (compute required support force for safety factor)
• Easily define/edit patterns
• End-anchored bolts
• Geotextiles
• Grouted tiebacks
• Piles and micropiles
• RSPile integration
• Soil nails
• User-defined support model
• Retaining Wall (EFP)
• Helical Anchor

Strength Models

• Anisotropic function
• Anisotropic linear
• Anisotropic strength
• Barton-Bandis
• Discrete function
• Drained-Undrained
• Generalized anisotropic
• Generalized Hoek-Brown
• Hoek-Brown
• Hyperbolic
• Infinite strength
• Mohr-Coulomb
• No strength (i.e., water)
• Power curve
• SHANSEP
• Shear/normal function
• Snowden modified anisotropic linear
• Tension cutoff
• Undrained (Phi = 0)
• Unsaturated shear strength
• Vertical stress ratio