Slide2 rocscience

What is Slide2 ?

Slide2 is a 2D limit equilibrium slope stability program for evaluating the safety factor or probability of failure, of circular or non-circular failure surfaces in soil or rock slopes.
Slide2 analyzes the stability of slip surfaces using vertical slice or non-vertical slice limit equilibrium methods. Slide2 also includes finite element groundwater seepage analysis built right into the program, for both steady state and transient conditions.

A. Built-in Groundwater Seepage Analysis
Includes a Finite Element Seepage Analysis tool. Automatically generate your mesh and compute your steady state or transient analysis without the need for separate programs.

B. Probabilistic Analysis
Go above and beyond Latin-Hypercube sampling. Speed up your computations with our machine-learning-based Response Surface or generate thousands of what-if scenarios with a spatial variability analysis.

C. Supports
Reinforce your model with a geosynthetic from our manufacturer library, import your pile from RSPile, or define your own support. Slide2 comes with an extensive library of support types including Retaining Walls (EFP) and Launched Soil Nails.

Slide2 across Applications :

1. Dams/Embankments
Analyze the slope stability of your dam or embankment. Perform a transient ground water analysis to analyze the transient pore pressures and their impact.
2. Excavations
Improve efficiency using the soil profile feature to input your original material geometry as a base template for excavations.
3. Groundwater
Made for simplicity and complexity, you can either use a simple water table for your model or the built-in FEM seepage engine for when you need more control.
4. Open-pit Mining
Create multiple scenarios in one file to analyze different sections of your mine. Or run the model in Slide3 and compute your Slide2 sections within it.
5. Rock & Soil Slopes
Model rock or soil slopes and perform stability analysis to identify the critical failure surfaces. Analyze a wide variety of slopes including Mechanically Stabilized Earth walls, retaining walls and reinforced soil structures.

Slide2 seamlessly integrates with

A. Slide3
For complex projects, run your model in Slide3 and compute individual 2D sections with the Slide2 engine. You can also import your Slide2 model into Slide3 to extrude it.
B. RS2
Drag and drop your Slide2 file into RS2 and hit compute for a Shear Strength Reduction Analysis and directly compare the shear reduction factor to your factor of safety.

C. RSPile
Save time by loading your RSPile file in Slide2. Match up your material layers and use the resistance functions in your slope stability analyses.

Explore the latest features in Slide2

A. Multi-modal Optimization (MMO)
Get more insight into your models by searching for more than one critical failure surface. With MMO you can seek out the top three most critical failure surfaces at once and consider them in your analysis.
B. Weak Layer Algorithm
All you need to do is define all of your weak layer polylines and Slide2 will determine which combination of weak layers is the most critical.
C. Surface Altering Optimization
This local optimization algorithm, exclusive to Rocscience software, runs on the critical failure surface after the initial global search and is the final push to find the lowest factor of safety.

Technical Specifications Slide2

A. 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

B. 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

C. 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

D. Loading
– Distributed loads
– Line loads
– Seismic loads

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

F. 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

G. 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

H. Rapid Drawdown Methods
– Army Corps Engineering 2-stage
– Duncan, Wright, Wong 3-stage
– Effective stress using B-bar
– Lowe and Karafiath

I. Search Methods
– Auto-refine search
Block search
Cuckoo search
Grid search
Non-circular surface optimization
Particle swarm
Path search
Simulated annealing
– Slope search

J. 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

K. 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

L. 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
– Shear/normal function
– Snowden modified anisotropic linear
– Tension cutoff
– Undrained (Phi = 0)
– Unsaturated shear strength
– Vertical stress ratio

Plans & Pricing

1. Perpetual – One-time purchase
– Own the version of your license in perpetuity
– Maintenance+ subscription included in first year
= Install on one computer

2. Lease – Ongoing subscription
– Maintenance+ subscription
– Ongoing bug fixes
– Continuous new features
– Install on one computer

Important Keys :
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