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Technical Specifications


  • Import .obj, .dxf, dtm and other common geometry files
  • Import geometry, properties, groundwater, and other entities from an RS3 file
  • Import geometry, properties, groundwater, and other entities from a Slide3 file
  • Import slope and joint geometry and joint properties from an SWedge file
  • Import properties from another RocSlope3 file
  • Import sensor data from various manufacturers
  • Import orientations and set statistics from a Dips file

Project Settings

  • Set design factor of safety as the failure threshold
  • Model successive failure from the detachment of key blocks
  • Probabilistic analysis with pseudo-random sampling for repeatable results
  • Eurocode and British Code design standards


  • Define joint orientation, location, and size from measured data
  • Define joint orientation, location, and size from synthetically-generated joint set with statistical sampling of orientation, size, and spacing along a traverse line
  • Define joints from any arbitrary surface or collection of planar surfaces
  • Define joint properties with shear strength, waviness, and water pressure parameters
  • Show trace lines for daylighting joints along the the slope surface

Shear Strength

  • Mohr-Coulomb
  • Barton-Bandis
  • Hoek-Brown
  • Generalize Hoek-Brown
  • Power Curve
  • Override shear strength by material

Water Pressure

  • Water surfaces from arbitrary surface, points, or boreholes
  • Water pressure grids
  • Ru coefficient
  • Constant water pressure


  • Define multiple geology volumes
  • Define material properties with unit weight, and groundwater parameters
  • 3D geometry tools to build, modify, and cleanup geometry pieces


  • Compute blocks which can be formed by the intersection of joints
  • Compute kinematics using limit equilibrium method to obtain driving and resisting forces and the resulting factor of safety for each block
  • Add search limits for inclusion and exclusion volumes in computation

Analysis Results

  • Advanced report generation
  • Listing of all block information
  • Detailed block information
  • Block contour of factor of safety, weight, volume, required support pressure, failure depth, and probability of failure


  • Point, line, or distributed loads
  • Seismic loads
  • Water pressure inside joints


  • Active or passive rock bolts
  • Active or passive support pressure
  • Shotcrete

Probabilistic Analysis

  • Statistical distributions: normal, uniform, triangular, beta, exponential, lognormal, gamma
  • Plot histogram, cumulative, and scatter plots of input random variables or computed values
  • Probability of failure, and other critical values
  • Monte-Carlo or Latin-Hypercube simulation methods
  • Best fit distribution, regression line
  • Model numerical parameters from material properties and joint properties as random variables

Viewing Options

  • Advanced filtering using conditional expressions to query block information
  • Color blocks by material property color, joint property color, random color, or contour color
  • Results toggle showing all valid blocks, removable blocks or failed blocks subsets
  • Translate block(s) in the block's sliding direction
  • Create a cropped slope cut around selected block(s)
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