Technical Specifications
Import
- Import .obj, .dxf, dtm and other common geometry files
- Import sensor data from various manufacturers
- Import joint orientations and set statistics from a Dips file
- Import joint orientations, locations, and joint property assignments from a CSV file
- Import bolt geometry, bolt property assignments, and staging assignments from a CSV 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
- Sequential staging
Joints
- 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 ground surface and on the excavation
- Trim joints with volumes
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
- Stageable hydraulic material assignments
Excavation
- Define multiple geology volumes
- Define material properties with unit weight, and groundwater parameters
- 3D geometry tools to build, modify, and cleanup geometry pieces
- Stageable geology, excavation, and infill material volume assignments
Analysis
- Compute blocks which can be formed by the intersection of joints across each stage
- Compute kinematics using the limit equilibrium method to obtain driving and resisting forces and the resulting factor of safety for each block across each stage
- 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
- Staged results
Loading
- Stageable point, line, or distributed loads (install at stage, remove at stage, stage factors)
- Stageable seismic loading (install at stage, stage factors)
- Water pressure inside joints
Support
- Stageable active or passive rock bolts (install at stage, remove at stage)
- Stageable active or passive support pressure (install at stage, remove at stage)
- Stageable shotcrete (install at stage, remove at stage)
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 excavation cut around selected block(s)
- Show intersecting bolts
- Show bolt force diagram and bolt column force
- Show joint water pressure contours