Technical Specifications
Analysis Methods
- Analysis Methods
- Rigid plate analysis
- Elastic plate analysis
- Voussoir (no tension) plate analysis
- Deterministic or probabilistic analysis type
- Sensitivity analysis
Failure Modes
- Shear (vertical slippage at abutments)
- Elastic buckling
- Arch snap-thru (buckling due to gravity)
- Localized crushing failure
File Output
- Save processed file
- Export to Excel
- Export image
- Copy to clipboard
Geometry Definition
- Pillar length
- Pillar width
- Pillar height
- Rock unit weight
- Overburden unit weight
- Water unit weight
- Permeable or impermeable pillar
- Face dip (Voussoir)
Interface
- Info Viewer provides a comprehensive summary of model
- Input data and analysis results, in a formatted text listing
- Display Options allows for customized colours, fonts, significant digits, view controls
- Three-dimensional pillar display
- Auto-compute results checkbox
Lateral Stress Definition
- Stress type: Constant or Gravity
- Water height
- Overburden thickness
- Horizontal sigma x; horizontal sigma y (constant stress)
- Horizontal/vertical Kx; horizontal vertical Ky (gravity stress)
- Support pressure (Voussoir)
Probabilistic Analysis
- Probability of failure
- Monte Carlo or Latin Hypercube sampling method
- Histogram plot
- Cumulative plot
- Scatter plot
- Highlight failed cases with a factor of safety below a certain value
- Plot regression line
Shear Strength Criterion
- Mohr-Coulomb
- Generalized Hoek-Brown (GSI, mi, D)
- Generalized Hoek-Brown (mb, s, a)
- Hoek-Brown
Statistical Distributions
- Normal
- Uniform
- Triangular
- Beta
- Exponential
- Lognormal
- Gamma