rocscience Software
Rocscience UnWedge
Underground Wedge Stability Analysis
Features in UnWedge
Technical Specifications
Excavation
- Define/Edit opening section
- Import/Export .dxf fi les
- Axis trend/plunge
- Analyze tunnels, caverns, shafts, and intersections
Joints
- Orientation (dip/dip direction)
- Import from Dips
- Stereonet view
- Multiple joint combinations
- Joint combination analyzer
- Shear strength (Mohr-Coulomb, Barton-Bandis, Power Curve)
- Waviness
- Joint structure continuity
- Water pressure
Loading
- Seismic loading
- Field stress
- Pressure
- Bolt force
- Water pressure
Probabilistic Analysis
- Statistical distributions—normal, uniform, triangular, beta, exponential, lognormal, gamma
- Fisher distribution for joint orientations
- Histogram, cumulative, and scatter plots
- Import joint set statistics from Dips
- Monte Carlo or Latin Hypercube simulation
- Random or pseduo-random sampling
- Highlight failed wedges on plots
- View all results from multiple joint combinations of three different joints at once
Stress Analysis
- Constant field stress
- Gravity field stress
- Advanced analysis options
- View stress contours
Support
- 2D design views
- Pattern bolting, shotcrete, pressure, and spot bolting
- Bolt models – Anchored, Grouted Dowel, Cables, Swellex, Split Sets, and user-defined
- Bolt orientation efficiency
- Interactive editing
- Bolt force diagrams
Tunnel Axis Plots
- Optimize axis orientation
- Vary trend and/or plunge
- Contour plots or 3D charts
- 2D charts with secondary data
- User-defined data
Viewing Options
- 3D wedge view (orthogonal and perspective views)
- Multi-perspective view
- End-wedge view
- Probability view
- Wedge visibility
- Move wedges
- Easily rotate, zoom, and pan
- Animation
- Display options
Wedges
- Tetrahedral or prismatic wedges using Goodman/Shi block theory
- Perimeter wedges
- End wedges
- Failure modes—falling, sliding, lifting, stable
- Scale wedge size
- Ground surface wedge truncation
- Failure mode filter
- Minimum wedge size filter
- EC7 design standards
UnWedge across Applications
UnWedge assess possible perimeter and end wedges formed by three intersecting joints along an excavation. If more than 3 possible joint sets exist, UnWedge is also capable of evaluating all joint combintions.
Assess the stability of underground rock mines subject to in-situ water and field stress conditions.
Optimize tunnel axis orientation with the tunnel axis plot, and tunnel orientation analyzer. Assess the critical factors of safety and required support pressures of the tunnel over a range of tunnel axis trends and plunges.
Explore the latest features in UnWedge
Analyze a range of tunnel axis trends and plunges, as well as consider all joint combinations. Determine critical minimum or maximum values (i.e., Required Support Pressure, Factor of Safety, Wedge Weight, etc.) and the tunnel trends, plunges, and joint combinations which produce these critical conditions
Get more flexibility with the option to add multiple bolt patterns to end wedges or add bolt patterns to both ends of the tunnel independently.
Save time with the Batch Compute feature which enables you to compute several deterministic and/or probabilistic UnWedge model files (.weg, .weg5) at once and quickly generate results to text or Excel format.
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