These options can be used in SWedge to apply loading to wedges to simulate stabilizing or destabilizing forces. Custom Probabilistic analysis using random variables generated from a custom sampling technique and probabilistic distribution.
A Probabilistic Analysis allows you to define statistical distributions of input parameters (e.g. To account for uncertainties in their values, you can define statistical distributions for input parameters (e.g. joint orientation, shear strength, and water level) in a Probabilistic Analysis. The analysis results in a safety distribution, from which a Probability Of Failure can be calculated.
UnWedge uses block theory to determine all possible wedges by combining three joint planes with the excavation. Goodman and Shi describe the method for finding wedges in the “Block Theory and its Application to Rock Engineering” text. IDS GeoRadar and Rocscience continue to enable users to tackle more difficult slope stability projects. Slide3 Safety Maps are now available in Guardian. A Probability of failure is not reported because the Combination Analysis option does not provide a probabilistic analysis. A Probability of Failure can be calculated by multiplying the number of failed wedges and the total number of joint combinations.
Import joint orientation data (Dips into UnWedge) including set statistics and mean plane orientations, as well user plane and grid data orientations. You can achieve safety design by adding support like spot bolts or patterns, layers of shotcrete, or uniform pressure to the border. Support designer offers specialized views that allow you to add, edit, and visualize perimeter and end support. You can combine different types of support (e.g. Bolts and shotcrete can be combined, and the support parameters required to reach a certain level of safety can easily be determined. CPillar allows you to quickly and interactively assess the stability of underground crown pillars and laminated roofs.
Examine2D, a 2-dimensional plane strain indirect border element program, is used to analyze the elastic stress in underground excavations. UnWedge determines the maximum number of wedges that may form around an excavation’s perimeter. Depending on the orientation of the excavation and the joint orientations, less than six wedges can be made.
The probabilistic analysis allows you to add statistical distributions on variables such as joint strength, joint orientation, field stress properties, and support properties. SWedge’s Combination Analysis allows you to specify any number of joint plane orientations. All possible combinations of joints that can form a wedge are analyzed. The minimum safety factor is found and the results can be plotted using histograms or scatter plots. SWedge integrates with Dips, Rocscience’s software program for the statistical and graphical analysis of stereonet orientation data. Users who have large models files to work with now have an easy way to quickly generate results for all files. This new feature allows you to calculate multiple Deterministic, Probabilistic, and Combinations, analysis models. The files are processed sequentially and the results are saved to a folder. This eliminates the need for manually opening each file and exporting them.
Analyze underground tunnel excavations that intersect with discontinuities, and view the model in 3D. Calculate the support requirements for each tetrahedral wedge along the tunnel’s perimeter and ends to reach the safety factor. Create wedge models quickly and factor in shear strength, water, field stress, and supports. UnWedge allows you to visualize and perform 3D stability analyses in underground excavations.
Batch Compute Save time by using the Batch Compute feature. This allows you to quickly create text- or Excel-format results from multiple deterministic or probabilistic UnWedge models files (.weg,.weg5) at once. Evaluate the stability of underground rock mining sites subject to field stress and in-situ water. UnWedge can assess the potential perimeter and end wedges created by three intersecting joints in an excavation. UnWedge can also evaluate all possible joint combinations if there are more than three sets. Bolts can be either spot or pattern bolts. Many commonly used bolt types can also be applied. anchored, grouted dowel, cable bolt, etc).
The tunnel orientation analyzer and tunnel axis plot can optimize the orientation of the tunnel axis. Over a variety of tunnel axis trends, and plunges, assess the safety factors and support pressures required for the tunnel.
Users can now obtain large quantities of analysis results using varying input parameters that are tailored to their requirements with new input automation. This new feature allows users to pre-process numerical inputs and automate the calculation of millions of wedges. Users can also generate post-processing results. With automated inputs, users can analyze a variety of unique Deterministic and Probabilistic scenarios. Automated numerical inputs can be used to calculate the wedge geometry, strength, and seismic as well as water pressure and scaling. The results can be exported in Excel or CSV format to allow for post-processing and graphing. Results files include all relevant inputs and calculated values for each wedge scenario being analyzed. To increase the safety factor of wedges, you can use rock bolts, shotcrete, or support pressure. It is also possible to model destabilizing forces caused by water pressure, seismic loads, or other forces.
Tunnel Axis Plot allows you to plot the results of the automatic variation of Tunnel Axis Orientation across a range of values. Tunnel OrientationAnalyze a variety of tunnel axis trends, plunges, and all joint combinations. The critical minimum and maximum values (i.e. Required Support Pressure, Factor Safety, Wedge Weight, etc.), must be determined. These critical conditions are created by the combination of tunnel trends, plunges, or joint combinations. RocTopple, an interactive software tool that allows you to perform rock slope support design and toppling analysis. You can model any underground or surface excavation and easily analyze stress, groundwater flow, and design supports. Our slope stability software is designed to quickly analyze and model both soil and rock slopes in 3D.
You can also model pressure – support as a uniform pressure that is applied to any point along the boundary. You can simulate any type of support system with the pressure option.
Rocscience Unwedge System Requirements
- Memory (RAM): 1 GB of RAM required.
- Operating System: Windows XP/Vista/7/8/8.1/10
- Processor: Intel Dual Core processor or later.
- Hard Disk Space: 50 MB of free space required.