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Tangram
Geolocated geotechnical instabilities automatic detection using site mapped structures, topographical surveys and slope designs
TANGRAM
Tangram is the most advanced software to identify instabilities in a mine operation. It uses topographical surveys and slope designs identifying which blocks are unstable and geolocating them. It uses site-mapped structures and faults modeled as surfaces, which are also stored and managed in the software
FEATURES
TIMining Tangram automatically detects instabilities and calculates their safety factors and failure probability. It also displays what the resulting slope will be once all the unstable blocks are removed. These functions are highly intuitive and user-friendly, which makes Tangram an easy-to-use tool that provides quick support to geotechnical engineers and planners
AUTOMATED & GEOLOCATED DETECTION OF INSTABILITIES
Tangram automatically detects potential instabilities that may have formed by mapped structures on site and geolocates them. It can detect all plane faults, wedges and complex blocks made up of three or more structural planes
Safety factor & failure probability calculation
Tangram will calculate the safety factor and probability of failure for each block found on the slope. You can then filter and color code the blocks according to their safety factor, failure probability or variables such as volume and tonnage
DESIGN PARAMETERS ASSESSMENT & RESULTING SLOPE
Tangram can be used to model and assess slope designs to detect instabilities by changing design parameters such as, bench face angle, berm width and bench height. Instabilities detected on an actual or planned slope can be removed to obtain and see what the final slope would look like
EXTEND & SIMULATE STRUCTURES
Tangram can be used to extend structures mapped on the last bench onto a lower slope design in order to predictively study the instabilities that will be formed. Users can also randomly create structures based on the mine’s structural sets, populate a slope design with simulated structures and assess the designs
Mapping
Tangram allows you to upload photogrammetric images of the slopes and merge to the survey, which provides support for remote structural mapping, especially in inaccessible areas. You can also place structures onto each survey and model new fault surfaces
Additional tools
Tangram can be used to trace structures on slopes; to view structures in a stereographic network and select them for system assignment; triangulate, divide or compose actual surveys and design meshes; view cross-sections, contours and cuts; upload geological and geotechnical models, and other geometries (e.g., mining plans, underground infrastructure or piezometric-phreatic surfaces); and export different geometries/meshes and analytical results
FAQ
RocPlane and Swedge allow users to model only a plane fault or wedge on an ideal slope. Tangram identifies every plane fault, wedge and block made up of three or more structures geolocated, in an actual survey
Leapfrog is a geological modeling software that produces lithology, alteration and mineralization volumes; it also allows users to model and map fault surfaces that alter how these bodies are arranged. Tangram allows users to model and map fault surfaces since it is a software meant for the structural that identifies instabilities formed by minor faults and structures
Tangram identifies instabilities and their associated safety factor, geolocating them, which allows users to decide whether to remove instabilities bench by bench or to make operational-safety decisions. Tangram also boosts operational continuity by reducing the number of unexpected geotechnical events because it identifies and predicts instabilities, and therefore allows users to consider numerous designs with different slope angles and berm width so that they come closer to defining the optimal parameters required by their business while forming the least number of instabilities
Plane faults: Tangram identifies structures that intersect the topography and evaluates the azimuth difference between the slope and the structure according to the limit input by the user for forming plane faults. It will then create liberating planes in order to form instabilities alongside the topography.
Wedges and Blocks with three or more planes: Tangram intersects all structures considered in the topography and illustrates where closed polyhedrons form with the topography (stellated polyhedrons)
Yes, you can use Tangram to create new structures by mapping on the slope
Yes, Tangram can upload three types of photogrammetry files: surfaces, one or more images making up the texture of a surface, and a file that links texture with the surface (.mtl).
Yes, Tangram allows you to create disks on a slope according to a dip distribution, dip direction, spacing and longitude, each one with an associated mean and standard deviation, which simulate the characteristics of the structural set you want to represent
Yes, when identifying instabilities, Tangram can use minor structures from a structure table or csv, and medium and major faults modeled as .dxf as input
All you need is a notebook or a personal computer to install Tangram and get started. You do not need a server or any other connection. Tangram is installed with an executable file in just a few minutes
a.Processor: Intel 64 bit, Core i5 or higher. Core i7 recommended.
b.RAM Memory: minimum of 6 GB; 12 GB or more recommended
c.Hard Drive: minimum of 250 GB; 500 GB or more recommended.
d.Operating System: Windows XP (SP3), 64 bits or more.
e.Graphics: Graphic card supporting OpenGL 3.3, with 1 GB or more of dedicated memory. GeForce GTX 460 or higher recommended.
f.Screen: 1024 x 728 minimum resolution.
g.Accessories: TrackBall mouse
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