- 2 D Geotechnical Engineering Tool

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PLAXIS 2D is a powerful and user friendly finite element package intended for two-dimensional analysis of deformation and stability in geotechnical engineering and rock mechanics. PLAXIS is used worldwide by top engineering companies and institutions in the civil and geotechnical engineering industry. Applications range from excavations, embankment and foundations to tunnelling, mining and reservoir geomechanics.

One package, many applications

PLAXIS is equipped with a broad range of advanced features to model a diverse range of geotechnical problems, all from within a single integrated software package.

The most efficient tool for geotechnical modelling

PLAXIS uses predefined structural elements and loading types in a CAD-like environment. This empowers the user with fast and efficient model creation, allowing more time to interpret the results.

Fast and efficient finite element model creation

The user-friendly interface guides the user to efficiently create models with a logical geotechnical workflow. Via Boreholes users can define complex soil profiles or geological cross-sections. In the Structures mode, structural elements, like piles, anchors, geotextiles, and prescribed loads and displacements can be defined. Geometry can also be imported from CAD-files. The automatic meshing procedure creates a finite element mesh almost immediately.

Realistic assessment of stresses and displacements

With Staged Construction users can accurately model the construction process, by activating and deactivating soil clusters and structural elements in each calculation phase. With plastic, consolidation and safety analysis calculation type,  a broad range of geotechnical problems can be analyzed. Constitutive models range from simple linear to advanced highly non-linear models  wide range of soil and rock behaviour can be simulated. Well proven and robust calculation procedures ensure converging calculations and accurate results. With multi-core calculations and 64-bit architecture PLAXIS can deal with the largest and most complex models.

Powerful and versatile post processing

The versatile Output program offers various ways to display forces, displacements, stresses, and flow data in contour, vector and iso-surface plots. Cross-section tools allow more detailed analysis of results. Data can be copied from tables or via Python based scripting for further processing purposes outside of PLAXIS. The Curve manager enables graph creation, plotting various results types from available calculation data.

  • Easy definition of Rock bolts in Tunnel Designer (VIP)
  • New initial phase calculation type: Field stress (VIP)
  • Automatic centerline extraction for structural forces plots(VIP)

Modelling

  • Swelling rock behaviour in tunnelling
  • Snap to intersection of crossing lines while drawing, visual indicator for snapping
  • Remote scripting: display and save plot types (VIP)
  • Non-linear embedded beam row (M-Kappa diagrams)
  • Easy definition of Rock bolts in Tunnel Designer (VIP)
  • Copy in circular patterns with the polar array (VIP)
  • Unlimited combinations of point forces and distributed loads
  • Tunnel Designer, with CAD Import Option
  • Structural elements; plates, geogrids and anchors, embedded beam row

Calculations

  • Reduce required project disk space by changing the saved step interval
  • New initial phase calculation type: Field stress (VIP)
  • Well-proven and robust calculation procedures
  • Multicore computing (VIP)
  • Include or exclude soil clusters and/or structural elements in safety analysis
  • Facilities for steady-state groundwater flow calculations, including flow-related material parameters, boundary conditions, drains and wells.
  • Distinguish between a Plastic calculation, consolidation-, and safety analysis
  • Automatic regeneration of construction stages
  • 64-bit Calculation Kernel
Material Models
  • User Defined Soil Models (VIP)
  • Soft Soil creep
  • Soft soil
  • Sekiguchi-Ohta, Viscid & Inviscid (VIP)
  • NGI-ADP model (VIP)
  • Mohr-Coulomb
  • Modified Cam Clay
  • Jointed Rock
  • HS Small strain stiffness
Results
  • Use the Output command line to display plots, or save plots with user defined resolution
  • Select number of significant digits displayed
  • PLAXIS 2D Viewer

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