Rocscience

- Settlement and Consolidation Analysis

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Settle is a three-dimensional program for the analysis of vertical consolidation and settlement under foundations, embankments and surface loads. The program combines the simplicity of one-dimensional analysis with the power and visualization capabilities of more sophisticated three-dimensional programs.

You can quickly create complex soil profiles and loading conditions, and view results in 3-dimensions. Modeling can be staged, and time-dependent consolidation analysis can be performed including primary and secondary consolidation (creep) at user defined time intervals. A variety of linear and non-linear material types can be modeled. Groundwater elevation can be staged and horizontal and vertical drainage conditions can be specified.

Circular, rectangular or polygonal load shapes can be defined with uniform or variable load magnitudes, and flexible or rigid foundations. Loading can be staged and applied at any depth (e.g. to simulate piles or raft foundations). Excavations can be defined and loads applied within excavated areas. A special embankment designer allows you to easily define multi-stage layered embankments. Back analysis options allow you to determine the pre-load fill height or time required to achieve a given settlement.

Settlement, stress and pore pressure are computed throughout the 3-dimensional volume, and results can be contoured along any horizontal or vertical plane, or plotted along any line. Settlement deformation can be viewed in 3-dimensions, magnified by a user-defined scale factor. Data presentation is highly interactive, and contours and graphs are updated in real time as you change the data type, depth or location. Results can be exported to Excel with a single mouse click.

Modeling

  • Interactive editing
  • Right-click shortcuts
  • Easily define arcs and circles
  • Import/export .dxf files
  • Grid/vertex/object snapping
  • Interactive sidebar
  • Depth control
  • Undo/redo
  • Metric or imperial units
  • Data tips

Analysis

  • Non-horizontal soil layers
  • Multiple boreholes
  • Horizontal soil layers
  • Multiple layers/soil types
  • Multiple loads
  • Multi-stage analysis
  • Time-dependent consolidation based on Terzaghi theory
  • Immediate, primary and secondary consolidation (creep)
  • Hydro-consolidation

Material Types

  • Linear elastic
  • Non-linear
  • Janbu
  • Koppejan
  • Collapsible soil
  • Variable with depth
  • Database of typical properties

Liquefaction

  • Post-triggering LDI and settlement
  • Pre-defined SPT calculation methods
  • Ground profile for LDI
  • SPT, CPT, VST data
  • Multiple analysis methods
  • Comprehensive results

Loading

  • Different shape load
  • Staged loading, pre-load
  • Embankment
  • Excavation
  • Uniform or variable
  • Flexible or rigid
  • Staged loading
  • Horizontal loading

CPT Data Interpretation

  • CPT analysis based on qc, fs, and u2
  • Determine soil profile
  • Over 25 parameters calculated
  • Five SBT options

Non-Horizontal Ground Surface

  • Define using boreholes and CPT points
  • 3D surface contour
  • Define soil profile by depth or elevation

Stress Computation Method

  • Westergaard
  • Vertical ratio (2:1, angle)
  • Multiple Layer
  • Boussinesq

Groundwater

  • Define multiple water grids
  • Define multiple piezo lines
  • Staged water table elevation
  • Horizontal drainage
  • Wick drain regions

Compute

  • Field point grid
  • Line query
  • Point query
  • Back analysis using preload or time
  • Point query

Empirical Methods

  • Burland and Burbidge
  • Schmertmann
  • Peck, Hanson, Thornburn
  • Schultze and Sherif
  • D’Appolonia

Contour Data

  • Settlement
  • Secondary consolidation
  • Stress
  • Pore pressure and excess pore pressure
  • Modulus of subgrade reaction
  • Virgin and recompression consolidation settlements
  • Horizontal stresses

Visualization

  • Plan view/3D view
  • Plot contours on horizontal, vertical or user-defined planes
  • Plot results on vertical or horizontal lines
  • Plot multiple stages, times or locations on one graph
  • Animate/rotate 3D view
  • Isosurfaces

Export

  • One click export to Excel
  • Copy to clipboard
  • Export image files
  • Info Viewer
  • Drawing, annotation, and dimensioning toolkit
  • Customize/save view options

  • Settlement
  • Embankments
  • Soil

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