midasGTS NX Solutions


Tunnels

Design Considerations:

  • Ground material properties
  • Earthquake
  • Moving loads
  • Blasting loads
  • Cyclic loads
  • Soil-Structure-Interaction

Solutions:

  • Model and analyse each phase of tunnel construction, including a simulation of the excavation itself.
  • Perform analyses of various types of tunnel linings such as unsupported rock, shotcrete, and unreinforced concrete systems.
Back to the top
 

Slopes

Design Considerations:

  • Overall stability
  • Reinforcements
  • Long term stability (earthquake / rainfall)
  • Water pressure
  • Construction sequence (slope berm / inclination)

Solutions:

  • User-friendly modelling interface that has been specifically designed to overcome limitations of conventional 2D limit equilibrium method analysis.
  • Ability to analyse high-end slope projects that involve soil-structure interaction, analysis of slope stability during construction, and staged construction for embankments built on soft clay foundations.
Back to the top
 

Foundations

Design Considerations:

  • Skin friction / End bearing
  • Group behaviour
  • Lateral movement
  • Water level
  • Differential settlements
  • Stress distribution
  • Pile type

Solutions:

  • Perform thorough analyses of spread footings, deep foundations, pile foundations, and shaft foundations.
  • Determine horizontal pile foundation movement, bearing capacity, and differential settlements.
  • Simulate group pile behaviour.
  • Study the settlement and decrease of stability of adjacent structures due to the additional loading caused by your project footing.
Back to the top
 

Ground Water

Design Considerations:

  • Water level fluctuations with time
  • Pore water pressure distribution
  • Drain or filter
  • Inflow / Outflow flux

Solutions:

  • Easily model very complex 2D or 3D geometry and layers of stratification.
  • Accurately model zones in which seepage gradients or velocities are high by varying the size of the elements. 
  • Perform any type of complex seepage analysis investigation.
Back to the top
 

Excavations

Design Considerations:

  • Stress release (loading/unloading)
  • Water surface (seepage force)
  • Heaving or boiling
  • Reinforcements
  • Excavation steps with time
  • Adjacent structures

Solutions:

  • Analyse each stage of the excavation sequence along with the permanent and temporary structures that are to be constructed during each respective phase.
  • Calculate highly accurate bending moments and deflections of retaining elements.
  • Take advantage of advanced modelling and post processing features that have been designed to simplify and streamline the once time consuming and complex process of performing finite element analysis for excavation.
Back to the top
 

Retaining Walls

Design Considerations:

  • Overall stability
  • Reinforcements (structural / fiber)
  • Lateral movement
  • Long term stability (earthquake / rainfall)
  • Water pressure
  • Construction sequence (inclination)

Solutions:

  • Carry out slope stability analysis with selected structural elements and load component applied to the ground.
  • Simulating soil-structure interaction behaviour using friction based interface element.
Back to the top
 

Dynamic

Design Considerations:

  • Ground material properties
  • Earthquake
  • Moving loads
  • Blasting loads
  • Cyclic loads
  • Soil-Structure-Interaction

Solutions:

  • Fully benefit from the use of 2D and 3D models for seismic analysis.
  • Perform response spectrum analysis for conventional projects as well as time history analysis for high-end seismic design calculations.
  • Use the modal superposition method to estimate the displacement of structures from a linear superposition of modal displacements.
  • Perform nonlinear dynamic analysis, utilising detailed ground motion records along with structural models to calculate highly accurate results.
Back to the top
 

Soft Ground

Design Considerations:

  • Initial and long term stability
  • Compressibility
  • Lateral ground flow
  • Slope failure
  • Differential settlements
  • Reduction of bearing capacity
  • Improvement methods

Solutions:

  • Calculate time-dependent consolidation settlement through staged consolidation analysis.
  • Perform fully coupled analysis in the same sequence as field construction.
  • Perform a wide range of stability analyses such as embankment slope, adjacent structures and the interaction of reinforcements and soil materials.
Back to the top

More Information?


Enquire Now

or Call Us...
      +44 (0)1908 278606 (UK)
      +27 (0)11609 1714 (SA)