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Ground Loss

This program is used for analysis and determination of the shape of subsidence trough above excavations and to evaluate the damage to buildings situated in the affected area.


  • Subsidence trough analysis using the Volume Loss Method or classical theories (Peck, Limanov, Fazekas)

  • Shape of subsidence trough estimated using Gauss or Aversin approximation

  • Can model sequential excavation and multiple tunnel tubes

  • Determination of subsidence trough shape, settlement, gradient and horizontal strains

  • Subsidence trough analysis at ground surface or at given depth

  • Consideration of layered geological profile when using traditional methods

  • Implemented table with recommended values of VL and k when using the Volume Loss Method

  • Assessment of building damage

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