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GEO5

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Water

There are three options in the program to introduce ground water:

  • The ground water table can be specified as a continuous interface below and above the ground surface. In such a case, the program automatically adjusts the soil self-weight below the ground water table.
  • The pore pressure values are entered via isoline. Input is the same as interface input. The pore pressure values are inserted into the table "List of interfaces" in the left bottom part of the screen. The values between isolines follow from linear interpolation.
  • The pore pressure coefficient ru represents the ration between pore pressure and the geostatic stress in the soil. The values of the coefficient ru are specified for individual isolines. The first isoline always coincides with the ground surface. The remaining isolines are introduced in the same way as interfaces between individual soil layers. The values are inserted into the table "List of interfaces" in the left bottom part of the screen. The values between isolines follow from linear interpolation.

When entering the values of pore pressure or the values coefficients ru the unit weight of soil is assumed in the whole body to be equal to the unit weight γ regardless of the values of pore pressures or coefficients ru.

The simplest way to check the input of water is to plot the distribution of pore pressure in the output window.

Input interfaces of water can be copied within all 2D GEO5 programs using "GeoClipboard".

Visualization of pore pressure