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Basic Data

This part of the window serves to introduce basic parameters of soils - unit weight, angle of internal friction and cohesion. The particular values are obtained from geotechnical survey or from laboratory experiments. If this data is not available, it is possible to exploit the built-in database of soils, which contains values of selected soil characteristics. The characteristics of rocks are not listed in the built-in database, these parameters must be defined manually.

Effective or total parameters of an internal friction angle and cohesion are specified depending on the setting in the "Stress analysis" combo list. Whether to use effective or total parameters depends primarily on the type of soil, type of load, structure duration and water conditions.

For effective stress, the angle of internal friction between the soil and structure is further specified, which depends on the structure material and the type of soil. Possible values of this parameter are listed in the table of recommended values.

For total stress, the adhesion of soil to the structure face a is further specified.

The associated theory is described in detail in "Earth pressures" chapter ".

"Add new soils" - "Basic data" dialog window

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