GGU-LATPILE: Passive earth pressure

The coefficient of passive earth pressure can be calculated using several methods:

• DIN 4085:2017,

• DIN 4085: 2017 planar slip surfaces,

• Streck,

• Caquot/Kerisel,

• DIN 4085:2017 planar slip surfaces/Caquot/Kerisel,

• Culmann.

The earth pressure after Culmann is acquired by varying the slip surface angle (see Piling Handbook 1977). The forces at the earth pressure wedge are calculated using a slice method.

Following a proposal by Vogt (Dr. N. Vogt, Vorschlag für die Bemessung der Gründung von Lärmschutzwänden (Proposal for designing the footings of noise abatement walls), Geotechnik 1988, p. 210) a failure system corresponding to the pile width is considered. The friction and cohesion forces acting on both sides of the failure system are incorporated in the calculation after Culmann. This determines a spatial passive earth pressure.

Otherwise, the following options are available for the spatial effect of the passive earth pressure:

• To DIN 4085:2011,

• To DIN 4085:2011 planar slip surfaces,

• To Weißenbach

• Without 3D influence.