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GGU-DOLPHIN: "Length surcharge" menu item

Here you can specify the way in which length surcharge is calculated.

A length surcharge for the theoretically determined embedment depth is required for dolphins. In accordance with the EAB, this surcharge can be adopted at 20% of the theoretically determined embedment depth. Alternatively, the length multiplier Δx can also be calculated in accordance with the EAU:

Δx ≥ Ch / ephC

Ch = equivalent force after Blum (horizontal component)
ephC = passive earth pressure stress at the theoretical toe TF

Opinions differ in terms of adopting the wall friction angle of the equivalent force after Blum. If you activate the check box "Wall friction angle delta,p in accordance with Piling Handbook 2007", the passive earth pressure value is used. Otherwise, the value given in the "Editor 1/Sum V analysis" menu item is used.

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