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Dimensioning of Concrete Cover

The concrete cover of a nailed slope is designed to sustain an active earth pressure. So, the structure is assumed to be subdivided into individual intermediate design strips.  

In the vertical direction, the nail cap is modeled as support and joint between benches as an internal hinge.

In the horizontal direction, the program generates (by default) a structure with four supports uniformly loaded by the magnitude of active pressure up to a depth of the nail cap. 

The program further allows for the verification of concrete cover reinforcement of a structure loaded by the bending moment.

Constructing scheme of the model design including load is evident from the figure:

Dimensioning of concrete cover

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