Due figure per chiarire "l'effetto tortuosità" dovuto ai blocchi.

Figura tratta da:
Medley, E.W. & Sanz, P.R. Increases ...nd rock blocks.


Figura tratta da:
Characterization of Bimrocks (Rock/Soil Mixtures) With Application to Slope Stability Problems


How many years can a mountain exist/
before it is washed to the sea?