The paper deals with a morphological study on a drained beach, under different wave conditions. The Beach Drainage System (BDS) should artificially increase beach infiltration capacity by installing a drain under the beach face. The system produces a water table lowering and, consequently, an increasing of unsaturated zone (Damiani et Al.,2009); moreover, a vertical infiltration flow increases effective weight of grains, producing a better stability. According to the above hydrodynamic effect, BDS should influence cross-shore sediment transport in the shore zone. Many BDS prototypes have been installed around the world; also in Italy, some examples are available, i.e. Ostia (Damiani et Al.,2003), Alassio and Procida (Vicinanza et Al.,2009). Field monitoring is very useful to assess the effectiveness of the system, even if with uncertainties in results, affected by the impossibility to control the boundary conditions. Laboratory tests (Damiani et Al.,2009) could be used in defining how does the system work in different wave conditions and drain configurations.

Nearshore morphodynamic of a drained beach / Damiani, L.; Petrillo, A. F.; Saponieri, A.. - STAMPA. - (2010). (Intervento presentato al convegno 32nd International Conference on Coastal Engineering, ICCE 2010 tenutosi a Shanghai, China nel June 30 - July 5, 2010).

Nearshore morphodynamic of a drained beach

Damiani, L.;Petrillo, A. F.;Saponieri, A.
2010-01-01

Abstract

The paper deals with a morphological study on a drained beach, under different wave conditions. The Beach Drainage System (BDS) should artificially increase beach infiltration capacity by installing a drain under the beach face. The system produces a water table lowering and, consequently, an increasing of unsaturated zone (Damiani et Al.,2009); moreover, a vertical infiltration flow increases effective weight of grains, producing a better stability. According to the above hydrodynamic effect, BDS should influence cross-shore sediment transport in the shore zone. Many BDS prototypes have been installed around the world; also in Italy, some examples are available, i.e. Ostia (Damiani et Al.,2003), Alassio and Procida (Vicinanza et Al.,2009). Field monitoring is very useful to assess the effectiveness of the system, even if with uncertainties in results, affected by the impossibility to control the boundary conditions. Laboratory tests (Damiani et Al.,2009) could be used in defining how does the system work in different wave conditions and drain configurations.
2010
32nd International Conference on Coastal Engineering, ICCE 2010
978-90-78046-08-0
Nearshore morphodynamic of a drained beach / Damiani, L.; Petrillo, A. F.; Saponieri, A.. - STAMPA. - (2010). (Intervento presentato al convegno 32nd International Conference on Coastal Engineering, ICCE 2010 tenutosi a Shanghai, China nel June 30 - July 5, 2010).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/14535
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