Analysis, modelling and design of a groin as coastal protection structure at Lido di Dante, Ravenna

Melito, Gian Marco (2017) Analysis, modelling and design of a groin as coastal protection structure at Lido di Dante, Ravenna. [Laurea magistrale], Università di Bologna, Corso di Studio in Civil engineering [LM-DM270], Documento ad accesso riservato.
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Abstract

An analysis and a subsequent solution is here presented. This document is about a groin design able to contrast the erosion actions given by waves in Lido di Dante. Advantages will be visible also for Fiumi Uniti's inlet, in the north side of the shoreline. Beach future progression and growth will be subjected to monitoring actions in the years after groin construction. The resulting effects of the design will have a positive impact not only on the local fauna and environment, but also, a naturalistic appeal will increase making new type of tourists coming not only for recreational purposes. The design phase is focused on possible design alternatives and their features. Particular interest is given to scouring phenomena all around the groin after its construction. Groin effects will impact not only on its south side, instead they will cause an intense erosion process on the downdrift front. Here, many fishing hut would be in danger, thus a beach revetment structure is needed to avoid any future criticality. In addiction, a numerical model based on a generalized shoreline change numerical model, also known as GENESIS, has been applied to the study area in order to perform a simplistic analysis of the shoreline and its future morphology. Critical zones are visible in proximity of the Fiumi Uniti's river inlet, where currents from the sea and the river itself start the erosion process that is affecting Lido di Dante since mid '80s, or even before. The model is affected by several assumptions that make results not to be interpreted as a real future trend of the shore. Instead the model allows the user to have a more clear view about critical processes induced by monochromatic inputed waves. In conclusion, the thesis introduce a wide analysis on a complex erosion process that is affecting many shoreline nowadays. A groin design is seen as a hard solution it is considered to be the only means able to decrease the rate of erosion.

Abstract
Tipologia del documento
Tesi di laurea (Laurea magistrale)
Autore della tesi
Melito, Gian Marco
Relatore della tesi
Correlatore della tesi
Scuola
Corso di studio
Indirizzo
Ordinamento Cds
DM270
Parole chiave
groin,Lido di Dante,coastal,engineering,protection,coast model,scouring,GENESIS model,coastal revetment,Ravenna,scouring protection
Data di discussione della Tesi
6 Ottobre 2017
URI

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