OVERTOPPING CHARACTERIZATION FOR THE ELABORATION OF VULNERABILITY MAPS IN PORTS FACILITIES

Alvaro Campos,Rafael Molina,Carmen Castillo,Rebeca Gomez,Ana Alises,Alberto Llana

doi:10.9753/icce.v33.posters.26

Abstract

Overtopping has been widely studied (European project CLASH 2000-2010), and mean and maximum overtopping discharge values have already been proposed. However, fundamental variables for determining overtopping affections and risks, such as the shape and energy of the overtopped water mass and how it is distributed in the possible affected zones (vulnerable areas), are not yet defined.   This study focuses on getting deeper comprehension of the flow-structure interaction. Different overtopping types have been characterized and a first step in the extension of the parametric map proposed by Mc Conel (1998) by including an overtopping term has been done. Also, a new mean overtopping rate (qnew) has been proposed, taking into account just the total overtopping time instead of the total test’s duration (q). This new way of measuring the mean overtopping rate seems to permit a more realistic characterization of overtopping as it gives a clue of the individual volumes of each overtopping event, which is fundamental for a risk evaluation.

Highlights

Technologic developmentIncrease in ship’s dimensionsEconomies of scaleDevelopment of coastal areas and sea transportUnavailability of natural sheltered baysDemand of port’s facilities at deep waterSEVERE WAVE ACTION 31 m 17 mOvertopping event at Gijon’s PortNON-OVERTOPPED BREAKWATERS
Study of economic and exploitation consequences derived from overtopping event based on real cases
Elaboration of vulnerability and risk maps derived from overtopping events

Summary

Introduction

Technologic developmentIncrease in ship’s dimensionsEconomies of scaleDevelopment of coastal areas and sea transportUnavailability of natural sheltered baysDemand of port’s facilities at deep waterSEVERE WAVE ACTION 31 m 17 mOvertopping event at Gijon’s PortNON-OVERTOPPED BREAKWATERS. GENERAL OBJECTIVE: Evaluate the feasibility of extending the “parameter map” proposed by Mc Conell including an overtopping term hb* hb hs Analyzed overtopping types: TYPE I: HIGH DENSITY GREEN WATER Which are the overtopping flow properties of this type of episode?

Objectives

Results

Conclusion