INFLUENCE OF CUBE AND CUBIPOD ARMOR POROSITIES ON OVERTOPPING

Jorge Molines, Tomas J. Perez, Guillermo Zarranz, Josep R. Medina

Abstract


This paper describes a series of small-scale tests which examined the influence of armor porosity on overtopping. The cube and Cubipod armored models corresponded to the Punta Langosteira Breakwater (A Coruña, Spain) during construction, when the primary layer is not in place and the crest freeboard is much lower. Overtopping rates for incomplete cross sections (those under construction) differed significantly from completed ones. After analyzing the variables influencing overtopping, new formulas were developed to estimate overtopping rates in a section during construction. Both the conventional Rc/Hm0 and the ratio Rc/d had a significant influence on overtopping rates of complete and incomplete cross sections.

Keywords


rubble-mound breakwater; armor porosity; overtopping; Cube; Cubipod; construction stage

References


Aminti, P. and L. Franco. 1988. Wave overtopping on rubble mound breakwaters. Proc. 21st ICCE, ASCE, 770-781.

Bruce, T., J.W. Van der Meer, L. Franco, and J.M. Pearson. 2009. Overtopping performance of different armour units for rubble mound breakwaters. Coastal Engineering, 56, 166- 179.http://dx.doi.org/10.1016/j.coastaleng.2008.03.015

EurOtop Manual 2007. Wave Overtopping of Sea Defences and Related Structures: Assessment Manual. Environment Agency, Expertise Netwerk Waterkeren, Kuratorium für Forschung im Küsteningenieurwesen, 111-119.

Figueres, M. and J.R. Medina. 2004. Estimating incident and reflected waves using a fully nonlinear wave model. Proc. 29th ICCE, ASCE, 594-603.

Gómez-Martín, M.E. and J.R. Medina. 2006. Damage progression on cube armored breakwaters. Proc. 30th ICCE, ASCE, 5229-5240.

Gómez-Martín, M.E. and J.R. Medina. 2007. Cubipod concrete armour unit and heterogeneous packing. Proc. Coastal Structures'07, World Scientific Publishing, 140-151.

Medina, J.R., J.A. González-Escrivá, J.M. Garrido, and J. de Rouk. 2002. Overtopping analysis using neural networks. Proc. 28th ICCE, ASCE, 2165-2177.

Medina, J.R., M.E. Gómez-Martín, and A. Corredor. 2010. Influence of armor unit placement on armor porosity and hydraulic stability. Proc. 32nd ICCE, ASCE, 5229-5240.

Shankar, N.J. and M.P.R. Jayaratne. 2003. Wave run-up and overtopping on smooth and rough slopes of coastal structures. Ocean Engineering, 30, 221-238.http://dx.doi.org/10.1016/S0029-8018(02)00016-1

Smolka, E., G. Zarranz, and J.R. Medina. 2009. Estudio Experimental del Rebase de un Dique en Talud de Cubípodos. Libro de Ponencias de las X Jornadas Espa-olas de Costas y Puertos, Universidad de Cantabria-Adif Congresos, 803-809.

SPM. 1984. Shore Protection Manual, U.S. Army Corps of Engineers, Waterways Experiment Station, Coastal and Hydraulics Laboratory, Vicksburg, MS. Volume III, 20-70.


Full Text: PDF

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.