Its development has almost always been driven by military requirements. Yet do we really know its origin? Since Julius Caesar used this technology in Brindisi (Italy) up to the Normandy landings in June 1944, not only has this technology been developed, but it has been a key item in several moments in history.
The breakwater construction technique using floating concrete caissons is well-known nowadays as a widespread system. Economically, the GFRP caisson solution was competitive compared to the original project solution. The construction and environmental advantages include: savings of 75% in CO2 emissions and 90% reduction in the need for construction surfaces. GFRP caissons were manufactured in a factory in Jerez (Spain), transported by ship to the Canary Islands, assembled on site and launched into the sea with a light crane. Glass fiber and gel-coated UV-protected epoxy resins were used to build a cylindrical structure of 12 m diameter and 13.3 m height, filled with granular aggregates and topped with a 2 m concrete slab, where mooring bollards were fixed. The construction technique marks a milestone in civil engineering because of its highly innovative nature that will significantly reduce time and complexity of construction operations. GFRP caisson technology was developed for construction of two mooring dolphins in Puerto del Rosario (Fuerteventura, Spain) in a more environmentally friendly way than traditional solutions.
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