Form Finding Flashback: Basento Viaduct
It is unclear where the unusual shape of the Basento Viaduct (Potenza, Italy) was derived. Some even say the thin shell concrete pedestrian bridge is shaped like the headdresses of nuns in Federico Fellini’s Italian films [1]. Regardless, the Basento Viaduct is an example of a structure designed using early form finding techniques.
Today, we rely heavily on the use of computational methods for the form finding of thin shell structures. Yet, we see existing shell structures around the world that were designed and realized before engineers had numerical technology. Who were these extraordinary engineers and how did they generate these unique forms?