World's first 3D printed concrete bridge has been put in place in Spain
World's first 3D printed concrete bridge has been put in place in Alcobendas, Spain. The bridge, which features 12 meter long and 1.75 meters wide, has been laid accross a small creek in a city's park.
The pedestrian bridge was 3D printed out of concrete by global engineering firm Acciona, following techniques of organic and biomimetic architecture, which seek to make the constructed elements resemble the forms of nature, promoting a saving of resources and Energy.
So far there was no application of this technology in the field of civil engineering, so that its opening represents a "milestone" for the construction sector at an international level, claim the city representatives in a statement.
The structure, twelve meters long and almost two wide, is located in the park of Castilla-La Mancha, where the neighbors will be able to transit its central space. City representatives explained that it is an "innovative" structure and technology "sustainable and versatile", which has not meant any economic cost to the City.
The bridge was designed by Institute of Advanced Architecture of Catalonia (IAAC ) and is composed by eight pieces that were assembled together.
According to the press release, the advantages of large-scale 3D printing in concrete are: Versatility to construct structural elements with total freedom of forms, without need of molds or formwork; Flexibility and adaptability to any form, geometry and architectural design of great resistance; Minimization of the quantity of residues by the recycling of the raw material during the manufacture and; Reduction of resources and energy required for the construction of concrete elements.