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Abstract: Protection, restoration, and regeneration of aquatic habitats are an increasingly important issue and are requiring intensive research. In the marine environment, artificial reefs may be deployed to help offset habitat loss, increase local biodiversity and stimulate the recovery of ecosystems. This study aimed at the fabrication of artificial reefs by 3D printing. In the framework of the European INTERREG Atlantic Area collaborative project ?3DPARE?, six printed concrete formulations with limited environmental impact, based on geopolymer or cement CEM III binders and recycled sands, were immersed in the Atlantic along British, French, Portuguese and Spanish coasts. The colonisation of the concrete samples by micro- and macroorganisms and their durability were assessed after 1, 3 and 6 months of immersion. Results showed that both parameters were better with CEM III compared to geopolymer-based formulations. Therefore the use of CEM III should be prioritised over these geopolymer binders in 3D printed concrete for artificial reef applications.
Fuente: Construction and Building Materials Volume 272, 22 February 2021, 121649
Editorial: Elsevier Ltd
Fecha de publicación: 01/02/2021
Nº de páginas: 9
Tipo de publicación: Artículo de Revista
Url de la publicación: https://doi.org/10.1016/j.conbuildmat.2020.121649
Consultar en UCrea Leer publicación
ADRIAN ISIDRO YORIS NOBILE
ELENA BLANCO FERNANDEZ
DANIEL CASTRO FRESNO
HALL, ALICE E.
HERBERT, ROGER J.H.
FRANCO, JOÃO N.
BORGES, MARIA TERESA
VAN DER LINDEN, PIETER