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On the Properties Evolution of Eco-Material Dedicated to Manufacturing Artificial Reef via 3D Printing: Long-Term Interactions of CementitiousMaterials in theMarine Environment

Abstract: This paper deals with the evolution monitoring of biomass colonization and mechanical properties of 3D printed eco-materials/mortars immersed in the sea. Measurements of tensile strength, compressive strength, and Young?s modulus were determined on samples deployed along the Atlantic coast of Europe, in France, United Kingdom, Spain, and Portugal. The samples were manufactured using 3D printing, where six mix designs with a low environmental impact binder were used. These mortars were based on geopolymer and cementitious binders (Cement CEM III), in which sand is replaced by three types of recycled sand, including glass, seashell, and limestone by 30%, 50%, and 100% respectively. The colonization of concrete samples by micro/macro-organisms and their durability were also evaluated after 1, 3, 6, 12, and 24 months of immersion. The results showed that both biomass colonization and mechanical properties were better with CEM III compared to geopolymer-based compositions. Therefore, the mixed design optimized according to mechanical properties show that the use of CEM III should be preferred over these geopolymer binders in 3D printed concrete for artificial reef applications.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Sustainability, 2022, 14, 9353

Editorial: MDPI

 Fecha de publicación: 30/07/2022

Nº de páginas: 14

Tipo de publicación: Artículo de Revista

 DOI: 10.3390/su14159353

ISSN: 2071-1050

Autores/as

BOUKHELF, FOUAD

SEBAIBI, NASSIM

BOUTOUIL, MOHAMED

CARLOS REAL GUTIERREZ

HERBERT, ROGER J. H.

GREENHILL, SAM

REIS, BIANCA

FRANCO, JOÃO N.

BORGES, MARIA TERESA

SOUSA-PINTO, ISABEL

VAN DER LINDEN, PIETER

BABÉ GÓMEZ, OSCAR

SAINZ MEYER, HUGO

ALMADA, EMANUEL

STAFFORD, RICK

DANET, VALENTIN

LOBO ARTEAGA, JORGE

TUATY GUERRA, MIRIAM

HALL, ALICE E.