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Pro123-2

CONCRETE WITH IMPROVED BIO-RECEPTIVITY



Author(s): V. Morin, F. De Larrard, I. Dubois-Brugger, M. Horgnies, S. Duchand, S. Vacher, F. Martarèche, A. Musnier and M. Lapinski
Paper category: Proceedings
Book title: Proceedings of the Final Conference of RILEM 253-MCI Microorganisms-Cementitious Materials Interactions Volume II
Editor(s): Alexandra Bertron and Henk Jonkers
ISBN: 978-2-35158-207-7 (Set)
ISBN: 978-2-35158-210-7 (Volume 2)
e-ISBN: 978-2-35158-206-0
Publisher: RILEM Publications SARL
Publication year: 2018
Pages: 291-300
Total Pages: 308
Language : English


Abstract: Due to rapid growth of world population and especially along the coastal area, marine ecological engineering is identified as a new business segment. This new application requires the development of innovative concretes that, in addition to their usual property, provide improved bio-receptivity. Our objective is to get functionalized concrete surface that can promote fast micro-algae colonization and thus will favor biodiversity.
A specific laboratory test has been developed to screen and evaluate the bio-receptivity of several concrete mix-designs and surface textures. This laboratory test shows that the cement nature and the surface texture are the two key-parameters that influence the early-age step of micro-algae colonization on the marine/concrete interface. One of these new types of concrete with improved bio-receptivity has been produced to design artificial reefs as part of REXCOR project, which aims at restoring the marine ecosystem at the Cortiou calanque (creek) located close to Marseille.


Online publication : 2018
Publication type : full_text
Public price (Euros) : 0.00


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