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BIORECEPTIVITY OF CEMENTITIOUS MATERIAL IN SEA WATER: DEVELOPMENT OF A LABORATORY PROTOCOL TO CHARACTERIZE COLONIZATION



Author(s): M.-A. Ferrero, M. Boutouil, H. Cuadrado and P. Claquin
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: 301-307
Total Pages: 308
Language : English


Abstract: An experimental module simulating physical, chemical and biological conditions of a marine environment has been created in order to study the behaviour of a cementitious material immersed in seawater. Colonization of materials was evaluated by means of three different tools: image analysis, reflectance and fluorescence. Two types of mortars were studied: standardized mortar and scallop aggregate based mortar. Artificial seawater and Cylindrotheca closterium diatom were used to reproduce the chemical and biological environment of seawater. Results validate the use of the experimental module and show that the presence of calcium carbonate seems to have an effect on the colonization of mortar specimens by diatom C. closterium.


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


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