Partial substitution of cement by the association of Ferronickel slags and Crepidula fornicata shells
| Autor: | Daniel Chateigner, Laidi Babouri, Yassine El Mendili, Fouzia Khadraoui, Karim Touati, Manal Bouasria, Beate Orberger, Stéphanie Gascoin, Valerie Pralong, Mohammed-Hichem Benzaama |
|---|---|
| Přispěvatelé: | Laboratoire de recherche de l'ESITC, École Supérieure d'ingénieurs des Travaux de la Construction (ESITC Caen), Laboratoire de cristallographie et sciences des matériaux (CRISMAT), École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Institut de Chimie du CNRS (INC), Géosciences Paris Saclay (GEOPS), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), École Normale Supérieure d'Enseignement Technologique de Skikda, Université du 20, Août 1955, Skikda, Normandie Université (NU), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche sur les Matériaux Avancés (IRMA), Normandie Université (NU)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Institut national des sciences appliquées Rouen Normandie (INSA Rouen Normandie), Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Rouen Normandie (UNIROUEN), Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Faculté de Technologie [Skikda], Université 20 Août 1955 Skikda |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Materials science
Scanning electron microscope 0211 other engineering and technologies Ferroalloy [SDU.STU]Sciences of the Universe [physics]/Earth Sciences Mechanical properties 02 engineering and technology Partial substitution law.invention Microstructural Characterization Ferronickel slag law Specific surface area 021105 building & construction Architecture 021108 energy Safety Risk Reliability and Quality Curing (chemistry) ComputingMilieux_MISCELLANEOUS Civil and Structural Engineering Cement Metallurgy Building and Construction [CHIM.MATE]Chemical Sciences/Material chemistry Waste valorization Portland cement Mechanics of Materials [SDU]Sciences of the Universe [physics] Crepidula shells Mortar |
| Zdroj: | Journal of Building Engineering Journal of Building Engineering, Elsevier, 2021, 33, pp.101587 (IF 3,379). ⟨10.1016/j.jobe.2020.101587⟩ Journal of Building Engineering, Elsevier, 2021, 33, pp.101587. ⟨10.1016/j.jobe.2020.101587⟩ Journal of Building Engineering, 2021, 33, pp.101587 (IF 3,379). ⟨10.1016/j.jobe.2020.101587⟩ |
| ISSN: | 2352-7102 |
| DOI: | 10.1016/j.jobe.2020.101587⟩ |
| Popis: | International audience; Environmental impacts of building materials can be achieved by reducing the amount of cement in cementitious composites, specifically when incorporating wastes as partial replacement of Portland cement. In this work we substitute cement by shell by-products and Ferronickel Slags (FNS) while keeping interesting specific properties. FNS associated to Crepidula fornicata shells (CR) are good candidates to replace part of the Portland cement as they have appropriate physicochemical properties, and are available at high abundance.The effect of the association of FNS and CR on the mechanical properties of mortar is investigated. Microstructural characterization of these additives are carried out using Scanning Electron Microscopy, X-Ray diffraction and Raman spectroscopy. Formulated mortars contain different mixes of FNS-CR and Portland cement. Specific surface area, workability and setting times of fresh mortars are studied. The mechanical properties are investigated using 3-point bending and compressive tests for curing periods ranging from 2 to 28 days. In the fresh state, the replacement of cement by up to 20 wt.% of FNS-CR does not significantly affect mortar properties. However, at the hardened state, the setting time is increased using FNS-CR. With up to 20% wt.% of FNS-CR incorporation, the mechanical properties are similar or even slightly larger than that of the control mortar. |
| Databáze: | OpenAIRE |
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