Mud-Based Construction Material: Promising Properties of French Gravel Wash Mud Mixed with Byproducts, Seashells and Fly Ash as a Binder
| Autor: | Malo Le Guern, Manal Bouasria, Mohammed-Hichem Benzaama, Jean-François Bardeau, Stéphanie Gascoin, Yassine El Mendili, Fouzia Khadraoui, Daniel Chateigner |
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| Přispěvatelé: | École Supérieure d'ingénieurs des Travaux de la Construction (ESITC Caen), Laboratoire de cristallographie et sciences des matériaux (CRISMAT), 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), Institut des Molécules et Matériaux du Mans (IMMM), Le Mans Université (UM)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS) |
| Rok vydání: | 2021 |
| Předmět: |
Technology
New materials Tobermorite Article High silica byproducts General Materials Science Porosity Microscopy QC120-168.85 Waste management QH201-278.5 thermal properties Engineering (General). Civil engineering (General) mechanical performance TK1-9971 Descriptive and experimental mechanics Fly ash Pozzolanic reaction Environmental science earth construction Electrical engineering. Electronics. Nuclear engineering [SPI.GCIV.MAT]Engineering Sciences [physics]/Civil Engineering/Matériaux composites et construction TA1-2040 gravel wash mud |
| Zdroj: | Materials Volume 14 Issue 20 Materials, Vol 14, Iss 6216, p 6216 (2021) Materials, 2021, 14 (20), pp.6216. ⟨10.3390/ma14206216⟩ |
| ISSN: | 1996-1944 |
| DOI: | 10.3390/ma14206216 |
| Popis: | International audience; The French gravel industry produces approximatively 6.5 million tons of gravel wash mud each year. This material offers very promising properties which require an in-depth characterization study before its use as a construction material, otherwise it is removed from value cycles by disposal in landfills. We examined the suitability of gravel wash mud and seashells, with fly ash as a binder, as an unfired earth construction material. Thermal and mechanical characterizations of the smart mixture composed of gravel wash mud, Crepidula fornicata shells and fly ash are performed. The new specimens exhibit high compressive strengths compared to usual earth construction materials, which appears as a good opportunity for a reduction in the thickness of walls. The use of fly ash and Crepidula shells in addition to gravel wash mud provides high silica and calcium contents, which both react with clay, leading to the formation of tobermorite and Al-tobermorite as a result of a pozzolanic reaction. Considering the reduction in porosity and improvements in strength, these new materials are good candidates to contribute significantly to the Sustainable Development Goals (SDGs) and reduce carbon emissions. |
| Databáze: | OpenAIRE |
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