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Comparative Analysis of Statistical Thickness Models for the Determination of the External Specific Surface and the Surface of the Micropores of Materials: The Case of a Clay Concrete Stabilized Using Sugar Cane Molasses
Mechanics, Energy and Engineering Laboratory, Higher National Polytechnic School, Marien Ngouabi University, Brazzaville, Republic of the Congo
Mechanics, Energy and Engineering Laboratory, Higher National Polytechnic School, Marien Ngouabi University, Brazzaville, Republic of the Congo
Higher Institute of Architecture, Building Planning and Public Works, Denis SASSOU N’GUESSO University, Kintélé, Republic of the Congo
Mechanics, Energy and Engineering Laboratory, Higher National Polytechnic School, Marien Ngouabi University, Brazzaville, Republic of the Congo
Hydrogen Research Institute, University of Quebec in Trois Rivieres, Quebec, Canada
Mechanics, Energy and Engineering Laboratory, Higher National Polytechnic School, Marien Ngouabi University, Brazzaville, Republic of the Congo
National Institute for Research in Engineering Sciences, Innovation and Technology (INRSIIT), Brazzaville, Republic of the Congo
Superior Normal School (ENS), Marien Ngouabi University, Brazzaville, Republic of the Congo
- 1 Mechanics, Energy and Engineering Laboratory, Higher National Polytechnic School, Marien Ngouabi University, Brazzaville, Republic of the Congo
- 2 Mechanics, Energy and Engineering Laboratory, Higher National Polytechnic School, Marien Ngouabi University, Brazzaville, Republic of the Congo
- 3 Higher Institute of Architecture, Building Planning and Public Works, Denis SASSOU N’GUESSO University, Kintélé, Republic of the Congo
- 4 Mechanics, Energy and Engineering Laboratory, Higher National Polytechnic School, Marien Ngouabi University, Brazzaville, Republic of the Congo
- 5 Hydrogen Research Institute, University of Quebec in Trois Rivieres, Quebec, Canada
- 6 Mechanics, Energy and Engineering Laboratory, Higher National Polytechnic School, Marien Ngouabi University, Brazzaville, Republic of the Congo
- 7 National Institute for Research in Engineering Sciences, Innovation and Technology (INRSIIT), Brazzaville, Republic of the Congo
- 8 Superior Normal School (ENS), Marien Ngouabi University, Brazzaville, Republic of the Congo
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Abstract
In this work, four empirical models of statistical thickness, namely the models of Harkins and Jura, Hasley, Carbon Black and Jaroniec, were compared in order to determine the textural properties (external surface and surface of micropores) of a clay concrete without molasses and clay concretes stabilized with 8%, 12% and 16% molasses. The results obtained show that Hasley’s model can be used to obtain the external surfaces. However, it does not allow the surface of the micropores to be obtained, and is not suitable for the case of simple clay concrete (without molasses) and for clay concretes stabilized with molasses. The Carbon Black, Jaroniec and Harkins and Jura models can be used for clay concrete and stabilized clay concrete. However, the Carbon Black model is the most relevant for clay concrete and the Harkins and Jura model is for molasses-stabilized clay concrete. These last two models augur well for future research.
KeywordsStatistical Thickness ModelExternal Specific SurfaceMicroporous SurfaceClay ConcreteMolasses
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