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| 1 | Control of ferroelectricity and magnetism in multi-ferroic BiFeO3 by epitaxial strain显示文摘 | D. Sando A. Agbelele C. Daumont D. Rahmedov W. Ren I. C. Infante S. Lisenkov S. Prosandeev S. Fusil E. Jacquet C. Carrétéro S. Petit M. Cazayous J. Juraszek J.-M. Le Breton L. Bellaiche B. Dkhil A. Barthélémy M. Bibes | 2014 | Philosophical Transactions of the Royal Society A: Mathematical Physical and Engineering Sciences2014，，2009： | 1 |
| 2 | Study of the Thermal Characteristics of a Geomaterial:Case of SavèGranites in the Republic of Benin显示文摘This work focuses on the valorization of local materials.The rock that is granite,a material used in construction thanks to its mechanical resistance,is the subject of our study.The granite of the commune of Savè,made it possible to appreciate the thermal behavior of this rock studied with a view to its use as a building material.To this end,a thermal diffusivity measurement test was carried out on this material.Thus,we made samples which were then connected to a data acquisition box via thermocouples.A Python script is used to ensure the collection of temperature values over time.From this thermal diffusivity test carried out on the granite taken from the Savèbreasts,we obtained an average diffusivity a=5.84×10^(-6)m^(2)/s.As a result,the thermal effusivity and the heat capacity of the material were determined having respectively the value 1,351.09 J/(K·m^(2)·s^(1/2))and 547,945.21 J/(m^(3)·K).These different results highlight a thermal characterization of Savègranites as a relevant material in the design and construction of an energy-efficient eco-housing. | Koffi Judicaël Agbelele Daniel Yemalin Agossou Kocouvi Agapi Houanou Bachir Kolade Adelakoun Ambelohoun Sakala Complice Decoursel Curtis Gérard Gbaguidi Aïsse | 2023 | Journal of Environmental Science and Engineering(A)2023，12，4： | 0 |
| 3 | Identification of Empirical Models for the Prediction of the Plasticity Index:Case of the KhôDepression in South Benin显示文摘The plasticity index is an essential design parameter used as a standard input in fine-grained soil investigation programs.It is used to estimate the plasticity and physical properties of soils,and indirectly their strength properties.This index is determined from the Atterberg limit tests,starting from the limits of liquidity and plasticity.However,the realization of the test considered as basic and simple,is not so much.The effects of the operator,the calibration of the apparatus and the environmental aspects during the tests affect the reliability and accuracy of the results.In this paper,the objective is to overcome these difficulties by evaluating the plasticity index of clay and loam soils by considering only the values of the liquid limit.Soil samples were collected from 0 to 5 m depth in the localities of the Khôdepression in Benin.On these samples,Atterberg limit tests were performed in the laboratory.Using MATLAB’s Curve Fitting Toolbox,linear,exponential and power prediction models were analyzed.The results showed that there is indeed a good correlation between the plasticity index and the liquid limit of the soils.For the linear model,it was observed R2 equal to 0.9891.For the exponential model,R2 is 0.98871 and for the power model 0.9802.A study of the residual plot validated the models found,as well as comparisons with well-known literature sources.Through the equations obtained,it is now possible to study the plasticity of soils in the Khôdepression only from the liquid limit,without determining the plasticity limit. | Koffi Judicaël AGBELELE Yvette Sèdjro TANKPINOU KIKI Abalo P’KLA Gbênihon Céleste-Amour KENOUKON | 2022 | 材料科学与工程(中英文A版)2022，12，2： | 0 |
| 4 | Evaluation and Mastery of the Risks of Swelling of Clayey Soils of the Kho Depression in the South-Benin显示文摘 | Gérard L. Gbaguidi Aisse Ernesto C. Houehanou Yvette Tankpinou Kiki Koffi J. Agbelele Abalo P. Kla Gérard Degan | 2018 | 材料科学与工程(中英文A版)2018，8，4： | 0 |
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