Hygrothermal behaviour of hemp concrete: Experimental evidences and modelling

Antonin  Fabbri; Pierre Antoine Chabriac; Dac Thuong Ngo; Frederic Sallet; Emmanuel Gourdon; Henry Wong; Jean Claude Morel

Hygrothermal behaviour of hemp concrete: Experimental evidences and modelling

Antonin Fabbri, Pierre Antoine Chabriac, Dac Thuong Ngo, Frederic Sallet, Emmanuel Gourdon, Henry Wong, Jean Claude Morel

Ecole Nationale des Travaux Publics de l'Etat

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding › peer-review

1 Citation (Scopus)

Abstract

This paper presents experimental hygrothermal data of an hemp concrete wall of dimensions 0.9×0.9×0.1 [m³]. The wall is instrumented with sensors to monitor temperature, relative humidity at the middle of the wall and incoming heat flows at the external surfaces. It is placed in a double climatic chamber that allows the regulation of temperature and relative humidity on each side of the wall, independently to each other. The experimental results leads to a clear identification of the coupling between the variation of the relative humidity inside the wall and its temperature. The validity of the commonly adopted assumptions for hygrothermal simulation are finally analyzed in the light of these experimental results. The material parameters used for the simulations are measured separately on decimetric samples of the same hemp concrete, which comes from the same mix and with the same apparent density.

Original language	English
Title of host publication	Proceedings of the 6th International Conference on Coupled Problems in Science and Engineering
Subtitle of host publication	COUPLED PROBLEMS 2015
Publisher	International Center for Numerical Methods in Engineering
Pages	59-70
Number of pages	12
ISBN (Electronic)	9788494392832
Publication status	Published - 1 Apr 2015
Externally published	Yes
Event	6th International Conference on Computational Methods for Coupled Problems in Science and Engineering, COUPLED PROBLEMS 2015 - Venice, Italy Duration: 18 May 2015 → 20 May 2015

Conference

Conference	6th International Conference on Computational Methods for Coupled Problems in Science and Engineering, COUPLED PROBLEMS 2015
Country/Territory	Italy
City	Venice
Period	18/05/15 → 20/05/15

Keywords

Applications
Computing Methods
Coupled Problems
Instructions
Multiphysics Problems

ASJC Scopus subject areas

Computational Mathematics
Engineering(all)
Applied Mathematics

Cite this

Fabbri, A., Chabriac, P. A., Ngo, D. T., Sallet, F., Gourdon, E., Wong, H., & Morel, J. C. (2015). Hygrothermal behaviour of hemp concrete: Experimental evidences and modelling. In Proceedings of the 6th International Conference on Coupled Problems in Science and Engineering: COUPLED PROBLEMS 2015 (pp. 59-70). International Center for Numerical Methods in Engineering.

Hygrothermal behaviour of hemp concrete: Experimental evidences and modelling. / Fabbri, Antonin ; Chabriac, Pierre Antoine; Ngo, Dac Thuong et al.
Proceedings of the 6th International Conference on Coupled Problems in Science and Engineering: COUPLED PROBLEMS 2015. International Center for Numerical Methods in Engineering, 2015. p. 59-70.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding › peer-review

Fabbri, A, Chabriac, PA, Ngo, DT, Sallet, F, Gourdon, E, Wong, H & Morel, JC 2015, Hygrothermal behaviour of hemp concrete: Experimental evidences and modelling. in Proceedings of the 6th International Conference on Coupled Problems in Science and Engineering: COUPLED PROBLEMS 2015. International Center for Numerical Methods in Engineering, pp. 59-70, 6th International Conference on Computational Methods for Coupled Problems in Science and Engineering, COUPLED PROBLEMS 2015, Venice, Italy, 18/05/15.

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title = "Hygrothermal behaviour of hemp concrete: Experimental evidences and modelling",

abstract = "This paper presents experimental hygrothermal data of an hemp concrete wall of dimensions 0.9×0.9×0.1 [m3]. The wall is instrumented with sensors to monitor temperature, relative humidity at the middle of the wall and incoming heat flows at the external surfaces. It is placed in a double climatic chamber that allows the regulation of temperature and relative humidity on each side of the wall, independently to each other. The experimental results leads to a clear identification of the coupling between the variation of the relative humidity inside the wall and its temperature. The validity of the commonly adopted assumptions for hygrothermal simulation are finally analyzed in the light of these experimental results. The material parameters used for the simulations are measured separately on decimetric samples of the same hemp concrete, which comes from the same mix and with the same apparent density.",

keywords = "Applications, Computing Methods, Coupled Problems, Instructions, Multiphysics Problems",

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AU - Ngo, Dac Thuong

AU - Sallet, Frederic

AU - Gourdon, Emmanuel

AU - Wong, Henry

AU - Morel, Jean Claude

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N2 - This paper presents experimental hygrothermal data of an hemp concrete wall of dimensions 0.9×0.9×0.1 [m3]. The wall is instrumented with sensors to monitor temperature, relative humidity at the middle of the wall and incoming heat flows at the external surfaces. It is placed in a double climatic chamber that allows the regulation of temperature and relative humidity on each side of the wall, independently to each other. The experimental results leads to a clear identification of the coupling between the variation of the relative humidity inside the wall and its temperature. The validity of the commonly adopted assumptions for hygrothermal simulation are finally analyzed in the light of these experimental results. The material parameters used for the simulations are measured separately on decimetric samples of the same hemp concrete, which comes from the same mix and with the same apparent density.

AB - This paper presents experimental hygrothermal data of an hemp concrete wall of dimensions 0.9×0.9×0.1 [m3]. The wall is instrumented with sensors to monitor temperature, relative humidity at the middle of the wall and incoming heat flows at the external surfaces. It is placed in a double climatic chamber that allows the regulation of temperature and relative humidity on each side of the wall, independently to each other. The experimental results leads to a clear identification of the coupling between the variation of the relative humidity inside the wall and its temperature. The validity of the commonly adopted assumptions for hygrothermal simulation are finally analyzed in the light of these experimental results. The material parameters used for the simulations are measured separately on decimetric samples of the same hemp concrete, which comes from the same mix and with the same apparent density.

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KW - Computing Methods

KW - Coupled Problems

KW - Instructions

KW - Multiphysics Problems

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ER -

Hygrothermal behaviour of hemp concrete: Experimental evidences and modelling

Abstract

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Keywords

ASJC Scopus subject areas

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