Thermo-Physical, Mechanical and Hygro-Thermal Properties of Newly Produced Aerated Concrete

Ouédraogo, Adelaïde Lareba; Messan, Adamah; Malbila, Etienne; Ouédraogo, Emmanuel; Bathiébo, Dieudonné Joseph; Kieno, Florent P.; Blanchart, Philippe

doi:10.52687/2348-8956/823

Cited by 3 publications

(6 citation statements)

References 9 publications

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“…For the formulation used, the density of each sample is 600, 650, 730, 830 and 930 kg/m 3 having respectively the ratio of foam to cement (F/C) 0.048, 0.0432, 0.036, 0.03 and 0.024. The composition of foamed concrete such as cement on cement (C/C = 1), sand on cement (S/C = 0.4) and water on cement (W/C = 0.6) [13].…”

Section: Preparation Of Foamed Concretementioning

confidence: 99%

“…Table 2 and Table 3 [13] show us the values obtained for the compressive strength World Journal of Engineering and Technology and the thermal conductivity as a function of the density of the foamed concrete.…”

Section: Compressive Strength and Thermal Conductivity Valuesmentioning

confidence: 99%

“…The methodology of making this material has been described for further understanding. World Journal of Engineering and Technology We used the results of the thermal and mechanical properties of foam concrete by Adelaide Lareba OUEDRAOGO et al which allowed us to make the comparison [13]. The interest of this study is to verify and know the materials that have good thermo-mechanical properties in an optimal way for users in order to minimize the excessive use of appliances (air conditioners, fans, etc.)…”

Section: Introductionmentioning

confidence: 99%

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Comparative Study of the Thermal and Mechanical Properties of Foamed Concrete with Local Materials

Ouédraogo¹,

Kabré²,

Malbila³

et al. 2022

WJET

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Living in a habitat with comfort is requested by all. Cinder block bricks have poor thermal properties, leading people to use fan heaters and air conditioners to regain comfort. To overcome this problem of thermal discomfort in buildings, we used lightweight concrete such as foamed concrete which is a material that has improved thermal properties for thermal comfort. In addition, this material was compared with local materials used for the construction of buildings such as BTC, adobe and BLT mixed with binders. The results showed that foamed concrete is a material that has good thermal and mechanical properties compared to local materials mixed with binders. The foamed concrete having acceptable thermo-mechanical properties was that having a density of 930 kg/m 3 . It has a thermal resistance of 0.4 m 2 •K/W for a thickness of 20 cm. The foamed concrete having acceptable thermo-mechanical properties was that having a density of 930 kg/m 3 . It has a thermal resistance of 0.4 m 2 •K/W for a thickness of 20 cm. For sunshine on a daily cycle equal to 12 hours, the characteristic thickness achieved by this material is 7.29 cm. It also has a shallow depth of heat diffusion having a lower thickness than other materials. This shows that foamed concrete is a promising material for the construction of buildings.

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Section: Preparation Of Foamed Concretementioning

confidence: 99%

Section: Compressive Strength and Thermal Conductivity Valuesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparative Study of the Thermal and Mechanical Properties of Foamed Concrete with Local Materials

Ouédraogo¹,

Kabré²,

Malbila³

et al. 2022

WJET

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“…The construction is located on a surface of 16 m 2 . The slab walls and slab roof are built with foamed concrete having the following characteristics: density of 930 kg/m 3 , thermal conductivity of 0.2 W/m.K and Mass heat capacity 1780.09 J/kg.K [18]. The thermomechanical properties of foamed concrete determined experimentally were used as a parameter to simulate our model.…”

Section: Physical Description Of the Habitable Envelopementioning

confidence: 99%

“…It is a lightweight material made from a foaming agent, cement, sand and water [17]. A foamed concrete was recently developed by Professor Blanchard, in Burkina Faso, and measurements of its mechanical and thermal properties have been carried out [18]. The simulation of the average internal temperature of a habitable cell made of foamed concrete as the main construction material of the envelopes, is part of this dynamic.…”

Section: Introductionmentioning

confidence: 99%

Evolution of the Average Temperature of the Interior Atmosphere of a Habitable Cell Made of Foamed Concrete in Burkina Faso

Ouédraogo

Malbila

Dabilgou

et al. 2022

PSIJ

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Aims: The energy domain is responsible for the production of many gaseous, liquid and solid pollutants, strongly contributing to climate change. The provision of bioclimatic habitats to households is therefore necessary since it will contribute to the reduction of energy consumption. This work consists in making a study of the thermal behavior of a habitat designed with foamed concrete (FC) in order to evaluate its thermal performance for the improvement of its thermal comfort and to compare its average internal temperature with those of other materials. Study Design: A calculation model developed under the COMSOL Multiphysics 5.3a software was used to simulate the thermal behavior of a foamed concrete habitat. The meteorological data used are those of Ouagadougou in the month of April (hottest month in Burkina Faso) on April 15, 2019 (with April 15, the hottest day of the year 2019) Methodology: The temperatures of each side of the walls were determined. Moreover, the study of the influence of the thickness of the walls on the average internal temperature made it possible to determine an optimal thickness. Then, the thermal phase shift, the thermal amplitude reduction and the damping factor were carried out. Results: The results obtained in the weather conditions of April in Ouagadougou, lead to an average internal temperature of the building of about 304 K, for a wall thickness of 17.5 cm. There is a thermal phase shift of 8 hours, and a reduction in thermal amplitude of 9°C or a damping factor of 8.6%. The maximum average internal temperature of the foamed concrete was compared with those of the cement block, the CEB, the adobe, the CLB which present respectively 311 K; 309.2K; 309K; 308.5K. Conclusion: A building constructed with foamed concrete has a low average internal temperature compared to cinderblock, CEB, adobe and CLB. Thus, this material makes it possible to provide more thermal comfort and can be used for the construction of habitats with good energy efficiency.

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Identification of urban thermal properties by combining urban microclimate modeling and thermal infrared satellite data

Keravec-Balbot,

Rodler,

Roupioz

et al. 2025

Sustainable Cities and Society

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Thermo-Physical, Mechanical and Hygro-Thermal Properties of Newly Produced Aerated Concrete

Cited by 3 publications

References 9 publications

Comparative Study of the Thermal and Mechanical Properties of Foamed Concrete with Local Materials

Comparative Study of the Thermal and Mechanical Properties of Foamed Concrete with Local Materials

Evolution of the Average Temperature of the Interior Atmosphere of a Habitable Cell Made of Foamed Concrete in Burkina Faso

Identification of urban thermal properties by combining urban microclimate modeling and thermal infrared satellite data

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