Hygric properties and thermal conductivity of a new insulation material for building based on date palm concrete

被引：86
|
作者：
Haba, Bourhaneddine [1 ]
Agoudjil, Boudjemaa [1 ]
Boudenne, Abderrahim [2 ]
Benzarti, Karim [3 ]
机构：
[1] Batna 1 Univ, LPEA Lab, Batna 05000, Algeria
[2] UPEC, CERTES, 61 Ave Gen Gaulle, F-94010 Creteil, France
[3] Univ Paris Est, Lab Navier, UMR 8205, IFSTTAR, F-77447 Marne La Vallee, France
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2017年 / 154卷
关键词：
Hygric properties; Biocomposite building material; Date palm concrete; Thermal conductivity; LIME-HEMP CONCRETE; MOISTURE-CONTENT; FIBERS; MORTAR; BIOCOMPOSITE; PERFORMANCE; FORMULATION; COMPOSITE; POROSITY; CEMENT;
D O I：
10.1016/j.conbuildmat.2017.08.025
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Experimental investigations of hygric and thermal conductivity properties of a new biocomposite material dedicated for construction which contains cement, sand and water and reinforced with 15 wt% of date palm fibers were carried out. The investigations were based on the measurement of water vapor permeability, of sorption isotherm, of moisture diffusivity and thermal conductivity. The results reveal that the presence of date palm fibers improves the performance and the efficiency of the composite material: lowering of water vapor diffusion resistance, enhancement of moisture transfer. The results were compared to other kind of biocomposite materials used for construction. Finally, we have shown the effect of temperature on thermal conductivity for both moist and dry states. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：963 / 971
页数：9
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