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The influence of natural reinforcement fibres on insulation values of earth plaster for straw bale buildings |
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| Authors: | Taha Ashour Hansjörg Wieland Heiko Georg Franz-Josef Bockisch Wei Wu |
| Affiliation: | 1. Agriculture Engineering Department, Faculty of Agriculture, Benha University, Egypt;2. Dipl. Biol. Institute of Production Engineering and Building Research, FAL, Braunschweig, Germany;3. Institute of Organic Farming, von Thünen Institute (VTI), Trenthorst 32, D-23847 Westerau, Germany;4. Institute of Production Engineering and Building Research, FAL, Braunschweig, Germany;5. Institute of Geotechnical Engineering, University of Natural Resources and Applied Life Sciences, Vienna, Austria |
| Abstract: | This work aimed to measure the thermal conductivity of some natural plaster materials that could be used for straw bale buildings. Thermal conductivity is very important to determine the insulation value and other thermal parameters for natural plaster materials. Plaster materials consisted of soil, sand and straw. Straw is used as a reinforcement fibre for plaster. Three types of fibres were used such as wheat straw, barley straw and wood shavings. The results indicated that the thermal conductivity of all materials decreased with increasing straw fibre content and decreased with increasing sand content. The straw fibres have greater effect on the change of thermal conductivity than the effect of sand. The results also revealed that plaster reinforced by barley straw fibres has the highest values of thermal insulation. |
| Keywords: | Thermal conductivity Earth plaster Reinforcement fibres Straw bale buildings |
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