| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for improving the durability of a building to be able to improve the durability of the building and an extreme infrared radiation regenerative floor heating system having improved heating efficiency, and to improve the property of soil in a building site, namely soil. SOLUTION: The whole under floor face of an upper face of buried earth and sand 34 is provided with a filling layer 34 containing seramics-carbon mixture, and the upper face of the filling layer 34 is provided with a crushed stone layer 36 containg the seramics-carbon mixture, and the upper face of the crashed stone layer 36 is provided with a concrete layer 38 containing the seramics- carbon mixture. A motar layer 42 containing the seramics-carbon mixture is formed on the upper face of the layer 38 with a heat insulating moisture proof layer 40 composed of extruded foam styrene and a moisture proof film inserted between them. A hot water pipe 46 and an electric heater are buried in the mortar layer 42, and a finishing material 44 is spread on the surface of the mortar layer 42. An infrared radiation is radiated from the seramics-carbon mixture, and heating effect can be improved by reserved heat.
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