| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a heat insulating dirt floor that enables a floor on a first story to be constructed by a sleeper construction method in such a manner as to prevent frost heaving of the dirt floor without adopting a so-called heat insulating foundation structure, and a construction method for the heat insulating dirt floor.SOLUTION: A heat insulating dirt floor 1 includes a dirt floor surface heat insulation material 3 that is provided on the downside of slab concrete 2, and a foundation surface heat insulation material 5 that is provided on the downside of the slab concrete 2 and on the inner surface side of a rising part 4a of the whole or a part of a foundation 4 surrounding the slab concrete 2. The dirt floor surface heat insulation material 3 is provided on dirt floor earth 6. Additionally, the dirt floor surface heat insulation material 3 is made of a synthetic resin-foamed board.</p> |
