| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a structure of a floor skeleton suitable for heat reserve or a radiator so as to obtain comfortable floor heating, to effectively use the interior of the floor skeleton for installing and replacing piping or wiring, and to easily form the filling space or an air passage for comfortable heated air. SOLUTION: A slab of a building skeleton 1 is a reinforced concrete double slab divided into a lower floor system 3 and an upper floor system 4 to secure a hollow space 2, the hollow space 2 is filled with heated air, and the upper floor system 4 is a pre-cast concrete floor system, and freely opened and closed to the hollow space 2.</p> |
