| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a floor structure for a staircase that can reduce a floor face range on the going-up opening side of the staircase. <P>SOLUTION: The floor structure 1 for the staircase is located on the going-up opening 2a side of the staircase 2 installed in a building unit (a building) A2 to support a pair of staircase girders 3, 3 of the staircase 2. The floor structure 1 has floor frames 10, 10 extended in a cantilever state from a floor beam (a structure) 4 constituting the building unit A2, and a floor board member 20 located on the floor frames 10, 10. The lower ends 3a, 3a of the pair of staircase girders 3, 3 penetrate the floor board member 20 and are fixed to the floor frames 10, 10. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
