| 摘要 |
PURPOSE:To facilitate construction in a site by constructing a frame of a hollow shape-steel horizontally to up and down connection parts of a stair unit, and fixing a kickplate and a tread separately to the frame. CONSTITUTION:A frame 1 formed in a hollow shape is constructed horizontally to a down step unit B of a connection part of a stair which is made as a unit and is fixed to a bracket C. After that, a kickplate 3 sticking facing members 33 thereon is fixed to the side of the frame 1 and, at the same time, a concrete tread 2 burying surface members 21a and 21b such as a tile, etc., thereinto is fixed to the surface of the frame 1 to form a stair. According to the constitution, site work can be simplified. |
