| 摘要 |
PURPOSE: An installation method for stairs is provided to construct an inner frame of a staircase wall easily and to arrange steel-frame stairs on the adjacent site to a staircase wall. CONSTITUTION: The installation method for stairs comprises the steps of installing steel-frame stairs(10A,10B) among metallic materials of a floor stair landing of a pre-installation layer, metallic materials(26) of a flooring frame(31) of an intermediate stair landing to be installed, and metallic materials(26) of a flooring frame of a floor stair landing respectively to have a space(42) of the width(D), installing an inner frame(46) for a staircase wall(44) in a space(42), then placing concrete, forming a space(42) of the width(D) by removing unnecessary temporary installation members, filling up a space(42) by moving steel-frame stairs(10A,10B) outward, then arranging to an inner side(44a) of the staircase wall(44), and fixing steel-frame stairs(10A,10B) to metallic materials(26).
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