TEMPORARY STAIRCASE WITH LANDING AND MULTI-STAGE CONSTRUCTION METHOD OF TEMPORARY STAIRCASE WITH LANDING IN SHAFT

摘要

PURPOSE: To provide a temporary staircase with a landing which can be temporarily installed in one span between posts erected and a multi-stage construction method of a temporary staircase in a shaft. ;CONSTITUTION: A scaffolding board 30 having a landing floor space 40 and an open ceiling space 50, which adjoin each other, is horizontally spanned to a beam material 20 which connects posts 10 erected at four corners. The position of the landing floor space 40 installed to one end of the scaffolding board 30 is arranged to be different from each other on an upper floor and a lower floor. The upper end of a staircase 60 is connected to the open ceiling area 50 of the landing floor space 40 of the scaffolding board 30 installed to an upper stage while the lower end of the staircase 60 is loaded on the landing floor space of the scaffolding board 30 installed to a lower stage or loaded on a ground area so that a temporary staircase A may be installed. The scaffolding board 30 of each stage may be arranged so that they may be placed side by side. In addition, handrails 70 and 64 are installed to at least one surounding area out of the landing floor space 40 and the staircase 60. A reassembled temporary staircase is fixed in a shaft and an additional temporary staircase is added thereto by excavating an underground area of the shaft. The temporary staircase is constructed as described above.;COPYRIGHT: (C)1996,JPO