STAIRCASE STRUCTURE OF UNIT BUILDING, BUILDING UNIT AND UNIT BUILDING

摘要

PROBLEM TO BE SOLVED: To provide a staircase structure of a unit building in which a landing of staircase with sufficient structural strength can be simply formed at an intermediate part in the longitudinal direction of a building unit on an upper floor.;SOLUTION: A first frame bar 5 is installed projecting from the inside surface of a floor girder 3A on the long side of a building unit on the second floor in the axial direction of a floor girder 3B on the short side, and a second frame bar 6 is installed projecting from the side face on the side of an open ceiling space 2 of a floor beam 4 located to face the open ceiling space 2 in the axial direction of the floor girder 3A on the long side. The tip of the first frame bar 5 and the tip of the second frame bar 6 are connected so that a floor frame of a landing 7 is formed, and side faces of the floor beam 4 in which the second frame bar 6 is installed and adjacent floor beam 4 are connected with a reinforcement beam 8 as a reinforcement member.;COPYRIGHT: (C)2013,JPO&INPIT