| 摘要 |
PURPOSE:To execute construction work of a stair simply and speedily without requiring any skill in a panel method. CONSTITUTION:After a wall erection progress to erect a wall to be brought into contact with a stair body 18, a stair movement progress of the prefabricated stair body 18 is executed. An installation progress to fix and install the stair body 18 to the wall is executed in an appropriate state of contact. The stair movement propress is so executed that a specific position of a tead located in the approximate center of gravity of the stair body is suspended with a rope 19 to move. By the suspending operation, a worker can easily incline the stair body 18 and can rotate it around the rope 19. According to the constitution, an appropriate angle of inclination and an appropriate angle of contact with the wall can be easily obtained, and a stair section can be constructed more easily. |
