As the constructive manner of the building constructive device null of the building which is used for the same constructive manner

摘要

PURPOSE:To build a building floor under the rooftop floor while raising the roof-top floor by assembling it on the ground. CONSTITUTION:The rooftop floor 1 except a core section of a building is assembled on the ground, and the first temporary column 6 and the second temporary column passed through the rooftop floor and capable of rising and falling separately with rising and falling devices 8 and 10 are arranged to the rooftop floor 1. The rising and falling device 10 is operated to raise the rooftop floor 1 to a specific height while bearing the lower end of the second temporary column 9 on a permanent beam 5, and a building floor is fixed to the position with an anchoring device 7 to build it under the rooftop floor 1. After that, the second temporary column 9 is pulled up to build a wing 3b of the building while bearing the lower end of the first temporary column 6 on a permanent column 4. The lower end of the second temporary column 9 is borne on permanent beam 5 again to repeat progress of work to raise the rooftop floor. Members can be carried with a ceiling traveling crane 13 provided with a shuttle garter loaded under a beam of the rooftop floor 1 in the case of building.