| 摘要 |
The present invention relates to a jack-up device for a roof structure including a lifting unit. The jack-up device for the roof structure comprises: a guide rail installed in the ground under the roof structure of a building; and a lifting unit installed to move along a guide rail and formed in order for a vertical length to be controlled, wherein the lifting unit jacks up the roof structure in accordance to an increase of a length while being connected to a lower surface of the roof structure. A jack-up method for the roof structure using the jack-up device comprises: a step of installing a guide rail in the ground under the roof structure of the building; a step of installing the lifting unit in the guide rail wherein the lifting unit is formed in order for the vertical length to be controlled, and moves along the guide rail; a step of transferring the lifting unit to a standard position; a step of supporting the lower surface of the roof structure by the lifting unit; a step of dismantling a connection unit between the roof structure and a pillar; a step of jacking up the roof structure by increasing the length of the lifting unit; a step of extending a height of the pillar; a step of connecting the connection unit of the roof structure and the extended pillar; and a step of restoring the lifting unit. |
