Columnar elevation supporting device used for dismantling construction of construction or construction work

摘要

PROBLEM TO BE SOLVED: To provide a column body lift support device which can make compatible the shortening of a term of work of the demolition (or construction) work of a structure and the improvement of earthquake resistance during the demolition (or construction) work, and to provide a demolition (or construction) method using the column body lift support device.SOLUTION: A structure is demolished (or constructed) using the column body lift support device that includes: a fastening holding member 2 which adheres to a side face of a column body 4, and fastens the column body 4; a suspension beam 5 which holds the fastening holding member 2 so as to be freely liftable; a hydraulic jack 8 which lifts the suspension beam 5 together with the fastening holding member 2; a guide column 9 which is arranged outside a corner portion of the fastening holding member 2 and vertically guides the lift of the suspension beam; and an under-beam guide 10 which is fixed to the column body 4 at an upper part of the fastening holding member 2 and whose corner portion abuts on the inside of the guide column 9.