HEAVY CONSTRUCTION SUPPORTING STRUCTURE FOR LARGE-SIZE VIBRATION CONTROL DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a construction supporting structure capable of easily installing a heavy construction on a roof of an existing building.SOLUTION: A construction supporting structure of this invention supports a vibration control device A above an existing beam 4a installed between a first existing column 2 of an existing building and a second existing column 3 of the existing building. The construction supporting structure 1 includes a first new column 11 extended upward of the existing beam 4a and connected to the first existing column 2, a second new column 12 extended upward of the existing beam 4a and connected to the second existing column 3, and a new beam 13a having one end fixed to an upward extended part of the first new column 11 and the other end fixed to an upward extended part of the second new column 12, and the vibration control device A is fixed on the new beam 13a.