JIG FOR REPLACING BOTTOM PLATE OF EXISTING TANK, AND METHOD FOR REPLACING BOTTOM PLATE OF EXISTING TANK BY USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a jig for replacing a bottom plate of an existing tank, which enables stable ascent/descent of a drum plate, and a method for replacing the bottom plate of the existing tank by using the same.;SOLUTION: A jig for replacing a bottom plate of an existing tank according to the present invention includes a jack-up jig 1 for jacking up a drum plate 3a. The jack-up jig 1 comprises two posts 5 capable of being erected near an existing tank 3, a reinforcing ring support member 9 that is attached in a vertically movable manner to the two posts 5 and that can support a reinforcing ring 7, and a jack 11 that is arranged between the two posts 5 to jack up the reinforcing ring support member.;COPYRIGHT: (C)2015,JPO&INPIT