SETTLEMENT CORRECTION FOUNDATION STRUCTURE OF BUILDING

摘要

PROBLEM TO BE SOLVED: To provide a settlement correction foundation structure of a building in which maintenance management or exchange of an expansion bag body can be easily performed and an entire foundation of a building can be lifted up while being controlled in a well-balanced manner.SOLUTION: A settlement correction foundation structure 10 comprises: a plurality of lift supporting boxes 12 which are disposed along a bottom face of a foundation 11 of a building; and an expansion bag body 19 installed inside of the selected lift supporting box 12. The lift supporting box 12 includes a rectangular hollow cross-sectional shape formed from an upper supporting part 13 and a lower supporting part 14 each having an U-shaped cross-sectional shape, and a top face bearing plate 13a is movable vertically to a bottom face bearing plate 14a. The lift supporting box 12 is communicable with an introduction opening 18 which is opened on a foundation base 20 in an outer peripheral portion, via a communicating path 17 formed by a hollow casing 16 provided along the bottom face of the foundation 11 of the building. The expansion bag body 19 is introduced and installed within the lift supporting box 12 via the introduction opening 18 and the communicating path 17.