STRUCTURE LIFTING METHOD BY FOUNDATION STRENGTHENING

A structure lifting method by foundation strengthening is provided to lift a structure by employing a reaction force support body, a forcedly inserted body, and a pressing unit after forming a reinforcing foundation. A structure lifting method by foundation strengthening includes the steps of: digging the ground around a foundation of a structure(110); installing anchor bars(121) including reinforcing bars to the lateral sides of the foundation; forming a reinforcing foundation(120) by installing hollow pipes normal to the foundation, assembling the reinforcing bar to the anchor bar, assembling a lower reaction force unit(211) including a reinforcing bar around the hollow pipe, and pouring concrete to expose the top of the lower reaction force unit; installing a reaction force support body by connecting the lower end portion of an upper reaction force unit(212) to the upper end portion of the lower reaction force unit, and fixing the upper end portion of the upper reaction force unit to an upper support body; setting a forcedly inserted body(300) in an insertion hole formed by removing the hollow pipe, installing a pressing unit between the upper part of the forcedly inserted body and the upper support body to press the forcedly inserted body to the bottom of the structure; and lifting the structure by installing a lifting unit at the top of the forcedly inserted body.