SEISMIC ISOLATION UPPER FOUNDATION STRUCTURE AND METHOD FOR MANUFACTURING THE SAME, FOOTING STRUCTURE, AND METHOD FOR CONSTRUCTING SEISMIC ISOLATION FOUNDATION

摘要

PROBLEM TO BE SOLVED: To improve earthquake resistance of a footing structure manufactured by using a seismic isolation upper foundation structure.;SOLUTION: A seismic isolation upper foundation structure includes: a base plate having a through hole; a concrete part on the base plate; a base bar embedded in a concrete part; a plurality of bag-shaped nuts arranged on the base plate in alignment with the through hole and exposed from the concrete part; an anchor plate provided at the upper end of each of a plurality of bag-shaped nuts; and a plurality of reinforcing bars whose lower parts are embedded in a concrete part and whose upper parts are exposed from the concrete part.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2020,JPO&INPIT