| 摘要 |
PROBLEM TO BE SOLVED: To provide a base plate assembly for a base isolation device which comprises a sufficient strength, can be accurately and easily constructed for the installation of the base isolation device, and joins the base isolation device to a concrete structure.SOLUTION: The base plate assembly 10 for a base isolation device used for joining the base isolation device 12 to the concrete structure 14 includes a steel base plate 28 and a plurality of long nuts 30 which are implanted in the first surface of the base plate 28 and which allow fixing bolts 32 for fixing the base isolation device 12 to the base plate assembly 10 to be screwed thereto from the second surface side of the base plate 10. On the long nut 30, a plurality of reinforcements or steel bars 34 are radially arranged and mounted on the outer peripheral surface. |
