To provide a mounting structure of a cheap multi-layer rubber base isolation bearing device with a simple structure while the multi-layer rubber base isolation bearing device can be also used for a structure having large aspect ratio.
The multi-layered rubber base isolation bearing device 1 is so constituted that it is mounted to a foundation 2 and, at the same time, a mounting plate 8 fixed to the lower end face 5 thereof through a bolt 7 at the inside of a circular outer edge 6 of the lower end face 5 is immovably interlocked to a mounting surface 9 of the foundation 2 through anchor bolts 10 fixed to the foundation 2 for the horizontal direction H in the outside rather than the outer edge 6 in the outside from the fixed section to the lower end face 5. Each through-hole 11 of the mounting plate 8 through which each anchor bolt 10 passes is a slot extended in the radial direction R so that each interlocking section with the mounting surface of the foundation 2 of the mounting plate 8 by the anchor bolt 10 can be moved in the radial direction R with the central part of the lower end face 5 as the center.
COPYRIGHT: (C)2005,JPO&NCIPI
Mochimaru Masami
Takahito Nakamura
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