| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact, low-cost base isolation support device incorpo rating a sliding support and a horizontal spring suitable for use in a light load structure, etc., constituted of a horizontal sliding support and a horizontal spring capable of making a connecting state between a base and the ground, preventing swaying by a strong wind, etc. SOLUTION: A donut-shape cylindrical sliding plate group 3a is formed by stacking a plurality of steel plate donut-shape sliding plates 2a having hollow parts 1, a columnar central elastic body 5a constituted by forming a rubber body 8a is inserted in a columnar hollow part 4 formed in a central part of the donut-shape cylindrical sliding plate group 3a, base blocks 7 are provided on the sides of both ends 6 of the donut-shape cylindrical sliding plate group 3a and the central elastic body 5a, and only the both end parts 6 of the central elastic body 5a are respectively fastened on the base blocks 7.
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