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基礎［Ｉ］上（図４参照）に設置した２基（複数、最小２基）の（図１）の転動方式免震装置が所定の重垂（重り）Ｗを装備した梁板［ＩＩＩ］で連結されている。又、基礎［Ｉ］上の支承体［ＩＶ］の上に配置され、梁板［ＩＩＩ］の上部に位置する免震台座［Ｖ］の懸垂弾性棒［Ｖ−１］は梁板［ＩＩＩ］の深孔［ＩＩＩ−１］内で滑合しつつ、免震台座［Ｖ］と梁板［ＩＩＩ］が連係して揺れ、重力により元の位置に復元出来、更に基礎［Ｉ］上の中央部で重垂Ｗと接する円弧凸球面状の弾性摩擦制動帯［ＶＩ］をもつ構造を特徴とする転動方式免震システム。 A beam plate [III] in which two (a plurality of, a minimum of two) rolling-type seismic isolation devices installed on the foundation [I] (see FIG. 4) are equipped with a predetermined weight W ]. Further, the suspended elastic rod [V-1] of the base isolation base [V], which is disposed on the support [IV] on the foundation [I] and is located on the upper part of the beam plate [III], is the beam plate [III]. The base-isolated pedestal [V] and the beam plate [III] are swayed together while sliding in the deep hole [III-1], and can be restored to the original position by gravity. Rolling-type seismic isolation system characterized by a structure having an elastic spherical elastic frictional band [VI] in contact with the suspension W at the section.
JP2002073269A2001-10-312002-02-08
Rolling seismic isolation device with inherent trigger function and rolling seismic isolation system using it
Expired - Fee RelatedJP3843354B2
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