VIBRATION ISOLATION DAMPER AND VIBRATION ISOLATION STRUCTURE OF BUILDING FOUNDATION USING THE SAME

• Main Author: TAKADA MASATOSHI
• Format: Patent
• Language: English; Japanese
• Published: 01.10.2020
• Subjects: BLASTING; BUILDING; BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; ENGINEERING ELEMENTS AND UNITS; FENCING; FIXED CONSTRUCTIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MASTS; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; SHOCK-ABSORBERS; SPRINGS; SWIMMING OR SPLASH BATHS OR POOLS; TENTS OR CANOPIES, IN GENERAL; THERMAL INSULATION IN GENERAL; WEAPONS

To provide a vibration isolation damper capable of imparting a vibration isolation function to a foundation rising part itself of a building foundation.SOLUTION: A vibration isolation damper 1 comprises a concave curved part 2a, and straight parts 2b, 2c connected to the concave curved part 2a via a reverse curved part 2d, wherein the straight sections 2b, 2c are composed of a plurality of bending rods 2 made of round steel spring each having a male screw 4 for screwing a nut to the outer periphery thereof, and a restraint ring 3 loosely fitted in the vicinity of the middle of the concave curved part 2a of the plurality of bending rods, and then the vibration isolation damper is interposed between a steel bundle buried in concrete in a foundation rising part of a foundation of a building and a base provided on the foundation rising part.SELECTED DRAWING: Figure 1 【課題】建物の基礎の、基礎立ち上がり部自体に免振機能を持たせることができる免振用ダンパを提供することを課題としている。【解決手段】免振用ダンパ１を、凹形湾曲部２ａと逆曲げ部２ｄを介して凹形湾曲部２ａに連なったストレート部２ｂ，２ｃを有し、前記ストレート部２ｂ，２ｃは、外周にナットを螺合させる雄ねじ４を有している複数本の丸鋼のばね鋼製の屈曲ロッド２と、その複数本の屈曲ロッドの凹形湾曲部２ａの中間付近に遊嵌された拘束リング３とで構成し、建物の基礎の基礎立ち上がり部のコンクリート中に埋設される鋼製束と前記基礎立ち上がり部上に設けられる土台との間に介在するようにした。【選択図】図１