SEISMIC ISOLATION STRUCTURE

• Main Authors: SASAKI TOMOHIRO, AOYAMA YUYA, YUKAWA MASAKI
• Format: Patent
• Language: English; Japanese
• Published: 22.02.2023
• 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 seismic isolation structure capable of lengthening the natural period without lengthening tension members.SOLUTION: A seismic isolation structure 1 provided between a lower structure 2 and an upper structure 3 includes a fixed structure 10 fixed to one of the lower structure 2 and the upper structure 3, a movable structure 20 horizontally movably supported by the other of the lower structure 2 and the upper structure 3, a tension member 30 connected to a fixed structure end 10b of the fixed structure 10 and to a movable structure end 20c of the movable structure 20, and a tilting member 40 that is tiltably connected to each of the lower structure 2, the upper structure 3, and the movable structure 20.SELECTED DRAWING: Figure 1 【課題】引張材を長くすることなく固有周期を長周期化することが可能な免震構造を提供することである。【解決手段】下部構造物２と上部構造物３との間に設けられる免震構造１であって、下部構造物２及び上部構造物３の何れか一方に固定された固定構造１０と、下部構造物２及び上部構造物３の何れか他方に水平方向に移動自在に支持された可動構造２０と、固定構造１０の固定構造端部１０ｂと、可動構造２０の可動構造端部２０ｃと、に連結された引張材３０と、下部構造物２、上部構造物３及び可動構造２０のそれぞれに傾動自在に連結された傾動材４０と、を有することを特徴とする免震構造１。【選択図】図１