BASE ISOLATION CONSTRUCTION METHOD FOR EXISTING BUILDING

PROBLEM TO BE SOLVED: To easily and inexpensively provide base isolation to an existing building. SOLUTION: In positions of top faces of existing footing beams 3, the footing beams and an upper structure which is a building frame of a ground floor are separated. A flat plate 21 which is a floor stru...

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Bibliographische Detailangaben
Hauptverfasser:	ASAMI TATSURO, YOSHIDA MAMORU, SADAHIRO OSAMU, HIROSE KEIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CEILINGS EMBANKMENTS EXCAVATIONS FENCING FIXED CONSTRUCTIONS FLOORS FORMS FOUNDATIONS GENERAL BUILDING CONSTRUCTIONS HANDLING BUILDING MATERIALS ON THE SITE HYDRAULIC ENGINEERING INSULATION OR OTHER PROTECTION OF BUILDINGS MASTS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS ROOFS SCAFFOLDING SHUTTERING SOIL SHIFTING SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL UNDERGROUND OR UNDERWATER STRUCTURES WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To easily and inexpensively provide base isolation to an existing building. SOLUTION: In positions of top faces of existing footing beams 3, the footing beams and an upper structure which is a building frame of a ground floor are separated. A flat plate 21 which is a floor structure of a bottom floor is newly provided in a lowermost part of the upper structure. A base isolation device 20 is interposed between the upper structure and the existing footing beams. A flat slab or a void slab can be adopted as the floor structure, and prestress can be introduced also. A whole of the upper structure is raised higher than before modification to secure a floor height of the lowest floor. COPYRIGHT: (C)2004,JPO