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PROCEEDINGS OF JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
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Takayuki SHIMAZU
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SEISMIC DESIGN OF SECONDARY STRUCTURES AND THEIR DYNAMIC EFFECTS ON THE BUILDING
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This paper presents the experimental studies carried out in order to establish the method of seismic design on wall-type structures recently developed for safe rooms or stack rooms used in buildings as well as dynamic analysis made to determine the seismic design load for this secondary structures and their effects on the building. This wall-type structure consists of three elements; four side walls and top slab, both being multi-panels connected with each other by means of welding or bolting and steel beams. First, horizontal load tests conducted are described on the various kinds of walls and second, on the wall-and-top-slab assemblages (space structure), with both being focused on the discussions of horizontal resistance capacities. Third, case study on seismic design of a actual safe room are developed with dynamic analysis made, based on multi-degree-freedom systems.
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