• 제목/요약/키워드: Cruciform bracket typed

검색결과 1건 처리시간 0.017초

용접형과 무용접형 하지철물의 수평변위 추종능력에 관한 연구 (A Study on Horizontal Displacement Following Ability of Welded and Non-welded Building Hardware)

  • 이돈우;곽의신;손수덕;이승재
    • 한국공간구조학회논문집
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    • 제16권4호
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    • pp.75-82
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    • 2016
  • Building hardware joints are welded in most cases, which have risks of fire and explosion. Besides, the secondary damage of the destruction of the welded parts can be caused by the horizontal displacement of the structure due to earthquake or wind load. This paper compared the horizontal displacement following abilities of welded building hardware and non-welded building hardware. To do this, We conducted actual formation shake table test, and checked on the horizontal displacement following ability of structure by comparing their responses to earthquake load. We made the 2m-high framework to examine the responses of the actually constructed building hardwares, and analyzed the displacement responses of the welded-typed, non-welded-typed, and cruciform bracket building hardwares. We conducted the test by increasing acceleration rate until displacement reached 40mm corresponding to allowable relative story displacement II. The result of the test showed that the building hardware using welding work made cracking and breakage on welded connections of welded building hardware, but non-welded building hardware with no use of welding work and cruciform bracket building hardware make no problem, and that non-welded building hardware is superior to that of the welded building hardware in the horizontal displacement following ability due to earthquake or wind load.