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Seismic Performance of High Strength Steel(HSA800) Beam-to-Column Connections with Improved Horizontal Stiffener

개량수평스티프너를 보강한 고강도강(HSA800) 접합부 내진성능평가

  • Oh, Sang Hoon (Dept. of Architectural Engineering, Pusan National University) ;
  • Park, Hae Yong (Dept. of Architectural Engineering, Pusan National University)
  • Received : 2014.04.11
  • Accepted : 2014.07.25
  • Published : 2014.08.27

Abstract

As the height and beam span of buildings built in the construction market increase, increasingly higher quality is being required of the construction materials. In response to this trend, 800MPa tensile strength class steel was developed in domestic company. Currently, experiments applying flexural member, compression member, and connections are continuously conducted, but a design guideline for high strength steel has yet to be established. Among those construction materials, for the high strength steel beam-to-column connections, the evaluation of implementing ductile connections for the high strength steel beam-to-column connections is producing pessimistic results and the number of related researches is inadequate because of the high yield ratio, which is the characteristic of high strength steel. This study on implementation of ductile connections made of high strength steel was conducted using the connection detail as the variable, for the purpose of enhancing the deformation capacity of high strength steel beam-to-column connections. Cyclic loading test and nonlinear finite element analysis were conducted with full-scale mock-up connection models with the applied connection details. As a result, the structural performance of high-strength steel beam-to-column connection with presented detail was contented with demand of Special Moment Frames of KBC standard.

Acknowledgement

Supported by : 국토해양부

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