講演・口頭発表等

2008年12月1日

Results of recent E-Defense tests on full-scale steel buildings: Part 2 - collapse simulation and blind analysis contest

Proceedings of the 2008 Structures Congress - Structures Congress 2008: Crossing the Borders
  • Makoto Ohsaki
  • ,
  • Kazuhiko Kasai
  • ,
  • Yuich Matsuoka
  • ,
  • Yuich Matsuoka
  • ,
  • Jingyao Zhang

The E-Defense shake table facility, which is world's largest earthquake simulator, is being utilized for a major research project on steel buildings in Japan. The project involves several studies on moment frames, innovative methods for new or existing buildings, protective systems, and nonstructural elements [1]. As one of such studies, a challenging full-scale experiment to simulate collapse of a four-story moment frame was carried out in September 2007 [2]. In order to investigate the issues such as modeling techniques, estimation of damping and stiffness of nonstructural components, extensive analytical studies are being conducted by the members of the committee in charge of the test. Among several types of analysis described in Ref. [3], the post-test analysis results by the finite element model is reported in the first part of this study. A blind analysis contest has been conducted in conjunction with the test to stimulate development of computational methods and efficient modeling techniques for collapse analysis of steel frame buildings. The outline of the contest and the types of the analysis methods used by the participants in the contest are reported in the second part of this study. © 2008 ASCE.

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