On-line hybrid test method for evaluating the performance of structural details to failure

Konstantinos A. Skalomenos*, Masahiro Kurata, Masayoshi Nakashima

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A test environment to evaluate the seismic performance of gusset plate connections intended for steel braced frames is proposed. The developed test method combines the substructuring techniques with finite element analysis methods in an on-line hybrid scheme. Numerical substructure analysis is conducted on bracing members, while bracing connections are treated as experimental substructures. A force-displacement combined control imposed with the aid of 2 jacks ensures physical continuity between the analysis and test. The rotational behavior of gusset plate connections subjected to large inelasticity and varying axial loading until fracture is investigated. Two gusset plate details were designed and tested to verify the efficiency of the proposed method. The test method is rational, and smooth operation is achieved. The test results revealed the advantage of the developed on-line hybrid test method in exploring the ultimate capacity of bracing connections.

Original languageEnglish
Pages (from-to)555-572
Number of pages18
JournalEarthquake Engineering and Structural Dynamics
Issue number3
Early online date29 Sept 2017
Publication statusPublished - 1 Feb 2018


  • gusset plate connections
  • on-line hybrid test
  • restart FEM analysis
  • steel braces
  • substructuring technique
  • ultimate capacity

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Earth and Planetary Sciences (miscellaneous)


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