Structural Monitoring and Maintenance

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Full structure pseudo-dynamic test method and application based on OpenSees-OpenFresco-MTS

  • Zhen Tian (National center for materials service safety, University of science and technology Beijing, University of science and technology Beijing innovation arena) ;
  • Yuan Cheng (National center for materials service safety, University of science and technology Beijing, University of science and technology Beijing innovation arena) ;
  • Xuechong Ren (National center for materials service safety, University of science and technology Beijing, University of science and technology Beijing innovation arena) ;
  • Mengmeng Yang (National center for materials service safety, University of science and technology Beijing, University of science and technology Beijing innovation arena)
  • Received : 2024.05.12
  • Accepted : 2024.06.15
  • Published : 2024.09.25
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Abstract

Currently, the electro-hydraulic servo loading control system manufactured by MTS, OpenFresco hybrid test interface software and OpenSees finite element software are widely used in structure laboratories to carry out hybrid test, but there is no relevant public information about full structure pseudo-dynamic test based on the above software and hardware. In order to study the feasibility of using the above software and hardware to carry out full structure pseudo-dynamic test, the full structure pseudo-dynamic virtual experiments of a single degree of freedom (SDOF) structure and a two degrees of freedom (2DOFs) structure are carried out based on the MTS 793 Demo Mode, and the results are respectively compared with the finite element analysis method. The results show that the finite element analysis results and full structure pseudo-dynamic virtual experiment results are highly consistent, which verifies the feasibility of carrying out the full structure pseudo-dynamic test based on the above software and hardware. Then, a three story steel frame full structure pseudo-dynamic test is conducted, and the smooth implementation of full structure pseudo-dynamic test of the three story steel frame further verifies the reliability of thistesting method. The implementation method of carrying out the full structure pseudo-dynamic tests are introduced in detail, which can provide some reference for relevant research.

Keywords

Acknowledgement

The work presented in this paper is supported by Funding for the Opening, Sharing, and Maintenance of National Major Infrastructure in Universities of The National Development and Reform Commission of China (GJFG2024001).

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