Testing of concrete under closed-loop control

Ravindra Gettu, Barzin Mobasher, Sergio Carmona, Daniel C. Jansen

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


Closed-loop testing systems provide the ability to directly control the deformation of the loaded specimen. This considerably enhances the precision, stability, and scope of the experiments. Closed-loop machines can be used to determine the stable response of a test specimen or structure by monitoring and controlling the physical quantities that are sensitive to its behavior. The importance of the various components of the closed-loop controlled system and the test configuration is reviewed in the paper. The most critical aspect of designing the test is the choice of the controlled variable. With appropriate controlled variables and good system performance, several interesting and intricate testing techniques can be developed, as seen in the examples presented here.

Original languageEnglish (US)
Pages (from-to)54-71
Number of pages18
JournalAdvanced Cement Based Materials
Issue number2
StatePublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Ceramics and Composites
  • Industrial and Manufacturing Engineering


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