Stability in Hybrid Fire Testing Using PI Control

Mergny, Elke; Drion, Guillaume; Franssen, Jean‐Marc

doi:10.1007/s40799-020-00375-8

Cited by 4 publications

(2 citation statements)

References 13 publications

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“…The procedure proposes a proportional integral (PI) controller designed with the initial stiffness of both substructures and consists of adjusting the interface displacements to equilibrate the interface forces of both substructures. The procedure was discussed in Mergny et al [17] but has been adapted for testing.…”

Section: Algorithm To Perform Hybrid Fire Testingmentioning

confidence: 99%

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Multi-degree-of-freedom Hybrid Fire Testing of a Column in a Non-linear Environment

Mergny

Franssen

2022

Fire Technol

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Hybrid fire testing is a testing method for structures on fire based on a substructuring method. A complete structure is divided in two substructures, one in a fire test laboratory (physical substructure), and one numerically simulated (numerical substructure). In fire engineering, some hybrid fire tests have been successfully performed in the last decades, but as the method is still in its infancy, these hybrid tests were limited to one-degree-of-freedom tests. The paper presents the first successful multi-degree-of-freedom hybrid test performed in fire engineering. The physical substructure is a steel column with an axial displacement and rotations at the ends controlled by electric jacks. The numerical substructure is a non-linear 2D plane frame structure modelled in SAFIRÒ. The equations of the algorithm, the experimental setup, the testing process, and the results are presented.

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Section: Algorithm To Perform Hybrid Fire Testingmentioning

confidence: 99%

“…The paper is divided into three sections. The first section describes the experimental setup built at Liege University to perform hybrid fire tests; the testing procedure on the algorithm developed in Mergny et al [17]; and the case of study. Then, the results are presented and discussed.…”

Section: Introductionmentioning

confidence: 99%