Two Full-Scale Tests of Class 3 Composite Beamsby Jean Marie Aribert, INSA, Rennes, France,
Joël Raoul, INSA, Rennes, France,
Abstract: This paper presents two tests of continuous composite beams comprising two 7.5 m spans and two concentrated loads close to the intermediate support. Although the cross-sections on the intermediate support have a class 3 web (the elastic resistance can be reached but local buckling prevents development of the plastic resistance), a very large redistribution of bending moments from the hogging region to the sagging one has been observed. These tests justify the methods developed in EUROCODE 4 to deal with this type of cross-section.
Subject Headings: Composite beams | Load tests | Load and resistance factor design | Concentrated loads | Elastic analysis | Material tests | Continuous beams | Cross sections
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