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Experimental moment resistance of rectangular hollow section T joints

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Original languageEnglish
Article number08003
JournalMATEC Web of Conferences
Publication statusPublished - 5 Dec 2018
Publication typeA1 Journal article-refereed
EventInternational Scientific Conference on Energy, Environmental and Construction Engineering (EECE-2018) -
Duration: 19 Nov 201820 Nov 2018


Resistance is the main property of tubular joints. The determination of the joint resistance from the experimental load-deformation curve always represents a challenging task. Currently there are two main methods to find the experimental resistance, which are called plastic and ultimate resistance. However, there is no single opinion on which one should be commonly used. Based on the experimental results, this paper directly compares the two existed approaches. The study is restricted to welded square hollow section T joints under in-plane bending moment. The paper considers only the joints with β < 0.85, i.e. when the behaviour of the joint is governed by chord face failure. The results show that plastic resistance leads to more conservative results than ultimate resistance, providing thus safer results. However, attention should be also paid to the difference between the labour intensity of the presented methods.

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Field of science, Statistics Finland

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