Tragverhalten hochfester Verbundstützen und Werkstoffverhalten im Brandfall – FOSTA‐Forschungsverbund HOCHFEST: Projekte „Hochfeste Verbundstützen und Brand“

Knobloch, Markus; Feldmann, Markus; Claßen, Martin; Zehfuß, Jochen; Mensinger, Martin; Uszball, Sara; Schurgacz, Przemyslaw; Schäfers, Michael; Janiak, Till; Nonn, Jonas; Jalaeeyan, Asieh; Ameri, Shaghayegh; Wolters, Kevin; Röß, Rudolf

doi:10.1002/stab.202300003

Cited by 2 publications

(1 citation statement)

References 16 publications

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“…Composite columns following this approach are no novelty, but as the investigation on which the European standard is based, only steel grades up to S460 were considered [6; 7]. Within the framework of an ongoing research project funded by the AiF (Arbeitsgemeinschaft industrieller Forschungsvereinigungen), this composite column system using HSS and UHSS is being investigated in more detail by means of numerous experimental and theoretical investigations [8]. Small-scale tests were carried out to assess the load-bearing capacity under pure compression and to gain insights for the new construction principle.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigations on composite stub columns: hollow sections with embedded solid core made of HSS

Janiak,

Nonn,

Wolters

et al. 2023

ce papers

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A new composite column system using a solid core and an encasing jacket made from (ultra‐)high‐strength structural steel filled with concrete is presented in this paper that can serve as a promising alternative to prefabricated reinforced concrete columns from an economic and constructive point of view. Within the scope of a research project, this topic is being investigated in more detail by means of numerous experimental and theoretical investigations to enable the use of (ultra‐)high‐strength steels in the future. In this article, stub column tests were carried out to assess the resistance to pure compression and to gain insights into the structural performance of this new composite column system. Novel measurement techniques are used to evaluate the different normal force bearing components of the steel core, the hollow steel section, and the filled concrete over the entire loading process. A clear dependence of the load‐bearing behaviour on the cross‐sectional shape and the load introduction form (full‐surface load introduction vs. load introduction via the core surface) was observed.

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Section: Introductionmentioning

confidence: 99%

Experimental investigations on composite stub columns: hollow sections with embedded solid core made of HSS

Janiak,

Nonn,

Wolters

et al. 2023

ce papers

Self Cite

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Experimental investigations on composite columns: round hollow sections with embedded solid core section made of high‐strength steel

Nonn,

Janiak,

Wolters

et al. 2023

ce papers

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Due to price developments, steel composite columns have lost significant market shares to prefabricated reinforced concrete columns in recent years. Using high‐strength steel (HSS) in composite columns may offer a way of reviving the market for these kinds of columns. There are different ways of using HSS for composite columns, however, many are associated with the use of welds. Welding of HSS can lead to cold and hot cracks, while also causing high residual stresses which can lead to a decrease of the load bearing capacity. Hollow section composite columns with embedded solid core cross‐sections and using HSS may offer a way to solve this problem.Round hollow sections with embedded solid core as a composite column have so far only been investigated for steel grades up to S460. Within the scope of German FOSTA research project P1501, a concept for a test setup is derived to investigate hollow sections with embedded solid core as a composite column made of HSS. The experimental results will be used as the basis for further numerical studies, which will be discussed within the scope of this paper. Based on these models, parametric studies will be conducted in the future to validate design concepts.

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Tragverhalten hochfester Verbundstützen und Werkstoffverhalten im Brandfall – FOSTA‐Forschungsverbund HOCHFEST: Projekte „Hochfeste Verbundstützen und Brand“

Cited by 2 publications

References 16 publications

Experimental investigations on composite stub columns: hollow sections with embedded solid core made of HSS

Experimental investigations on composite stub columns: hollow sections with embedded solid core made of HSS

Experimental investigations on composite columns: round hollow sections with embedded solid core section made of high‐strength steel

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