Experimental investigation of seismic behaviour of low dissipative CFS strap-braced stud walls

Fiorino, Luigi; Terracciano, Maria Teresa; Landolfo, Raffaele

doi:10.1016/j.jcsr.2016.07.027

Cited by 78 publications

(31 citation statements)

References 14 publications

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“…These researches are manly focused on the use of cold-formed steel in seismic applications. In particular, experimental and numerical studies were carried out on the assessment of the seismic behaviour of structural [29,30] and non-structural [31] systems. The results of these studies have also found a practical reflection in the design and execution of an important building in Italy [32].…”

Section: Cold-formed Structuresmentioning

confidence: 99%

“…Figures 6 and 7 show some testing activity developed I the laboratory of the Department of Structures for Engineering and Architecture of the University of Naples "Federico II" on coldformed structural ( Figure 6) and non structural (Figure 7) The results of these scientific studies above have been adopted in several different design applications. Among them, an emblematic example for dimension and complexity is represented by the design and execution of the "Foundation and Primary Stage School" for the British Command of Defense Estate in Naples [30]. The school building covers an area of about 3000 m 2 and is divided into eight joined constructions.…”

Section: Cold-formed Structuresmentioning

confidence: 99%

“…Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, Berlin · CE/papers (2017) "Foundation and Primary Stage School" for the British Command of Defense Estate in Naples: a) structure under erection; b) the school is completed[30] …”

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confidence: 99%

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00.03: European research on steel structures in seismic areas

Mazzolani

2017

ce papers

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In Europe the research activities on steel structures in seismic areas is very intense and productive since the '80s of the last century. Many research projects have been developed. In particular, the activity started within the Technical Committee 13 (seismic design) of ECCS deeply contributed to the scientific debate and to the genesis of current Eurocode 8, which is currently under maintenance. This paper summarizes the main topics already consolidated and the related research activities currently ongoing, together with the ones needing further developments, in order to highlight the research perspectives of the European community of experts working on the field of steel structures in seismic areas. In particular, the discussion focuses on material properties, local ductility, full strength and dissipative joints, innovative types of links in eccentrically braced frames, capacity design rules, cold-formed applications, new structural types and devices, the use of steel in structural consolidation.

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Section: Cold-formed Structuresmentioning

confidence: 99%

Section: Cold-formed Structuresmentioning

confidence: 99%

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00.03: European research on steel structures in seismic areas

Mazzolani

2017

ce papers

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“…Galvanized lipped channel sections are mainly used as the bearing components in cold-formed steel (CFS) wall-stud systems, which are confined to low-rise buildings. To apply this system to taller buildings [1][2][3][4], several lipped channel sections are usually combined to form built-up sections. However, the inherent open and thin-walled characteristics of lipped channel sections cause them to suffer from local buckling and distortional buckling.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Performance of Built-Up Columns Composed of Four Cold-Formed Square Steel Tubes

Chen

Xia

et al. 2019

Applied Sciences

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This study presents an experimental investigation into the mechanical performance of built-up columns composed of four cold-formed square steel tubes under axial load. The four tubes were assembled together with several C-shaped connectors through two self-tapping screws in each junction. The influence of parameters including spacing between tubes, type of connectors and transverse diaphragm were analyzed based on the failure modes, ultimate loads, load-displacement relationships and load-strain relationships measured in the tests. Moreover, a further numerical analysis was carried out to study the effect of the number of connectors, web height of connectors and installing connectors at column ends by means of the verified finite element models. Finally, the numerical results were compared with the strengths predicted by the AISI-S100-2012 code. Results show that the performance of built-up columns can be influenced by the change in the number of connectors and ratio of web height of connectors to spacing between tubes as well as the installation of connectors at column ends. In addition, the current AISI-S100-12 specifications do not provide a good prediction of the built-up columns composed of four cold-formed square steel tubes.

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“…Therefore, the robustness of a steel structure made of ductile and compact members is highly influenced by the response of its joints, as highlighted by several experimental and numerical studies recently carried out on structures undergoing progressive collapse at the occurrence of a column loss scenario [4][5][6][7]. This is not the case of lightweight structures [26][27][28][29][30] where the poor ductility of the all structural components affect the ultimate behavior.…”

Section: Introductionmentioning

confidence: 99%

Robustness of Seismically Pre-Qualified Extended Stiffened Beam-to-Column Joints

Tartaglia¹,

D’Aniello²,

Zimbru³

et al. 2019

Proceedings of the 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COM

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Steel joints for moment resisting frames in seismic areas are designed in accordance with the capacity-based design principles This design philosophy can be also effectively implemented to enhance the robustness of structures against progressive collapse. In this article the effectiveness of seismic design criteria on the robustness of beam-to-column joints is investigated. The numerical investigation was carried out on a set of European beam-to-column assemblies equipped with extended stiffened end-plate connections. The beams in the analyzed models were axially-restrained and subjected to large rotational demands, characteristic of the column loss scenario. The results show that the joints designed in accordance with seismic requirements have an adequate performance, provided that the axial resistance of half of the connection is larger than the plastic resistance of the beam.

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Experimental investigation of seismic behaviour of low dissipative CFS strap-braced stud walls

Cited by 78 publications

References 14 publications

00.03: European research on steel structures in seismic areas

00.03: European research on steel structures in seismic areas

Mechanical Performance of Built-Up Columns Composed of Four Cold-Formed Square Steel Tubes

Robustness of Seismically Pre-Qualified Extended Stiffened Beam-to-Column Joints

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