Pieroni, L;
Elettore, E;
Freddi, F;
Latour, M;
(2021)
Optimised Strategies for Seismic-Resilient Self-Centring Steel Moment Resisting Frames.
In:
EUROSTEEL 2021 Sheffield — Steel's coming home.
(pp. pp. 2052-2061).
Wiley: Hoboken, NJ, USA.
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Abstract
In recent years there have been significant advancements in the definition of innovative minimal damage structures chasing the urgent requirements of more resilient societies against extreme seismic events. In this context, a type of seismic-resilient moment resisting frames (MRFs) is based on the use of Self-Centring Damage-Free (SCDF) devices in column bases and beam-to-column joints. However, when these devices are widespread across the whole structure, the details’ complexity increases significantly with respect to conventional solutions, thus limiting their practical application. To overcome this drawback, current research works are focusing on the definition of optimum locations for SCDF devices such that their effectiveness is maximised. Within this context, the present study investigates optimum locations for a limited number of SCDF devices to be used within mid- and high-rise MRFs. An 8-storey structure is selected for case study purposes and nineteen configurations are investigated considering different positions of SCDF joints. Numerical models of the selected configurations are developed in OpenSees and Incremental Dynamic Analysis are performed. The seismic responses of the case-study structures equipped with different layouts of SCDF devices are evaluated and compared. Some considera-tions in terms of optimal distributions of SCDF devices are made with the aim of maximising the efficiency of the solution and the seismic performance of mid- and high-rise MRFs.
| Type: | Proceedings paper |
|---|---|
| Title: | Optimised Strategies for Seismic-Resilient Self-Centring Steel Moment Resisting Frames |
| Event: | 9th European Conference on Steel and Composite Structures (Eurosteel 2020) |
| Location: | Sheffield, UK |
| Dates: | 01 September 2021 - 03 September 2021 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/cepa.1521 |
| Publisher version: | https://doi.org/10.1002/cepa.1521 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher's terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10134690 |
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