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Refinement and Validation of the Simple Lateral Mechanism Analysis (SLaMA) Procedure for RC Frames

Gentile, R; Del Vecchio, C; Pampanin, S; Raffaele, D; Uva, G; (2020) Refinement and Validation of the Simple Lateral Mechanism Analysis (SLaMA) Procedure for RC Frames. Journal of Earthquake Engineering , 25 (7) pp. 1227-1255. 10.1080/13632469.2018.1560377. Green open access

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Abstract

The 2017 New Zealand Society for Earthquake Engineering (NZSEE) guidelines for seismic assessment of buildings recommends using Simple Lateral Mechanism Analysis (SLaMA) before implementing numerical analyses. The method and the NZSEE guidelines have been enhanced from the 2006 version, resulting into an efficient procedure, balancing simplicity and accuracy. This paper presents a numerical study, initiated as part of the development of the SLaMA-2017 method, to investigate the accuracy of the analytical approach via comparison with numerical 2D-pushover on 40 RC frames. SLaMA is effective in capturing the plastic mechanism of the frames, including global or soft-story mechanisms. Further-yet-simple refinements of the procedure are suggested.

Type: Article
Title: Refinement and Validation of the Simple Lateral Mechanism Analysis (SLaMA) Procedure for RC Frames
Open access status: An open access version is available from UCL Discovery
DOI: 10.1080/13632469.2018.1560377
Publisher version: https://doi.org/10.1080/13632469.2018.1560377
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.
Keywords: Seismic assessment, displacement-based assessment, reinforced concrete, existing buildings, nonlinear analysis
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Inst for Risk and Disaster Reduction
URI: https://discovery.ucl.ac.uk/id/eprint/10066122
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