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Illustrative application of direct loss-based seismic design for reinforced concrete buildings

Gentile, R; Calvi, GM; (2022) Illustrative application of direct loss-based seismic design for reinforced concrete buildings. In: Proceedings of the he 3rd European Earthquake Engineering & Seismology (3ECEES). (pp. pp. 1-7). 3ECEES Green open access

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Abstract

: A direct loss-based design (DLBD) procedure for reinforced concrete buildings has been recently proposed by the authors. It allows achieving a target acceptable level of earthquake-induced loss (e.g. deaths, dollars, downtime) under a specified site hazard profile. The procedure is called “direct” since the target loss level (e.g. defined based on client preferences) is specified at the first step of the procedure, and it generally requires two or three design iterations. The foundation of DLBD is a simplified loss assessment employing surrogate probabilistic seismic demand models and building-level damage-to-loss models for both direct and indirect losses. For a given target loss level, and structural geometry, the procedure provides the force-displacement curve of an equivalent single degree of freedom system. Such force-displacement curve becomes the target of the structural detailing phase, which is carried out using the principles of displacement-based design, thus allowing to design beams, columns, and walls accordingly. This paper illustrates the effectiveness of DLBD in designing a realistic RC case study building that achieves a 0.5% expected annual loss.

Type: Proceedings paper
Title: Illustrative application of direct loss-based seismic design for reinforced concrete buildings
Event: 3rd European Conference on Earthquake Engineering and Seismology (3ECEES)
Location: Bucharest, Romania
Open access status: An open access version is available from UCL Discovery
Publisher version: https://3ecees.ro/
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher's terms and conditions.
Keywords: risk-targeted design approach; earthquake economic losses; direct/indirect losses; expected annual loss; tail value at risk
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/10180479
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