Gentile, Roberto;
Angelucci, Giulia;
Wu, Jingren;
Di Benedetto, Marilisa;
Di Trapani, Fabio;
Morandi, Paolo;
Milanesi, Riccardo;
... Jalayer, Fatemeh; + view all
(2025)
State-dependent fragility via experimentally validated
energy-based approaches.
In:
Energy-Based Seismic Engineering. IWEBSE 2025.
(pp. pp. 225-236).
Springer: Cham, Switzerland.
![[thumbnail of EBSE2025_ENFRAG.pdf]](https://discovery.ucl.ac.uk/style/images/fileicons/text.png) |
Text
EBSE2025_ENFRAG.pdf - Accepted Version Access restricted to UCL open access staff until 27 June 2026. Download (3MB) |
Abstract
This paper presents the preliminary results of the ENFRAG research project, which is part of the ERIES project (engineering research infrastructures for European synergies). ENFRAG aims at advancing state-dependent earthquake fragility assessment methodologies. The project involves sequential quasi-static cyclic displacement-controlled in-plane (IP) and shaking-table dynamic out-of-plane (OOP) tests on four nominally identical infill walls. Different load protocols are employed to induce the same peak-based engineering demand parameters (EDPs) while modulating the energy-based demands. A multi-fidelity approach is employed to integrate the experimental data with synthetic datasets including IP cloud-based analysis, IP quasi-static, push-pull analyses with different load protocols, OOP dynamic analyses, and IP-OOP combined analyses. The results are used to explore the potential of energy-based EDPs for interpreting damage states and damage accumulation. This allows experimentally validating methodologies to derive state-dependent fragility functions that account for multiple sources/mechanisms of damage accumulation. This contribution provides an update on the numerical and analytical components of ENFRAG, as well as linking them with the specific research objectives.
| Type: | Proceedings paper |
|---|---|
| Title: | State-dependent fragility via experimentally validated energy-based approaches |
| Event: | IWEBSE 2025: International Workshop on Energy-Based Seismic Engineering |
| DOI: | 10.1007/978-3-031-97129-7_18 |
| Publisher version: | https://doi.org/10.1007/978-3-031-97129-7_18 |
| 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 Maths and Physical Sciences 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/10207296 |
Archive Staff Only
 |
View Item |
