PSI - Issue 78

Gennaro Vesce et al. / Procedia Structural Integrity 78 (2026) 936–943

943

Acknowledgements This study was developed with the partial financial support of the research project DPC-ReLUIS 2024-2026, WP12 – Contribution to standards for civil and industrial construction made with steel, timber and composites, Task 12.2.2 – Timber vertical additions. References Bartolotti A., Sartori M., Giongo I., 2023. Seismic fragility analysis to assess the impact of timber vertical additions on existing RC buildings: a case study, 9 th ECCOMAS Thematic Conference on Computational Methods in structural and Earthquake Engineering (COMPDYN 2023), Athens, Greece. Branco J.M., Neves L.A.C., 2011. Robustness of timber structures in seismic areas. Engineering Structures 33, 3099-3105. Calderoni B., Cordasco E.A., Sandoli A., Prota A., 2016. Seismic vulnerability assessment of ‘ancient’ masonry buildings and strengthening intervention strategies, Proceedings of the 16th International Brick and Block Masonry Conference, IBMAC 2016, Padua, Italy. Dind A., Lufkin S., Rey E., 2018. A modular timber construction system for the sustainable vertical extension of office building. Designs 2(3), 30. Faiella D., Calderoni B., Mele E., 2020. Seismic retrofit of existing masonry buildings through inter-story isolation system: A case study and general design criteria. Journal of Earthquake Engineering 26 (4), 2051-2087. Gavric I., Ceccotti M., Fragiacomo M., 20211. Experimental cyclic tests on cross-laminated timber panels and typical connections. Proc. of the 11 th Italian Conference on Earth. Eng. (ANIDIS), Bari, Italy. Hafner A., Storck M., 2019. Life cycle analysis of vertical building extensions – Environmental impacts of different material selection, IOP Conference Series: Earth and Environmental Sciences 290. Izzi M., Casagrande D., Bezzi S., Pasca D., Follesa M., Tomasi R., 2018. Seismic behaviour of Cross-Laminated Timber structures: a state-of-art review. Engineering Structures 170, 42-52. Kremer P., Ashraf M., Doerfler X., Li A., 2023. Building above the cities: evaluating the feasibility of mass timber vertical additions. CTBUH Journal, Issue 1. Kremer P., Ashraf M., Hewson N., Li X., 2024. Adaptive reuse for building above our cities: Evaluating the feasibility of mass timber vertical extensions. IOP Conf. Series: Eartha and Environmental Science 1363. Li J.K., Andersen L.V., Hudert M.M., 2025. Circular design for urban densification through extension construction, 14 th World Conference on Timber Engineering (WCTE), Brisbane, Australia. Sandoli A., Vesce G., Fabbrocino G., 2025. First insights on the seismic response of existing buildings with timber vertical additions, 10 th ECCOMAS Thematic Conference on Computational Methods in Structural and Earthquake Engineering (COMPDYN 2025), Rhodes, Greece. Sandoli A., Moroder D., Pampanin S., Calderoni B., 2016. Simplified analytical models for coupled CLT walls. 16 th World Conference on Timber Engineering WCTE, Wien, Austria. Sanei M., Khodadad M., Ilgin H.E., Attia S., Rizzo A., Lau K., 2025. Vertical extension of buildings: a systematic literature review. Architectural Science Review, 1-15.