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Machine learning-based prediction of seismic limit-state capacity of steel moment-resisting frames considering soil-structure interaction

Abstrakt

Regarding the unpredictable and complex nature of seismic excitations, there is a need for vulnerability assessment of newly constructed or existing structures. Predicting the seismic limit-state capacity of steel Moment-Resisting Frames (MRFs) can help designers to have a preliminary estimation and improve their views about the seismic performance of the designed structure. This study improved data-driven decision techniques in Python software, known as supervised Machine Learning (ML) algorithms, to find median IDA curves (M-IDAs) for predicting the seismic limit-state capacities of steel MRFs considering Soil-Structure Interaction (SSI) effects. For this purpose, Incremental Dynamic Analyses (IDAs) were per-formed on the steel MRFs from two to nine-story elevations modeled in Opensees subjected to three ground motion subsets of Far Fault (FF), near-fault Pulse-Like (PL) and No-Pulse (NP) suggested by FEMA-P695. The result of the analysis confirmed that there is no specific model for predicting the M-IDA curve of steel structures; therefore, the best developed ML algorithms to reduce a complex modelling process with high computational cost using 128,000 data points were proposed. To provide convenient access to prediction results, Graphical User Interface (GUI) was developed to predict Sa (T1) of seismic limit-state performance levels with a large database based on prediction models.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
COMPUTERS & STRUCTURES nr 274,
ISSN: 0045-7949
Język:
angielski
Rok wydania:
2023
Opis bibliograficzny:
Kazemi F., Jankowski R.: Machine learning-based prediction of seismic limit-state capacity of steel moment-resisting frames considering soil-structure interaction// COMPUTERS & STRUCTURES -Vol. 274, (2023), s.106886-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.compstruc.2022.106886
Źródła finansowania:
  • COST_FREE
Weryfikacja:
Politechnika Gdańska

wyświetlono 373 razy

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