Fragility analysis of structural pounding between adjacent structures arranged in series with various alignment configurations under near‑field earthquakes - Publikacja - MOST Wiedzy

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Fragility analysis of structural pounding between adjacent structures arranged in series with various alignment configurations under near‑field earthquakes

Abstrakt

A major cause of local to total damages is related to structural pounding in a large number of past earthquakes. In general, these collisions take place as a result of differences in the dynamic characteristics of the colliding structures. To acquire a better perception of the behavior of structures, in this paper, three structures featuring different heights are modeled in series and with various configurations next to each other in OpenSees. To determine the collision effects of the structures, three different configurations of 4-, 8- and 12-story adjacent reinforced concrete special moment resisting frames were considered. Then, by conducting an incremental dynamic analysis, their structural seismic limit state capacities were assessed via 20 near-field record subsets recommended by FEMA-P695. At last, for the above adjacent buildings with various separation distances and configurations, the fragility curves were determined, and the probability of exceedance from the primary Hazus-MH failure criteria was estimated. In addition, the results were compared with those obtained when this phenomenon did not take place for buildings to have a better perception of the pounding phenomenon. The results of the analyses show that arranging adjacent structures in series greatly affects the collapse capacities of the colliding structures. In addition, in the case when the shorter structure is placed in the middle of two taller structures, it results in the most critical situation among all configurations, and in this case, a higher reduction is observed in the structural performance levels.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Bulletin of Earthquake Engineering nr 20, strony 7215 - 7240,
ISSN: 1570-761X
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Ebrahimiyan F., Hadianfard A. M., Naderpour H., Jankowski R.: Fragility analysis of structural pounding between adjacent structures arranged in series with various alignment configurations under near‑field earthquakes// Bulletin of Earthquake Engineering -Vol. 20, (2022), s.7215-7240
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/s10518-022-01471-3
Weryfikacja:
Politechnika Gdańska

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