Application of polymer element in reduction of temporary steel grandstand vibrations - Publikacja - MOST Wiedzy

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Application of polymer element in reduction of temporary steel grandstand vibrations

Abstrakt

The numerical analysis focused on reduction of vibrations of a temporary steel scaffolding grandstand has been conducted in this paper. These types of structures are regularly subjected to dynamic loads which, in conjunction with light and quite slender structural members, may induce dangerous vibrations. To increase their safety, temporary steel grandstands are usually strengthened with the diagonal stiffeners of tubular cross section. Another approach, by using a diagonal element consisting of two L-shape steel members bonded with polymer mass, has been considered. Dynamic parameters, such as modes of free vibrations and the corresponding natural frequencies for both structural models, have been estimated and compared. Then, the dynamic transient analysis has been conducted and the behaviour of the structure under human-induced excitation due to jumping has been determined. The results of the study show that the response of the temporary steel grandstand equipped with the polymer element as well as with the typical stiffener are substantially different. The application of the polymer element leads to substantial reduction in the levels of peak acceleration and displacement values as the result of high damping properties of polymer applied.

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Kategoria:
Aktywność konferencyjna
Typ:
materiały konferencyjne indeksowane w Web of Science
Tytuł wydania:
3rd Polish Congress of Mechanics (PCM) / 21st International Conference on Computer Methods in Mechanics (CMM) strony 331 - 334
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
Lasowicz N., Jankowski R..: Application of polymer element in reduction of temporary steel grandstand vibrations, W: 3rd Polish Congress of Mechanics (PCM) / 21st International Conference on Computer Methods in Mechanics (CMM), 2016, CRC Press Taylor & Francis Group,.
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1201/b20057-72
Weryfikacja:
Politechnika Gdańska

wyświetlono 75 razy

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