There has been a general interest in both passive and active security improvement for buses over the last few years, following the existent trend for all means of transportation. This is owing to the high social impact that accidents of this kind of vehicles have. In this sense, international organisations are developing an important task, to establish new safety measures. For example, a result of this working line is Geneva Regulation number 66, which has been issued in order to regulate a minimal rollover resistance for the superstructure of buses. In this paper, a technique developed to simulate the rollover test of buses is shown, which is in accordance with the requirements expressed in that Regulation. This technique allows both steel and composites buses to be analysed. The developed simulation technique was validated before applying it on complete buses. This validation consisted of carrying out a rollover test on a composite intercity bus module and the simulation of such a test. The obtained numeric results showed a high degree of correlation with the experimental ones. A new concept of high weight bus built on composites has been shown. It reports a weight saving of 1000 kg compared with intercity buses built on steel. This bus fulfils the requirement of Regulation 66 of Geneva with a safety factor of 2.185. Static and dynamic tests were carried out on the composite bus in order to check whether the composite bus is able to overcome the stiffness and strength requirements, which must be fulfilled by traditional metallic buses. Safety coefficients based on Tsai-Wu criterion were greater than four.


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    Titel :

    Composite bus rollover simulation and testing


    Weitere Titelangaben:

    Simulation des Überschlags eines Autobusses mit Verbundkarosserie


    Beteiligte:
    Castejon, Luis (Autor:in) / Miravete, Antonio (Autor:in) / Cuartero, Jesus (Autor:in)


    Erscheinungsdatum :

    2006


    Format / Umfang :

    17 Seiten, 21 Bilder, 3 Tabellen, 7 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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