Sökning: "Jossian Thomas"

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  1. 1. Evaluation of 3D dynamic effects induced by high-speed trains on double-track slab bridges

    Master-uppsats, KTH/Bro- och stålbyggnad

    Författare :Jossian Thomas; Assís Arañó Barenys; [2016]
    Nyckelord :Dynamics; Frequency analysis; 3D model; Torsional modes of vibration;

    Sammanfattning : In addition to a static design, a dynamic analysis has to be performed for bridges for which the maximum permissible train speed exceeds 200 km/h. This analysis requires a lot of computing time, for this reason Svedholm and Andersson (2016) have developed a simple tool describing the relationship between the first eigenfrequency of the bridge, the span length and the minimum mass to fulfill the regulation specified in EN-1990. LÄS MER