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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/110355

    Title: Impact Performance of W-beam Guardrail Supported by Different Shaped Posts
    Authors: Teng, Tso-Liang;Liang, Cho-Chung;Hsu, Ching-Yu;Shih, Chien-Jong;Tran, Thanh-Tung
    Keywords: Roadside Safety;Energy Absorption;Crashworthiness;LS-DYNA;EN1317
    Date: 2016-04-11
    Issue Date: 2017-06-09 02:10:18 (UTC+8)
    Publisher: Science Publishing Group
    Abstract: This study applied the finite element code LS-DYNA for evaluating the crashworthiness of W-beam guardrail. Four crash test simulations were conducted for evaluating the safety performance of the W-beam guardrail with four different post configuration according to the European standard EN1317. The results showed that the best performance was demonstrated by the sigma-shaped posts and the I-shaped posts absorbed the lowest amount of impact energy. The optimal result was registered by the barrier with sigma-shaped posts, which demonstrated a lower ASI value and higher energy crash absorption than the other models did.
    Relation: International Journal of Mechanical Engineering and Applications 4(2), p. 59-64
    DOI: 10.11648/j.ijmea.20160402.14
    Appears in Collections:[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Journal Article

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