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    题名: Effect of Vehicles' Suspension on Highway Horizontal Curve Design
    作者: 張堂賢;Chang, Tang-hsien
    贡献者: 淡江大學運輸管理學系
    日期: 2001-01-01
    上传时间: 2009-11-30 12:49:42 (UTC+8)
    出版者: American Society of Civil Engineers (ASCE)
    摘要: From the perspective of vehicles with a suspension system, some conventional highway design criteria do not adhere to vehicle characteristics. In particular, the relationship between minimum radius, superelevation, side friction, and design speed should be modified to incorporate modern vehicle design in body rolling. This study addresses the limitations of conventional design criteria for horizontal curves. A more appropriate equation is derived. From the revised equation, roughly 12–30% of the deflected fraction of the conventional minimum radius criteria was found. In order to ensure driving safety based on the values obtained from the revised equation, an evaluation of existing highway curves is proposed. This study also suggests that highway agencies should improve unsatisfactory sections and install speed calming measures at places that cannot be modified. - See more at: http://ascelibrary.org/doi/abs/10.1061/(ASCE)0733-947X(2001)127:1(89)#sthash.8xuQZ4wG.dpuf
    關聯: Journal of Transportation Engineering 127(1), pp. 89-91
    DOI: 10.1061/(ASCE)0733-947X(2001)127:1(89)
    显示于类别:[運輸管理學系暨研究所] 期刊論文

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