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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/94835


    Title: 機場剛性鋪面厚度設計程式之建立
    Other Titles: Development of a Thickness Design Program for Rigid Airfield Pavements
    Authors: 李英豪;顏少棠;鄭品恭
    Contributors: 淡江大學土木工程學系
    Keywords: 剛性鋪面;鋪面厚度;機場鋪面;多層線性彈性理論;疲勞損壞;厚度設計;Rigid Pavement;Pavement Thickness;Airfield Pavement;Multilayer Linearelastic Theory;Fatigue Damage;Thickness Design
    Date: 1999-08
    Issue Date: 2014-02-08 19:40:30 (UTC+8)
    Abstract: 本研究主要目的在建立一套可利用版理論的方法來分析波音B-777型客機的新機場剛性鋪面厚度設計程式。本研究首先針對傳統FAA與新的LEDFAA設計法作詳盡且深入的探討,接著藉著無因次應力預估模式重新計算設計法中的臨界邊緣應力,並與舊法所計算的臨界應力相互驗證。文中探討FAA設計法的通過涵蓋比值( P/C)原始發展觀念與疲勞破壞模式,並加入應力折減因素與引進當量應力因子(f/sub 3/)等值疲勞破壞(CDF)的觀念,建立較恰當的疲勞破壞曲線。本研究以FAA現階段機場剛性鋪面厚度設計法為藍本配合本研究成果,進而研擬出新的機場剛性鋪面厚度設計程序,並參考由FAA所發展的LEDFAA鋪面厚度設計程式,利用Visual Basic應用軟體編譯一套擁有良好使用介面之機場剛性鋪面厚度設計程式TKUAPAV。
    The main objective of this study is to develop a new thickness design program for rigid airfield pavements in attempts to accommodate the new-coming Boeing 777 airplanes based on the plate theory approach. The differences of the conventional FAA design method and the newly developed LEDFAA design methodology are investigated. The original concept of pass-to-coverage ratio is reevaluated. The prediction models developed by Lee, et al. (1997) are utilized for the estimation of ciritical edge stresses. The problems and difficulties of the conventional method especially in the conversions of different aircraft types are identified. The concept of cumulative damage factor is used to account for the combined damages of different aircraft types and departures. Structural deterioration relationships are compared and tentative modification alternatives are investigated. Consequently, an equivalent stress factor is introduced and an alternative structural deterioration model is proposed. The proposed approach has been implemented in a user-friendly computer program (TKUAPAV) for practical trial applications.
    Relation: 第十屆鋪面工程學術研討會論文集=Proceedings of the 10th National Conference on Pavement Engineering Symposium
    Appears in Collections:[土木工程學系暨研究所] 會議論文

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