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    題名: A computer program DBFWD is developed for data analysis of Falling Weight Deflectometer test on flexible pavements. To backcalculate the layer moduli of the pavement, numerous iterative backcalculation schemes are employed with the forward analysis of the Green's flexibility influence functions. Deflections from different numbers of receivers are checked for the prediction. The iterative scheme based on deflection ratio is selected. Interpretations from the deflections at the inner four receivers with high initial trial values of the material moduli give better accuracy. Comparisons of the programs on theoretical and experimental deflections indicate that the dynamic interpretation can provide more adequate solution to the test.
    作者: Chang, Der-Wen;Chang, Chia-Ling
    貢獻者: 淡江大學土木工程學系
    關鍵詞: 落重測位儀;柔性鋪面;回算;層間模數;Falling Weight Deflectometer;Flexible Pavement;Backcalculation;Layer Modulus
    日期: 1998-09
    上傳時間: 2010-01-11 10:21:07 (UTC+8)
    摘要: A computer program DBFWD is developed for data analysis of Falling Weight Deflectometer test on flexible pavements. To backcalculate the layer moduli of the pavement, numerous iterative backcalculation schemes are employed with the forward analysis of the Green's flexibility influence functions. Deflections from different numbers of receivers are checked for the prediction. The iterative scheme based on deflection ratio is selected. Interpretations from the deflections at the inner four receivers with high initial trial values of the material moduli give better accuracy. Comparisons of the programs on theoretical and experimental deflections indicate that the dynamic interpretation can provide more adequate solution to the test.
    A computer program DBFWD is developed for data analysis of Falling Weight Deflectometer test on flexible pavements. To backcalculate the layer moduli of the pavement, numerous iterative backcalculation schemes are employed with the forward analysis of the Green's flexibility influence functions. Deflections from different numbers of receivers are checked for the prediction. The iterative scheme based on deflection ratio is selected. Interpretations from the deflections at the inner four receivers with high initial trial values of the material moduli give better accuracy. Comparisons of the programs on theoretical and experimental deflections indicate that the dynamic interpretation can provide more adequate solution to the test.
    關聯: Proceedings of the Sixth East Asia-Pacific Conference on Structural Engineering & Construction: Tradition, Present, and Future Volume 3=第六屆 東亞太平洋結構工程與營建 會議研討會論文集第三冊, pp.2017-2024
    顯示於類別:[土木工程學系暨研究所] 會議論文

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