關鍵字查詢 | 類別:期刊論文 | | 關鍵字:Study of Backcalculated Pavement Layer Moduli from the LTPP Database

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1 98/2 土木系 李英豪 教授 期刊論文 發佈 Study of Backcalculated Pavement Layer Moduli from the LTPP Database , [98-2] :Study of Backcalculated Pavement Layer Moduli from the LTPP Database期刊論文Study of Backcalculated Pavement Layer Moduli from the LTPP DatabaseLee, Ying-Haur; Ker, Hsiang-Wei; Lin, Chia-Huei; Wu, Pei-Hwa淡江大學土木工程學系新北市:淡江大學淡江理工學刊=Tamkang Journal of Science and Engineering 13(2),頁145-156The main objective of this study was to investigate the fundamental principles of flexible and rigid pavement backcalculation methodologies and their potential limitations. The two-layer backcalculation approach proposed by the 1993 AASHTO Design Guide for the structural evaluation of existing pavements was also adopted. The laboratory tested (or static) layer moduli were compared with the backcalculated (or dynamic) moduli using the Long-Term Pavement Performance (LTPP) database. Relatively high variability between the relationships of the static and the dynamic moduli was observed indicating that further research study is needed to improve the current state-of-the-art backcalculation approach. In addition,
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