System Identification Method for Evaluating the Effect of Thickness Error on Backcalculated Pavement Layer Moduli 被引量：1

System Identification Method for Evaluating the Effect of Thickness Error on Backcalculated Pavement Layer Moduli

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摘要 Based on system identification theory and FWD testing data, the effect of thickness error on backcalculating pavement layer moduli is studied and the method of singular value decomposition (SVD) is presented to solve the morbidity problem of sensitivity matrix in this paper.The results show that the thickness error has great effects on the backcalculated pavement layer moduli. The error of backcalculated moduli can be controlled within the range of ±15% by limiting the thickness error within the range of ±5%.

作者 ZHONG Yan-hui WANG Fu-ming ZHANG Bei CAI Ying-chun

机构地区 Dalian University of Technology Zhengzhou University Chonging University Zhengzhou University

出处《上海交通大学学报》 EI CAS CSCD 北大核心 2004年第z2期182-187,共6页 Journal of Shanghai Jiaotong University

关键词 system identification SINGULAR value decomposition (SVD) backcalculation PAVEMENT FALLING weight DEFLECTOMETER (FWD) MODULI thickness

分类号 N55 [自然科学总论]

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System Identification Method for Evaluating the Effect of Thickness Error on Backcalculated Pavement Layer Moduli 被引量：1

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