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STUDY OF LTPP DISTRESS DATA VARIABILITY
VOLUME II: Appendix A: Tables and Figures for Manual Distress Data Analysis,
Appendix B: Figures for PASCO/PADIAS Distress Data Analysis.
Appendix C: Figures for Comparison of Manual and PASCO/PADIAS Distress data
| 题名： | STUDY OF LTPP DISTRESS DATA VARIABILITY VOLUME II: Appendix A: Tables and Figures for Manual Distress Data Analysis, Appendix B: Figures for PASCO/PADIAS Distress Data Analysis. Appendix C: Figures for Comparison of Manual and PASCO/PADIAS Distress data |
| 作者： | G.R. Rada. C.L. Wu. R.K. Bhandari. A.R. Shekharan, G.E. Elkins, J.S. Miller |
| 关键词： | Pavement Distress; Pavement Evaluation; Manual Survey; Film-Derived Distress Data; Distress Data Variability; Bias and Precision; LTPP |
| 摘要： | Reliable distress data for pavement performance model development and validation, and other pavement engineering products, are critical to the success of the Long-Term Pavement Performance (LTPP) program. Confidence in distress data requires a measure of error because of the bias and precision components of its variability. No systematic evaluation has been performed to quantify the bias and variability associated with both the manual and PASCO film-based distress data. In view of this, this study was undertaken by the Federal Highway Administration (FHWA) to assess the variability of the LTPP distress data, including those in the Information Management System (IMS) and those currently being collected using either photographic or manual methods. This second volume of the report contains all tables and figures developed in this study. Volume I of the report is: FHWA-RD-99-074 Volume I Study of LTPP Distress Data Variability |
| 报告类型： | 科技报告 |
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