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Estimating Cumulative Traffic Loads, Volume II: Traffic Data Assessment and Axle Load Projection for the Sites with Acceptable Axle Weight Data, Final Report for Phase 2. Final rept.
| 题名： | Estimating Cumulative Traffic Loads, Volume II: Traffic Data Assessment and Axle Load Projection for the Sites with Acceptable Axle Weight Data, Final Report for Phase 2. Final rept. |
| 作者： | HAJEK, J. J.; JIANG, Y. J.; MLADENOVIC, G.; SELEZNEVA, O. I. |
| 关键词： | *Traffic-management; *Pavement-loading.;Axle-loads; Traffic-data-analysis; Traffic-estimates; Pavements-; Data-quality; Transportation-planning; Performance-; Data-collection. |
| 摘要： | In 1998, the Federal Highway Administration (FHWA) sponsored a two-phase study to develop traffic load estimates for Long-Term Pavement Performance (LTPP) sites. This report describes the results of the Phase 2 study. The Phase I study resulted in the development of a methodology for estimating axle load spectra for all years the LTPP sites were in service. Phase 2 used this methodology to estimate axle loads for all LTPP sites that had acceptable site-specific axle weight data. In total, traffic load estimates were made for 558 LTPP traffic sites. The original goal of Phase 2 was to apply the methodology developed in Phase 1 to obtain annual axle load spectra for 500 LTPP sections. During the coarse of Phase 2, this goal was refined to encompass the following specific objectives: Review traffic data for all LTPP sites in terms of quality and quantity; Carry out initial truck volume projections for all LTPP sites and submit them for review by participating agencies; Carry out initial axle load spectra projections for all LTPP sites with monitoring site-specific axle loads and submit them for review by participating agencies; Modify the initial traffic projections according to the review comments provided by participating agencies; Develop computed parameter tables for storage of the projected axle load spectra and supplemental projection data in the LTPP Information Management System (IMS) and upload the traffic projections into the database; Develop a prototype Pavement Loading Guide (PLG); and Develop reliability or variability indicators for the projected traffic loads. |
| 报告类型： | 科技报告 |
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