![]() ![]() ![]() Separate links are provided for flexible and rigid pavements. Because the main objective of the study was to quantify the impacts of frost on pavement performance, the models developed and implemented in this application cover both frost and nonfrost regions and are applicable to a range of climates. authorsof winning papers will receive a cash prize and an all-expense paid trip to washington, dcto be nationally recognized atthe 2020 transportationresearch board (trb)99th annual meeting. The forecasts are based on user–defined inputs for traffic, structure, environment, and subgrade conditions.Ĭomplete details on the model development and the pooled fund study can be found in the final report, Effects of Multiple Freeze Cycles and Deep Frost Penetration on Pavement Performance and Cost (FHWA–HRT–06–121). Using the LTPP Performance Forecast, researchers can compute roughness, structural cracking, environmental cracking, rutting, and faulting predictions as a function of pavement age. These sections consist of a variety of climates with various subgrade types and a range of loading conditions. These predictions are based on regression models using data available from approximately 800 in–service test sections in the LTPP database. Rigid Pavement Performance and Rehabilitation Dataĭeveloped as part of pooled fund study TPF–5(013), the Long–Term Pavement Performance (LTPP) Performance Forecast produces performance predictions for both rigid and flexible pavements.Interstate Pavement Condition Sampling Data Visualization.Pavement Loading User Guide (LTPP-PLUG).LTPP Jointed Concrete Pavement Data for MEPDG Local Calibration. ![]()
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