United States Department of Transportation
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Long-term Pavement Performance Program (LTPP) data analysis support : National Pooled Fund Study TPF-5(013). Effects of multiple freeze cycles and deep frost penetration on pavement performance and cost
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2006-11-01
[PDF-5.18 MB]
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OCLC Number:77516894
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Edition:Final report: March 2003 to May 2006
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION;NTL-HIGHWAY/ROAD TRANSPORTATION-Materials;NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance;NTL-REFERENCES AND DIRECTORIES-Statistics;
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Abstract:The objectives of this study are to: (1) quantify the effects of frost penetration on pavement performance in climates
with deep sustained frost as compared to environments with multiple freeze-thaw cycles, (2) investigate the effect
that local adaptations have on mitigating frost penetration damage, and (3) estimate the associated cost of
constructing and maintaining pavements in freezing climates. The approach consisted of modeling various
pavement performance measures using both climatic and nonclimatic input variables and performance data
collected as part of the Long-Term Pavement Performance program. Five climatic scenarios are defined in terms of
climatic input variables for the models. Predicted performance measures are presented for each of the climatic
scenarios and compared at a 95 percent confidence interval to determine statistically significant performance
differences. Participating pooled fund States (PFS) were queried as to standard specifications, standard designs,
average life expectancies, and construction costs specific to each State Highway Agency (SHA). This data along
with information acquired through literature review of SHA standard practices is summarized with consideration
given to the mitigation of frost-related damage. Life cycle cost analysis for each climatic scenario using predicted
performance to determine average life and average agency construction costs for standard pavement sections is also
discussed and compared. The use of the performance models for local calibration as required in the National
Cooperative Highway Research Program Guide for Mechanistic-Empirical Design of New and Rehabilitated
Pavemen Structures is explored along with the possible application of the performance models in pavement
management systems.
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