Preservation Approaches for High-Traffic-Volume Roadways (2011) / Chapter Skim
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Pages 79-81
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From page 79... ...
Others, such as slurry seals and chip seals, are deemed appropriate by some and inappropriate by others. Still other treatments, such as crack sealing and joint resealing, are widely considered to be appropriate for use on high-traffic-volume roads.
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From page 80... ...
The effects of existing pavement condition and climatic condition must also be taken into account when estimating treatment performance, as various studies have shown that small to moderate reductions in performance can be expected when Existing pavement condition is rated in the "fair" category rather than the "satisfactory/good" category; and Climate is more characteristic of a freezing climate than a nonfreezing one, with significant snow and ice removal operations necessary for winter precipitation events. It is also recognized that the acceptance of relatively frequent applications of short-lived preservation treatments can be problematic on higher-traffic-volume roadways.
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From page 81... ...
• Investigate more fully the impact of pavement condition, traffic level, and climatic condition on treatment performance. Although implementing agencies will be tasked with evaluating and developing quantified estimates of treatment performance for different pavement conditions, traffic levels, and climate conditions, further research is needed at the national level, along the lines of the LTPP SPS-3 and SPS-4 studies.
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