NYSDOT Seasonal Research Project

Modeling Mechanistic Properties of Unbound Materials for New York State

The Cornell Local Roads Program is conducting research on the seasonal variation of unbound pavement materials properties in New York State. This project will increase the applicability of the seasonal pavement materials models that were developed for the New York State Department of Transportation (NYSDOT) in an earlier research project Seasonal Variations of In Situ Materials Properties.

Locations outside the inference space <br />
of the previously developed seasonal model.
Locations outside the inference space of the
pavement seasonal model developed in Phase I.

The models from that project were designed to help NYSDOT implement the new AASHTO mechanistic-empirical pavement design guide (DARWin-ME™) while still being applicable with the existing NYSDOT Comprehensive Pavement Design Manual (CPDM). This project will expand on earlier research results, creating models of seasonal change in unbound (subbase and subgrade) layer moduli applicable across approximately 90 percent of the area of New York State.

Project Goals

 

Nuggets & Nibbles Newsletter Feature Article on Pavement Frost Models

Seasonal Maps Currently Available

Thawing Days Map

Map. 1 Average number of days of thawing (1987-2016)

Last Thaw Day Map

Map 2. New York State Last Thaw Day (1986-2016)

Frost Depth Map

Map 3. Average depth of frost 1987-2016

Historic Lifespan Map

Map 4. Lifespan of low-volume pavement due to differences in climate in New York State

 

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This work by the Cornell Local Roads Program (CLRP) is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License.