Snow and Ice Chemicals for Texas Roads

Currently, Texas Department of Transportation (TxDOT) districts that use snow and ice chemicals primarily use NaCl or MgCl2 (with or without additives), but often this choice is not based on a quantitative assessment. In addition, the use of natural brines as an inexpensive local source of salts has been proposed by TxDOT. This project will quantify and qualify the relative merits of common snow and ice chemicals used by TxDOT in its maintenance operations as well as natural brines (e.g. Kent County Brine). This project will consider all aspects of these chemicals including effectiveness, availability, environmental concerns, environmental regulations, and impact on infrastructure durability (corrosion). Finally, taking all of these considerations into account, we will evaluate the cost effectiveness of each chemical as a function of intended use and location. The project will consist of a series of literature and best practice reviews, supported by required lab testing where data gaps exist, and further evaluation in a limited field trial. Anticipated outcomes include characterization of the effectiveness and cost of snow and ice control chemicals, including natural brines, for various treatment strategies for Texas roads and weather conditions. This project also explore the durability impacts to infrastructure caused by snow and ice control chemicals and recommendations on how to conduct maintenance operations to minimize corrosion and scaling, as well as current environmental regulatory guidance for snow and ice control chemicals and recommendations on a compliance strategy. Finally, the project will develop recommendations on usage, transport, storage, and application rates for snow and ice control chemicals, including natural brines, for various treatment strategies for Texas roads and weather conditions.

Language

  • English

Project

  • Status: Completed
  • Funding: $556885.00
  • Contract Numbers:

    0-6793

  • Sponsor Organizations:

    Texas Department of Transportation

    125 E. 11th Street
    Austin, TX  United States  78701-2483
  • Project Managers:

    Pete, Kevin

  • Performing Organizations:

    Texas Tech University, Lubbock

    Office of Research Services
    349 Administration
    Lubbock, Texas  United States  79409-1053
  • Principal Investigators:

    Jackson, Andrew

  • Start Date: 20120131
  • Expected Completion Date: 0
  • Actual Completion Date: 20150831
  • Source Data: RiP Project 39894

Subject/Index Terms

Filing Info

  • Accession Number: 01566796
  • Record Type: Research project
  • Source Agency: Texas Department of Transportation
  • Contract Numbers: 0-6793
  • Files: RiP, STATEDOT
  • Created Date: Jun 23 2015 1:00AM