WTI

Winter Maintenance & Effects Ongoing Projects

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• Development of Standardized Test Procedures for Evaluating Deicing Compounds
  • The objective of the proposed research is to develop and/or identify a series of standard laboratory testing procedures and ranges that can be used to evaluate the performance of deicing chemicals, additives and mixtures used on roadways and other transportation facilities.
• An Autonomous & Self-Sustained Sensing System to Monitor Water Quality
  • The objective of the project is to design and develop an autonomous, in situ, self-sustained water quality monitoring system for safe, reliable, timely, and efficient measurements of water samples near highways to assess impacts of highway construction and operations.
• Effect of Chloride-Based Deicers On Reinforced Concrete Structures: Phase I
  • Evaluate the effect of chloride-based deicers on reinforced concrete structures, such as roadways and bridges, operated by the Washington State Department of Transportation; and to determine whether or not reducing deicer corrosiveness helps preserve the transportation infrastructure.
• Replacing Thermal Sprayed Zinc Anodes on Cathodically Protected Steel Reinforced Concrete Bridges
  • The objectives of this project are to determine the most cost-effective method to remove existing zinc anodes from a concrete surface, and to develop a protocol to prepare the concrete surface for the new anode.
• Validating the Durability of Corrosion Resistant Mineral Admixture Concrete (04-GS108)
  • To assist Caltrans by validating chloride diffusion coefficients of mineral admixture concrete mix designs currently specified for corrosion mitigation. Furthermore, WTI will establish an accelerated test method to evaluate the chloride permeability of concrete mix design containing mineral admixtures.