Problem
Currently, the use of pre-treatment options such as liquid brine is rare before a winter storm that begins with rainfall because the rain will wash away the brine before it can serve its purpose. However, by experimenting with various materials and differing mixture proportions, and altering spread rates, options may be available to effectively counter the effects of snow storms with preceding rainfall. Research recommendations can be used to inform the decision-making of state departments of transportation (DOTs), municipalities and other winter maintenance practitioners when choosing a pre-treatment option for winter events that begin with rain.
Objective
The goal of this project is to evaluate pre-treatment options to determine their ability to effectively withstand rainfall through experimentation with five of the most common deicing materials in use. This research will document the effectiveness of these five materials, mixed-in varying proportions and application rates, to determine their effectiveness.
Expected Results
Study results will provide a reference guide that details recommendations regarding the use of materials, mixtures, and application rates when rain is forecasted to precede a winter storm.