Evaluating the Effects of Frost Heave on the Feasibility of Compliance with Existing Walkway Accessibity Standards

Existing American standards specify criteria for maximum walkway running and cross-slope. Many regions of the United States experience seasonal weather changes. Winter snow can cause frost heave of concrete that can change the slope of concrete sections throughout the year. The current study evaluates the extent of these seasonal changes on walkway slope. The findings indicate that the fluctuation of running and cross-slope makes it impossible to comply year-round with existing standards.