Archive

Bank Protection Measures Evaluation

Ayres was retained to perform research and produce guidelines for practitioners on the appropriate selection, design, installation, and maintenance of environmentally sensitive streambank stabilization and protection measures. The research concentrated on the use of willow plantings to stabilize banks. As part of the Transportation Research Board’s National Cooperative Highway Research Program (NCHRP), Ayres conducted laboratory… Read More »

Installation of Scour Filter Systems

Current technical guidance on river scour and erosion control countermeasure design includes recommendations for either a granular or geotextile filter beneath countermeasures consisting of armoring materials. However, there has been little guidance on installation techniques for placing the filter underwater. The Transportation Research Board’s National Cooperative Highway Research Program Project 24-42 developed specific guidance for… Read More »