Published in 1979
The report summarizes some five years of studies on the highly expensive sidewalk undermining problem which plagues the Northern Virginia area. Included are studies of sidewalk replacement techniques, of the soils and geometric conditions contributing to undermining, and of the methods of ensuring that newly constructed sidewalks will be free of undermining. A series of recommendations directed at the development of revised construction specifications and design standards are included.
Last updated: January 26, 2024