This is supplementary information regarding Full-Depth Reclamation (FDR) with a stabilizing agent (i.e. - asphalt emulsion, Class C or F fly ash, Portland Cement, kiln dust, etc.). If there is the potential to get into the fatty clay while reclaiming, then mineral admixtures should be used...
We have experienced similar problems with poorly backfilled sanitary sewer trenches. The repair practice to-date has consisted of repeatedly leveling the settled areas with compacted asphalt materials (i.e. - cold patch, PermaPatch, hotmix, etc.). Patch thicknesses are typically 1- to...
It would help us if you converted the ADT to a design axle [i.e. - such as the industry standard 18,000 pound equivalent single axle load (ESAL)] since 5,000 cars and 5,000 tandem axle trucks will have a bearing on your pavement behavior and eventual solution.
Undercutting and replacing with...