Why Pipe Drains Sometimes Fail and How PCD is Different
Dr. Ed McCoy Ohio State University There are several reasons why a clay tile or perforated pipe drainage system may fail. These reasons include 1) sedimentation within the pipe itself, 2) filter-caking of a geotextile envelope, 3) sealing of drains with ochre, and 4) crushing or flattening of the drain. This article offers an explanation…