... culverts and other buried structures typically are not inspected as frequently as above-ground structures such as bridges, the proper assessment and determination of their service life becomes very important. The design service life of corrugated high density polyethylene (HDPE) drainage pipe has been...

... that will allow the user to design piping systems for a desired service life with more accuracy than simply specifying hydrostatic design basis rated resins. stress cracking HDPE test protocol corrugated polyethylene pipe service life fracture mechanics notch ring compression test stress crack...

... A flexible membrane liner has been proposed to line a concrete vault in which liquid low-level radioactive waste will be solidified. High-density polyethylene (HDPE) and polypropylene liners were tested at the Pacific Northwest Laboratory in an EPA method 9090 format to determine their chemical...

... and appear to have been similarly affected by the aggressive chemical environment. analytical techniques polyethylene nitric acid degradation HDPE LMDPE DSC TG IR Louis G. Tisinger ~and Charles E. Carraher, Jr. 2 Nitric Acid Induced Degradation of High Density and Linear Medium Density...