Abrasion Resistance of Polyethylene Dredge Pipeby David R. Richards, US Army Engineer Waterways, Experiment Station, Hydraulics Lab, Vicksburg, MS, USA,
Abstract: In recent years there has been a slow but steady increase in the number of dredges using high density polyethylene (HDPE) pipe in discharge lines. HDPE's increased popularity is the result of material properties that make it ideal for many dredging applications. While the advantages of using HDPE are extensive, there are special requirements for its successful use which are quite different than conventional practices in rigid steel lines. Engineering design manuals are available from all of the reputable suppliers of HDPE. They address such topics as pressure ratings, anchoring, flotation, water hammer, and others. Most also provide engineering services for applications not specifically addressed in their manuals.
Subject Headings: Polyethylene | Dredging | Pipelines | Density (material) | Dredged materials | Load and resistance factor design
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