Polyethylene plate for use as replacement of reinforced concrete flagstone for protection of buried pipeline, has perforations distributed along surface of plate, where plate has specific thickness to ensure distribution of load in pipeline

摘要

The plate has perforations of 20 mm in diameter distributed along a surface of the plate. An anti-slipping adhesive is provided for attachment of the plate to a buried pipeline, where the thickness of the plate is 25 mm for ensuring distribution of load in the buried pipeline.