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PMM (Polymeric Marine Mattress)

The PMM (Polymeric Marine Mattress) is an integrally formed grid structure manufactured of a stress resistant copolymer polypropylene material that is then filled with stone. PMM (Polymeric Marine Mattresses) were developed for erosion control and submerged foundation applications, including the following:

  • Foundations for breakwater, jetties, groins and dikes
  • Pipeline protection
  • Riverbank protection, channel linings and bridge scour abatement
  • Scour protection
  • Shoreline revetments, retaining walls, and embankment stabilization

Benefits of using PMM (Polymeric Marine Mattresses) include:

  • Durability and long-term tensile capacity
  • Monolithic high mass and porosity
  • Flexibility and hydraulic characteristics
  • Energy dissipation characteristics
  • Sensitivity to wave run-up or reflection

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