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Hesselberg Hydro

Lean Sand Asphalt

Structure and Properties

  • A greatly under filled mixture of sand and bitumen (4% of volume) with or without filler.
  • Permeability is similar to the original sand.
  • As workable as sand when hot.
  • Cools to form bound material resistant to erosion and wash out.
  • Can be placed above or below water

Applications

  • A 3-D filter layer.
  • Regulation of uneven surfaces.
  • Filling small voids and cavities.
  • Core material for reclamation bunds.
  • Scour protection.
  • Easy to store and place so suitable for emergency measures.