Avalanche net

For other types of snow barrier devices, see snow barrier (disambiguation).

Avalanche nets (snow avalanche protection nets, snow nets) are flexible snow supporting structures for avalanche control, constructed of steel or nylon cables or straps held by steel poles, optionally supplied with compression anchors downhill. They are installed in the upper parts of potential avalanche paths to prevent snow from starting to slide into an avalanche, or to retard the slide.[1]

Snow avalanche nets have the following advantages compared to rigid supporting structures (snow fences, snow racks, snow sheds):

Avalanche nets have some drawbacks:

See also

References

  1. "Mitigation and Land Use - Avalanches" Archived September 17, 2006, at the Wayback Machine., Colorado Geological Survey
  2. Nets are less damaged by rocks because their flexible structure dissipates the kinetic energy of falling rocks, see "Protective barrier, in particular for mountainous places", patent description
  3. "Snow-supporting structures in permafrost"
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