Waterfront Stabilization Project, Kaktovik, Alaska

by Scott Hattenburg, LCMF Ltd, Anchorage, AK, USA,
James S. Dransfield, LCMF Ltd, Anchorage, AK, USA,
Alvin R. Zeman, LCMF Ltd, Anchorage, AK, USA,

Document Type: Proceeding Paper

Part of: Cold Regions Engineering


This paper discusses an innovative 384-foot treated-timber cribwall design utilized to control rapidly accelerating thermal erosion and establish a roadway along the bluff on the Beaufort Sea's Kaktovik Lagoon. The Arctic design incorporated a 384-foot timber cribwall built on a 3-foot deep, frozen, compacted gravel base over high strength soil support fabric. The base of the cribwall, and the underlying gravel base were imbedded in the permafrost up to 8-feet below seal level. This particular cold region application was made in marginal foundation and construction conditions.

Subject Headings: Compacted soils | Foundation construction | Cold region construction | Soil treatment | Soil strength | Gravels | Wood preservatives | Alaska | United States | Arctic

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