Waterfront Stabilization Project, Kaktovik, Alaskaby Scott Hattenburg, LCMF Ltd, Anchorage, AK, USA,
James S. Dransfield, LCMF Ltd, Anchorage, AK, USA,
Alvin R. Zeman, LCMF Ltd, Anchorage, AK, USA,
Abstract: 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 | Soil treatment | Soil strength | Gravels | Cold region construction | Erosion | Highway and road design | North America | Alaska | United States | Arctic | Beaufort Sea
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