The Sand Mattress Method of Slope Protection

by Craig B. Leidersdorf, Tekmarine Inc, Sierra Madre, CA, USA,
Chris C. Butcher, Tekmarine Inc, Sierra Madre, CA, USA,



Document Type: Proceeding Paper

Part of: Civil Engineering in the Arctic Offshore

Abstract: The sand mattress concept offers promise as an economical alternative to sand bag armor for two distinct applications: (1) slope protection for exploratory islands and/or causeway facilities, and (2) toe protection for steep-walled caisson structures. Based upon previous experience in Japan and the results of a prototype field test conducted at Venice Beach, California, recommendations for implementing the concept in the Arctic are presented. It is concluded that the technology is feasible for immediate use in the Arctic, that the hydraulic filling techniques developed in Japan are efficient and reliable, and that particular care must be exercised in the design and implementation of inter-mat connections.

Subject Headings: Sandy soils | Hydraulic structures | Slopes | Offshore structures | Hydraulic design | Water waves | Connections (structural) | Structural reliability | Field tests | Arctic | Japan | Asia | Venice | California | Italy | Europe | United States

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