Embedment Anchors Subjected to Repeated Loading

by Andreas Andreadis,
Eldon Burley,
Roger C. Harvey,

Serial Information: Journal of the Geotechnical Engineering Division, 1978, Vol. 104, Issue 7, Pg. 1033-1036

Document Type: Journal Paper


As ocean operations and construction have expanded and moved into deeper waters, the need for development of high capacity, reliable anchor systems for long-term moorings has emerged. Embedment anchor systems, which may be used to moor surface vessels or buoys, as well as semi submersible or submerged structures, are subjected to a combination of sustained and repeated loads that will vary with the tautness of the mooring system and the nature of the ocean wave action. Previous research, as well as experience with land solids, has indicated that the response of soils to repeated loading or to sustained-repeated loading combinations may be more critical than that due to sustained loads of the same magnitude. Therefore, in designing embedment anchor systems for long-term use, a reliable method to estimate the effects of repeated loading on the holding capacity of the anchorage, must be provided.

Subject Headings: Load combinations | System reliability | Mooring | Ocean waves | Critical loads | Embedment | Anchors | Repeated loads

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