Helical Bearing Plate Foundations for Underpinning

by Stan Rupiper,
William G. Edwards,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


Helical anchor foundations have been used in construction to provide resistance against uplift and compressive loading for structures such as transmission towers, tied walls, pipelines, and offshore structures. The paper covers the methods used to determine the load requirements, the theoretical design of the helical foundations for the specific soils and the techniques used to install the helical foundations in confined areas. Test methods and test data from an actual test of a helical foundation is included in this paper.

Subject Headings: Offshore structures | Foundation design | Plates | Foundations | Underpinning | Soil strength | Offshore construction | Load factors

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