Underwater Foundations for a Jack-up Barge

by Eldon L. Abbott, Parsons Brinckerhoff Quade &, Douglas Inc, United States,
Stephen J. George, Parsons Brinckerhoff Quade &, Douglas Inc, United States,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


Innovative underwater foundations were developed to provide a solid base for the legs of a large jack-up barge needed by General Dynamics to transport heavy components from Quonset Point, Rhode Island, where they are fabricated, to Groton, Connecticut, where assembly is completed. A deep layer of soft soils at the Quonset Point shoreline required either the construction of expensive deep foundations for the barge or the use of unconventional reinforced earth technique to improve the soft soil layer and support the barge loads. General Dynamics elected to go with the innovative reinforced earth solution. This is one of the first underwater applications of the soil reinforcement technique patented by the Reinforced Earth Company.

Subject Headings: Foundation settlement | Load bearing capacity | Offshore structures | Precast concrete | Caissons | Load factors | Prefabrication | Soil stabilization

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