Jet Grouting for Underpinning and Excavation Support

by George K. Burke, GKN Hayward Baker Inc, United States,
Lawrence F. Johnsen, GKN Hayward Baker Inc, United States,
Robert A. Heller, GKN Hayward Baker Inc, United States,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


Jet Grouting as a new tool for underpinning and excavation support is presented, describing the systems of Jet Grouting and its advantages over conventional underpinning techniques. A brief discussion is presented to describe the equipment components necessary and in which ground conditions Jet Grouting can be applied. A case history in New Haven is presented describing the engineering, construction, and quality control aspects of a highly successful project, which demonstrated the advantages of Jet Grouting over conventional underpinning for this site.

Subject Headings: Jet grouting | Underpinning | Excavation | Soil stabilization | Soil grouting | Case studies | Construction engineering | Construction sites

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