Jet Grouting for Underpinning and Excavation Supportby 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,
Abstract: 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 | Case studies | Construction sites | Soil grouting | History and Heritage
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