Ground Modification for a 14-Story Structure Over a Deep Peat Deposit

by Thomas P. Venema, GME Consultants Inc, United States,
C. R. Waletzko, GME Consultants Inc, United States,
Frank J. Swekosky, GME Consultants Inc, United States,



Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices

Abstract:

The foundation design and construction for a 14-story reinforced concrete office building northwest of Minneapolis is described. The building's geometry provided unusual foundation uplift forces. Evaluation of a pile foundation versus the ground modification techniques of Vibro-compaction/Vibro-replacement and spread footings is included. Removal of the peat and replacement of this organic soil with clean sand was used to support floor slab loads. Evaluation of the compacted soil was performed by the in-situ testing methods.

Subject Headings: Pile foundations | Compacted soils | Soil stabilization | Organic matter | Load bearing capacity | Foundation design | Soil classification | Minnesota | United States

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