An Alternative Approach

by Andrew F. Brengola, P.E., Area Mgr.; Hayward Baker, Inc., Burlington, MA,
Bradford W. Roberts, P.E., Assoc. Prin.; GZA GeoEnvironmental, Inc., Norwood, MA,

Serial Information: Civil Engineering—ASCE, 2003, Vol. 73, Issue 6, Pg. 76-83

Document Type: Feature article


An innovative foundation system at a Virginia power plant relies on columns constructed via jet grouting to support elevated units that reduce pollution. The approach required less drilling, excavation support, and underpinning than would have been necessary as part of an earlier micropile design.

Subject Headings: Power plants | Underpinning | Pollution | Micro piles | Jet grouting | Innovation | Foundations

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