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Soil-Rock Transition Zone: Uncertainties for Design and Construction

by R. E. Smith, Woodward-Clyde Consultants, United States,
M. A. Gabr, Woodward-Clyde Consultants, United States,
J. R. Kula, Woodward-Clyde Consultants, United States,



Document Type: Proceeding Paper

Part of: Detection of and Construction at the Soil/Rock Interface

Abstract:

This paper addresses the problem of establishing definitions of the soil-rock boundary with regard to different engineering applications in the Piedmont geologic provinces. Three engineering situations illustrating criteria adopted for definition of soil-rock interface are presented. The present engineering state-of-the-knowledge to form such definitions in the Piedmont weathered profiles is inadequate. The construction industry would be best served by a clear delegation of risks and rewards of predicting excavatability to the contractor.

Subject Headings: Underground construction | Terminology and definition | Subsurface investigation | Rocks | Industrial facilities | Geology | Foundation design

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