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Site Characterization of Yorktown Formation for New Accelerator

by Paul W. Mayne, Cornell Univ, United States,



Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices

Abstract:

The design of a new 1700-m long continuous-wave electron beam accelerator facility (CEBAF) in Newport News, Virginia demanded an extensive geotechnical exploration program be conducted due to concern over equipment sensitivity to foundation settlements. The site is underlain by 7 meters of highly variable sands, silts, and clays with peat of the Norfolk Formation which overlie a very sandy sensitive marine clay known as the Yorktown Formation. The field testing program included: standard penetration tests, mechanical cone soundings, dilatometers, field vanes, and piezocones.

Subject Headings: Penetration tests | Consolidated soils | Clays | Field tests | Soil dilatancy | Water pressure | Sandy soils | Virginia | United States

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