GEOTECHNICAL ENGINEERING AT THE SAVANNAH RIVER SITE AND BECHTEL

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The authors describe two aspects of geotechnical engineering; site characterization utilizing the CPT and recognition of aging as a factor affecting soil properties. These methods were pioneered by Professor Schmertmann and are practiced by the Bechtel Corporation in general and at the Savannah River Site in South Carolina, in particular. This paper describes a general subsurface exploration approach that we have developed over the years. It consists of ''phasing'' the investigation, employing the principles of the observational method suggested by Peck (1969) and others. In doing so, we have found that the recommendations proposed by Sowers in terms of borehole ... continued below

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Lewis, M; I. Arango, I & Michael Mchood, M July 17, 2007.

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The authors describe two aspects of geotechnical engineering; site characterization utilizing the CPT and recognition of aging as a factor affecting soil properties. These methods were pioneered by Professor Schmertmann and are practiced by the Bechtel Corporation in general and at the Savannah River Site in South Carolina, in particular. This paper describes a general subsurface exploration approach that we have developed over the years. It consists of ''phasing'' the investigation, employing the principles of the observational method suggested by Peck (1969) and others. In doing so, we have found that the recommendations proposed by Sowers in terms of borehole spacing and exploration cost, are reasonable for developing an investigation program, recognizing that through continuous review the final investigation program will evolve. At the SRS shallow subsurface soils are of Eocene and Miocene age. It was recognized that the age of these deposits would have a marked effect on their cyclic resistance. A field investigation and laboratory testing program was devised to measure and account for aging as it relates to the cyclic resistance of the site soils. Recently, a panel of experts (Youd et al., 2001) has made recommendations regarding the liquefaction assessment of soils. This paper will address some of those recommendations in the context of re-assessing the liquefaction resistance of the soils at the SRS. It will be shown that, indeed, aging plays a major role in the cyclic resistance of the soils at the SRS, and that aging should be accounted for in liquefaction potential assessments for soils older than Holocene age.

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  • Annual Meeting of ASCE Geo Institute

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  • Report No.: WSRC-STI-2007-00373
  • Grant Number: DE-AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 910932
  • Archival Resource Key: ark:/67531/metadc888218

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • July 17, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 2, 2016, 4:13 p.m.

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Lewis, M; I. Arango, I & Michael Mchood, M. GEOTECHNICAL ENGINEERING AT THE SAVANNAH RIVER SITE AND BECHTEL, article, July 17, 2007; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc888218/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.