Mark P. Mitsch, Samuel P. Clemence

Research output: Chapter in Book/Report/Conference proceedingConference contribution

98 Scopus citations


Results of field and laboratory investigations of the uplift capacity of helix anchors in sand are presented. Equipment and instrumentation were used to measure uplift load, anchor deflection and sand surface deflections. Instrumentation was also used in the laboratory tests to monitor movements within the soil mass during uplift loading. The experimental results indicate that a cylindrical soil failure surface develops below the top helical shaped plate during pullout. Above the top plate the failure surface is dependent on depth of anchor embedment. Anchor installation and soil relative density also influence failure surface development. A method for estimating uplift capacity based on results of laboratory study and generally accepted soil mechanics principles is presented.

Original languageEnglish (US)
Title of host publicationUnknown Host Publication Title
EditorsSamuel P. Clemence
PublisherAmerican Society of Civil Engineers (ASCE)
Number of pages22
ISBN (Print)087262496X
StatePublished - Dec 1 1985

ASJC Scopus subject areas

  • Engineering(all)

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