UPLIFT CAPACITY OF SMALL-DIAMETER DRILLED SHAFTS FROM IN SITU TESTS

Drilled shafts are being used increasingly to resist axial uplift loads. In this technical paper, the authors predict and compare the ultimate uplift capacity of six small-diameter drilled shafts installed in cohesive soil with pullout tests conducted to failure. Borehole shear tests and prebored pressuremeter tests were used in combination to predict pull-out capacity. The authors chose these tests because of their simplicity, suitability to the soil conditions at the site, and their ability to provide appropriate design parameters. A summary of the site soil conditions, results of the in situ tests, a description of the installation and uplift testing of the shafts, and a comparison between predicted and observed ultimate uplift capacity are presented.

• Availability:
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• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Lutenegger, A J
  • Miller, G A
• Publication Date: 1994-8

Language

• English

Media Info

• Features: Appendices; Figures; References; Tables;
• Pagination: p. 1362-80
• Serial:
  • Journal of Geotechnical Engineering
  • Volume: 120
  • Issue Number: 8
  • Publisher: American Society of Civil Engineers
  • ISSN: 0733-9410

Subject/Index Terms

• TRT Terms: Alternatives analysis; Cohesive soils; Field tests; Pressure gages; Pull out test; Shear tests; Soils; Uplift pressure
• Uncontrolled Terms: Drilled shafts; Parameters; Soil conditions
• Subject Areas: Geotechnology; Highways; I42: Soil Mechanics;

Filing Info

• Accession Number: 00665992
• Record Type: Publication
• Files: TRIS
• Created Date: Sep 10 1994 12:00AM