Interpretation of Load Tests on Drilled Shafts—Part 2: Axial Uplift

by Fred H. Kulhawy, Cornell Univ, United States,
Anwar Hirany, Cornell Univ, United States,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


Existing interpretation methods for axial uplift load tests are reviewed critically, and a qualitative and quantitative comparison is made for selected methods. A new method, which fulfills most of the basic requirements of an acceptable interpretation method, is proposed for interpreting static axial uplift load test results on straight-sided drilled shafts. A quantitative comparison of the proposed method with selected existing methods is given.

Subject Headings: Axial loads | Comparative studies | Failure loads | Load tests | Load bearing capacity | Critical loads | Uplifting behavior | Drilled shafts

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