Interpretation of Load Tests on Drilled Shafts—Part 1: Axial Compression

by Anwar Hirany, Hauskins & Beckwith Geotechnical, Engineers Inc, United States,
Fred H. Kulhawy, Hauskins & Beckwith Geotechnical, Engineers Inc, United States,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


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

Subject Headings: Load tests | Axial loads | Compression tests | Drilled shafts | Shafts | Compression | Comparative studies | Failure loads

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