Observations on Load Tests for Drilled Shafts

by T. D. O'Rourke, Cornell Univ, Ithaca, NY, USA,
Fred H. Kulhawy, Cornell Univ, Ithaca, NY, USA,

Document Type: Proceeding Paper

Part of: Drilled Piers and Caissons II


This paper focuses on three specific areas pertaining to load tests for drilled shafts: 1) basic considerations and load testing procedures, 2) interpretation of uplift load test information, and 3) construction influences on foundation performance. The paper covers both compression and uplift load tests, with special attention to uplift. Field test data are used to compare different methods of interpretation and show the effects of construction procedure on test results.

Subject Headings: Load tests | Field tests | Load factors | Drilled shafts | Shafts | Foundation construction | Soil tests | Load bearing capacity

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