Caissons in Uplift in Sandy Soils

by George H. Glos, III, Arizona Public Service Co, United States,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


This paper describes the results of 10 full scale pullout tests conducted on short rigid caissons. Diameters ranged from 30 to 34 inches (760 to 860 mm) and lengths from 7 to 10 feet (2.1 to 3.1 m). Caissons were subjected to a maximum 200 kip (890 N) uplift force inclined at a 12.5 degree angle to the vertical. Materials tested ranged from clean to silty or clayey sand or gravel. A tentative correlation between standard penetration resistance and skin friction was developed.

Subject Headings: Caissons | Uplifting behavior | Sandy soils | Penetration tests | Load tests | Clays | Skin friction | Lateral loads

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