Reliability of Pile Capacity Assessment by CPT in Overconsolidated Clay

by Michael W. O'Neill, Univ of Houston, Houston, TX, USA,



Document Type: Proceeding Paper

Part of: Use of In Situ Tests in Geotechnical Engineering

Abstract:

Correlations for unit skin friction and end bearing are established between cone penetration test (CPT) records, triaxial data and a small data base of measured skin friction and end bearing values for driven piles at a site consisting of layers of overconsolidated clay. Approximate relations between factors of safety and reliability for use with these correlations are established, including the effect of uncertainty in applied load.



Subject Headings: Penetration tests | Triaxial tests | Pile tests | Overconsolidated soils | Load bearing capacity | Clays | Skin friction | Load factors

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