TECHNICAL PAPERS
Sep 13, 2002

Reliability Assessment of Pile Groups in Sands

Publication: Journal of Structural Engineering
Volume 128, Issue 10

Abstract

A probability-based reliability assessment methodology for single flexible piles and pile groups under stochastic lateral loads is developed. The methodology was based on state-of-the-art techniques for the analysis of single piles and pile groups as well as reliability assessment methods. Critical strength and serviceability modes of failure for flexible piles in sandy soil under lateral loads were defined. The reliability of a pile-group system was assessed by accounting for system redundancy with the occurrence of partial failures of the system components. Reliability indices and failure probabilities were used as relative measures for the performance of piles. A case study was presented to illustrate the proposed methodology.

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References

Ayyub, B. M., Chao, R.-J., Patev, R. C., and Leggett, M. A. (1996). “Reliability and stability assessment of concrete gravity structures (RCSLIDE).” Report for contract DACW39-95-K-0026 and DACW39-96-K-0046, WES, USACE, Vicksburg, Miss.
Ayyub. B., Eloseily, K., Patev R., and Leggett M. A. (1997). “Reliability assessment of pile group (RCPGA).” DACW39-96-K-0046, WES, U.S. Army Corps of Engineers (USACE), Vicksburg, Miss.
Ayyub, B.M., and McCuen, R.H. (1997). Probability, statistics and reliability for engineers, CRC, Boca Raton, Fla.
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Published In

Go to Journal of Structural Engineering
Journal of Structural Engineering
Volume 128Issue 10October 2002
Pages: 1346 - 1353

History

Received: Nov 21, 2000
Accepted: Jun 8, 2001
Published online: Sep 13, 2002
Published in print: Oct 2002

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Authors

Affiliations

Khaled H. Eloseily
Bechtel Corporation, Facility Staff Design, 5275 Westview Dr., Frederick, MD 21703.
Bilal M. Ayyub, F.ASCE
Professor and Director, Center of Technology and System Management, Dept. of Civil Engineering, Univ. of Maryland, College Park, MD 20742.
Robert Patev
Information Technology Lab, Waterways Experiment Station, U.S. Army Corps of Engineers, Vicksburg, MS 39183.

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