Evaluation and Monitoring of Pile Performance Using Dynamic Measurements in Supporting Offshore Structures

by W. Virgil Ping, FAMU/FSU College of Engineering, Tallahassee, United States,
Gary E. Locke, FAMU/FSU College of Engineering, Tallahassee, United States,



Document Type: Proceeding Paper

Part of: Design and Performance of Deep Foundations: Piles and Piers in Soil and Soft Rock

Abstract:

The installation of offshore platforms into deeper waters and new environments is accompanied by an increasing uncertainty in the structure response, foundation design and performance. Among uncertainties associated with geotechnical aspects of the construction of fixed offshore platforms, piling installation is the most crucial one. This paper summarizes experience with the dynamic measurements in monitoring and evaluating offshore pile performance. A methodology for monitoring and subsequent evaluation of hammer-pile-soil interaction is introduced by incorporating dynamic measurements and wave equation analysis. Practical experience gained from the past is presented to illustrate the usage of the methodology.

Subject Headings: Offshore structures | Wave equations | Pile foundations | Underwater foundations | Underwater structures | Structural dynamics | Soil-structure interaction

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