Reliability of mooring dolphin structures: An insight into partial safety factors

R. El-Bordany, M. El-Meligy, A. Haldar

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

The steel-pile-soil-system as a mooring dolphin structure is an important element of marine structures. However, the reliability of this system is very difficult to predict due to inherent uncertainties in the marine environment. The objective of this paper is twofold; (i) to investigate the influences of several sources of uncertainties on different limit states of a steel-pile-soil mooring dolphin under axial and lateral loading conditions and (ii) to suggest partial safety factors required for the codified design. In doing so, the response surface method, RSM is used in reliability analysis. A grid of sampling response points is obtained from a realistic built up NLFEM. Then, this grid is used to formulate a response function equivalent to the implicit limit state function With the help of realistic examples, the most important random variables and limit state are identified. For routine design, partial safety factors are proposed.

Original languageEnglish (US)
Title of host publicationProceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering
Subtitle of host publicationThe Academia and Practice of Geotechnical Engineering
Pages1293-1296
Number of pages4
DOIs
StatePublished - Dec 1 2009
Event17th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2009 - Alexandria, Egypt
Duration: Oct 5 2009Oct 9 2009

Publication series

NameProceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering: The Academia and Practice of Geotechnical Engineering
Volume2

Other

Other17th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2009
CountryEgypt
CityAlexandria
Period10/5/0910/9/09

Keywords

  • Reliability analysis. Partial safety factors
  • Response surface method
  • Soil-structure interaction
  • Steel-pile-soil-system

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology

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    El-Bordany, R., El-Meligy, M., & Haldar, A. (2009). Reliability of mooring dolphin structures: An insight into partial safety factors. In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering: The Academia and Practice of Geotechnical Engineering (pp. 1293-1296). (Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering: The Academia and Practice of Geotechnical Engineering; Vol. 2). https://doi.org/10.3233/978-1-60750-031-5-1293