Soil Resistances to Embedded Anchor Chain in Soft Clay
Publication: Journal of Geotechnical Engineering
Volume 115, Issue 10
Abstract
This paper presents a method to calculate the chain tension at the anchor point and the chain configuration inside the soil for an anchoring system consisting of a pile with an embedded connection between the anchor pile and the mooring chain. Employing the incremental‐integration technique, the equilibrium equations of the embedded chain are derived and a solution procedure is proposed. In the mathematical model, the soil resistances to the chain are calculated on the basis of available soil models for estimating the bearing and sliding resistances on a strip foundation in clay. The effective widths of the chain to be used in the calculation of soil resistances in bearing and friction have been determined from a number of laboratory tests carried out on 6.4 mm, 9.5 mm, and 16 mm chains in soft clay, and a recommendation is made in this respect. A practical application of the method demonstrates the optimization of the design that can be obtained.
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References
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Dutta, A. (1986). “Analysis of anchor pile‐chain system with embedded anchor point.” Proc., 3rd Indian Conf. on Ocean Engrg., Bombay, India, Vol. I, B‐335–B‐348.
2.
Dutta, A. (1988). “A simple method of analysing mooring chains with embedded anchor point.” J. Offshore Mech. and Arctic Engrg., American Society of Mech. Engrg., 110, 71–73.
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Vivatrat, V., Valent, P. J., and Ponterio, A. A. (1982). “The influence of chain friction on anchor pile design.” Proc., 14th Annual Offshore Tech. Conf., Paper 4178, Houston, Tex., 153–163.
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Yen, B. C., and Tofani, G. D. (1984). “Soil resistance to stud link chain.” Proc., 16th Annual Offshore Tech. Conf., Paper 4769, Houston, Tex., 479–488.
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Published In
Journal of Geotechnical Engineering
Volume 115 • Issue 10 • October 1989
Pages: 1420 - 1438
Copyright
Copyright © 1989 ASCE.
History
Published online: Oct 1, 1989
Published in print: Oct 1989
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