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Small Scale Model Tests of Ice Gouge in Soft Sandy Silt

[+] Author Affiliations
Ingar Stava, Per R. Nystro̸m, Normann Vikse

IKM Ocean Design AS, Stavanger, Norway

Ove T. Gudmestad

StatoilHydro; University of Stavanger, Stavanger, Norway

Pavel Liferov

StatoilHydro, Trondheim, Norway

John Gro̸nli

University of Stavanger, Stavanger, Norway

Paper No. OMAE2008-57086, pp. 891-900; 10 pages
doi:10.1115/OMAE2008-57086
From:
  • ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering
  • Volume 3: Pipeline and Riser Technology; Ocean Space Utilization
  • Estoril, Portugal, June 15–20, 2008
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4820-3 | eISBN: 0-7918-3821-8
  • Copyright © 2008 by ASME

abstract

Small scale gouge tests were designed and executed at the University of Stavanger in Norway as a part of master thesis work. A box (2.5 × 2.5 m) was filled with soft sandy silt and several gouge tests were performed. The subgouge soil deformations, the soil mound dimensions and the ratio between initial and residual gouge depth were measured under varying gouge parameters. Vaneshear and T-bar tests were used to estimate soil properties. A pipe segment was buried under the gouge and strains in the pipe were monitored in some of the tests. Test results are presented in this paper, including FE simulations of some of the performed experiments.

Copyright © 2008 by ASME
Topics: Chisels , Ice

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