Design and operation of an underwater pipeline trenching plough

• Published in: Géotechnique
• Main Authors: Palmer, A. C., Kenny, J. P., Perera, M. R., Reece, A. R.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Thomas Telford Ltd. 1979
• Subjects: Earth and Planetary Sciences (miscellaneous); Geotechnical Engineering and Engineering Geology; Arctic; Le Fond
• Online Access: http://dx.doi.org/10.1680/geot.1979.29.3.305; https://www.icevirtuallibrary.com/doi/pdf/10.1680/geot.1979.29.3.305

An underwater trench 1·5 m deep was required for a pipeline shore crossing in the Canadian Arctic. At the site the sea bottom is soft mud, and the trench would be close to its limit of stability. It was decided to excavate the trench with a large plough, built to a new design which would avoid the d...