Investigation into the effect of plough share leading edge geometry on cable plough performance

Hidetake Matsui, Scott Robinson, Michael Brown, Andrew Brennan, Charles Augarde, William M. Coombs

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Abstract

Cable ploughing is one of the most common means by which subsea cables are buried. Prediction of the cable plough behaviour is important and has the potential to reduce installation costs for offshore renewables. Prediction of tow force and final burial depth is a key factor in choosing appropriate installation equipment and estimating progress rates and the duration of construction. These predictions are currently made using semi-empirical models which create difficulties when attempting to optimise plough designs or predicting plough response in soil conditions which have not previously been experienced. To overcome this issue, the University of Dundee and Durham University, UK are carrying out a project to improve estimation of plough behaviour using small scale physical model testing and Material Point Method numerical analysis. This paper focuses on an effect of plough share leading edge geometry on tow force and final embedment depth based upon small scale model test using model plough shares with different leading edge inclinations. Tests were undertaken in sand at two different relative densities.
Original languageEnglish
Number of pages4
Publication statusPublished - 14 Oct 2019
Event16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering - Taipei, Taiwan, Province of China
Duration: 14 Oct 201918 Oct 2019
http://www.16arc.org/About16thARC.html

Conference

Conference16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering
CountryTaiwan, Province of China
CityTaipei
Period14/10/1918/10/19
Internet address

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Keywords

  • cable plough
  • offshore engineering
  • RENEWABLE ENERGY
  • Physical modelling
  • offshore wind energy
  • tow force
  • subsea cable

Cite this

Matsui, H., Robinson, S., Brown, M., Brennan, A., Augarde, C., & Coombs, W. M. (2019). Investigation into the effect of plough share leading edge geometry on cable plough performance. Paper presented at 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering , Taipei, Taiwan, Province of China.