Confidential Reports

The following are principally confidential consultancy reports. For some reports the confidentiality period has expired and the contents are now publically available. Please contact G.T. Houlsby for details.

  1. Houlsby, G.T. (14 December 1982)
    "Bearing Capacity Analysis by Method of Characteristics: Final Report 1: Smooth and Rough Plane Strain and Axi-Symmetric Footings Under Axial Loads",
    Report to Norwegian Geotechnical Institute
  2. Houlsby, G.T. (6 January 1983)
    "Bearing Capacity Analysis by Method of Characteristics: Final Report 2: Plane Strain and Footings Under Inclined Loads",
    Report to Norwegian Geotechnical Institute
  3. Houlsby, G.T. (February 1984)
    "Foundation Fixity of Spudcan Footings",
    Report to Noble Denton and Associates Ltd.
  4. Houlsby, G.T. (November 1985)
    "The Frictional Capacity of the Inner Surface of a Hollow Pile in Sand",
    Report to BP International
  5. Houlsby, G.T. (August 1987)
    "Hakuryu 9 Jack-up Unit - Offshore Calcutta: Assessment of Foundation Stability",
    Report to Noble Denton International Ltd.
  6. Houlsby, G.T. and de Santa Maria, P.E.L. (December 1987)
    "Model Studies of Cyclic Combined Loading of Jack-up Foundations",
    Report to Marine Technology Directorate and Shell Expro
  7. Burd, H.J., Houlsby, G.T. and Wroth, C.P. (25February 1988)
    "ETSU Barrage Study: Report on Computations Carried out Using the Method of Characteristics and Finite Elements, Phase 1",
    Report to Rendell Palmer and Tritton
  8. Houlsby, G.T. (April 1989)
    "Review of RATZ",
    Report to Woodside Offshore Petroleum
  9. Houlsby, G.T. and Burd, H.J. (11 August 1989)
    "Bearing Capacity of the Piper Bravo Mudmat: Report on Numerical Analysis",
    Report to Fugro McClelland Ltd.
  10. Houlsby, G.T. (September 1990)
    "Assessment of Site Investigation Data and Offshore Platform Foundation Design",
    Report to Earl and Wright
  11. Houlsby, G.T. (April 1991)
    "Great Man-Made River Project - Phase 1, SSTB Sarir and Tazerbo Wellfields: Sarir Well Failures, Tensile Stresses in Well Screens at Sarir",
    Report to Great Man-Made River Authority, Libya
  12. Houlsby, G.T. (September 1992)
    "Pile Group Effect Study",
    Report to TL Geotechnics, Singapore
  13. Houlsby, G.T. (October 1992)
    "Pile Group Effect Study",
    Report to TL Geotechnics, Singapore
  14. Burd, H.J., Houlsby, G.T. and Brocklehurst, C.J. (February 1993)
    "Analysis of the Use of Membranes in Tank Bases",
    Report to BP Engineering
  15. Houlsby, G.T. (1993)
    "Measurement of Friction on Wellscreens: Report of Experiments at Oxford University",
    Report to Great Man-Made River Authority, Libya
  16. Houlsby, G.T. (June 1993)
    "Friction on Wellscreens at Sarir: Estimates of Most Probable Loads",
    Report to Great Man-Made River Authority, Libya
  17. Houlsby, G.T. (July 1993)
    "Tension in Wellscreens at Sarir: Response to Claimant's Rebuttal of New Materials and Documents Submitted by Respondent",
    Report to Great Man-Made River Authority, Libya
  18. Houlsby, G.T. (December 1993)
    "GMRP Phase 1 SSTB New Wells, GRP Well Casing and Screen Design, Axial Forces and Radial Stresses in Casing",
    Report to Great Man-Made River Authority, Libya
  19. Houlsby, G.T. (January 1995)
    "Sleipner Vest Project: Detail Engineering and Procurement: Geotechnical Model Testing of Plated Foundations on Sand",
    Report to Kvaerner Engineering (3 volumes), (Subcontract Order 9147-P01-02, KEW Report No. CO34-A-N-RE-011)
  20. Houlsby, G.T. (November 1995)
    "Calibration of the CPT in Hydraulic Fill for the Cardiff Bay Barrage",
    Report to Balfour Beatty Costain (Cardiff Bay Barrage) Joint Venture
  21. Houlsby, G.T. (September 1996)
    "Seabed Debris Soils Resistance Testing",
    Report to the Platform Abandonment Technology Consortium
  22. Houlsby, G.T. (December 1996)
    "Geotechnical Properties of Limestone in the Tunnel Trench at the Øresund Crossing Project",
    Report to Øresund Marine Joint Venture, Denmark
  23. Houlsby, G.T. (December 1996)
    "Geotechnical Properties of Limestone in the Tunnel Trench at the Øresund Crossing Project: Report on DGI Technical Notes 1 and 5",
    Report to Øresund Marine Joint Venture, Denmark
  24. Houlsby, G.T. (July 1997)
    "Uplift of Submarine Pipelines after Backfilling of Trenches",
    Report to SAGE Engineering S.A./N.V., Belgium
  25. Houlsby, G.T. (February 1999)
    "Interface Friction on Submarine Pipeline Coatings",
    Report to SAGE Engineering S.A./N.V., Belgium
  26. Houlsby, G.T. (30 June 1999)
    "Suction Caisson Foundations for Minimum Facility Platforms in the Southern North Sea",
    Report to ODB Global Consultants Limited
    Supplementary report, 2 November 1999
  27. Houlsby, G.T. (14 November 2001)
    "TPG500 Jack-up Rig: GCA Beta Field, Caspian Sea",
    Report to BP Exploration
  28. Byrne, B.W. and Houlsby, G.T. (July 2002)
    "Preliminary Calculations for Sizing of Caisson Foundations",
    Report to SLP Ltd.
  29. Houlsby, G.T. (26 July 2002)
    "TPG500 Jack-up Rig: Shah Deniz, Caspian Sea",
    Report to BP Exploration
  30. Bittencourt, C., Dahlberg, R., Mallett, C. and Houlsby, G.T. (March 2003)
    "Enertrag UK Ltd v. Sea & Land Power and Energy Ltd",
    Experts' Joint Statement to The High Court of Jus/li>
  31. Houlsby, G.T. (March 2003)
    "Enertrag UK Ltd v. Sea & Land Power and Energy Ltd: Attempted Installation of Meteorology Mast Offshore Cromer Using the Jack-up Barge Wijslift 6",
    Report to SLP Ltd. /li>
  32. Houlsby, G.T. (February 2003)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Technology Revew, Objectives, Works and Schedule for Activity (c); Numerical Model Building",
    Document Number FOT007/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11011, Future Energy Solutions
  33. Villalobos, F., Byrne, B.W., Houlsby, G.T. and Martin, C.M. (April 2003)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Bearing capacity tests of scale suction caisson footings on sand: Experimental Data",
    Document Number FOT005/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11015, Future Energy Solutions
  34. Villalobos, F., Byrne, B.W., Houlsby, G.T. and Martin, C.M. (October 2003)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Moment loading tests of scale suction caisson footings on sand: Experimental data",
    Document Number FOT015/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11037, Future Energy Solutions
  35. Kelly, R.B., Byrne, B.W., Houlsby, G.T. and Martin, C.M. (December 2003)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Vertical loading tests in a pressurised chamber: Phase one experimental data",
    Document Number FOT016/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11038, Future Energy Solutions
  36. Byrne, B.W., Kelly, R.B., Houlsby, G.T., Martin, C.M. and Villalobos, F. (December 2003)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Theoretical Modelling of Foundation Response: Interim report on laboratory testing",
    Document Number FOT017/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11041, Future Energy Solutions
  37. Houlsby, G.T. (December 2003)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Theoretical Modelling of Foundation Response: Specification of the ISIS Foundation Code",
    Document Number FOT018/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11040, Future Energy Solutions <
  38. Houlsby, G.T., Kelly, R.B, Huxtable, J. and Byrne, B.W. (May 2004)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Field Trials of Suction Caissons in Clay for Offshore Wind Turbine Foundations",
    Document 0216-G-RP-S-11049, Future Energy Solutions
  39. Kelly, R.B., Byrne, B.W., Houlsby, G.T. and Martin, C.M. (May 2004)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Theoretical Modelling of Foundation Response: Vertical loading tests in a pressurised chamber: Phase two experimental data",
    Document Number FOT019/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11054, Future Energy Solutions
  40. Houlsby, G.T., Kelly, R.B, Huxtable, J. and Byrne, B.W. (November 2004)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Field Trials of Suction Caissons in Sand for Offshore Wind Turbine Foundations",
    Document 0216-G-RP-S-11065, Future Energy Solutions
  41. Villalobos, F., Byrne, B.W., Houlsby, G.T. and Martin, C.M. (February 2005)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Cyclic moment loading tests of suction caisson footings on sand: Experimental data",
    Document Number FOT020/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11066, Future Energy Solutions
  42. Villalobos, F., Byrne, B.W., Houlsby, G.T. and Martin, C.M. (February 2005)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Moment loading tests of suction installed and pushed installed caissons in sand: Experimental data",
    Document Number FOT021/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11072, Future Energy Solutions
  43. Houlsby, G.T. (February 2005)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Numerical Simulations of Suction Caissons Using the ISIS Code",
    Document Number FOT023/1, Department of Engineering Science, The University of Oxford; Document 0216-G-RP-S-11071, Future Energy Solutions
  44. Villalobos, F.A., Houlsby, G.T. and Byrne, B.W. (February 2005)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: Suction Caisson Foundations for Offshore Wind Turbines",
    Document 0216-G-RP-S-11073, Future Energy Solutions
  45. Kelly, R.B., Houlsby, G.T. and Byrne, B.W. (February 2005)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: A Comparison of Field and Laboratory Test Data in Sand and Clay",
    Document 0216-G-RP-S-11074, Future Energy Solutions
  46. Houlsby, G.T., Kelly, R.B. and Byrne, B.W. (February 2005)
    "The Application of Suction Caisson Foundations to Offshore Wind Turbines: The Tension Capacity of Suction Caissons in Sand under Rapid Loading",
    Document 0216-G-RP-S-11075, Future Energy Solutions
  47. Houlsby, G.T. (April 2005)
    "Beatrice Deepwater Offshore Windfarm: Foundation design using suction caissons",
    Report to AMEC Group Limited
  48. Houlsby, G.T. (November 2007)
    "Adriatic LNG Terminal: Assessment of analyses by NGI and SAGE",
    Report to Aker Kvaerner Contracting a.s.
  49. Byrne, B.W. and Houlsby, G.T. (February 2008)
    "Foundation Options for Offshore Wind Turbines",
    Report to Nuon UK Ltd.
  50. Houlsby, G.T., Oldfield, M.L.G. and Draper, S. (May 2008)
    "The Betz Limit and Tidal Turbines",
    Report to Lunar Energy
  51. Osborne, J.J., Teh, K.L., Houlsby, G.T., Cassidy, M.J., Bienen, B. and Leung, C.F. (March 2011)
    "Improved Guidelines for the Prediction of Geotechnical Performance of Spudcan Foundations During Installation and Removal of Jack-up Units",
    Report of InSafeJIP Joint Industry Study (multiple sponsors)
  52. Byrne, B.W. and Houlsby, G.T. (September 2011)
    "Suction caisson foundations for wind turbines offshore Germany",
    Report to Cathie Associates
  53. Houlsby, G.T. (February 2014)
    "Seagreen v. UFN",
    Report to Seagreen Wind Energy Limited
  54. Houlsby, G.T. (June 2014)
    "Seagreen v. UFN",
    Report to Seagreen Wind Energy Limited