Advances in underwater technology and offshore engeneering. Volume 3, Offshore Site Investigation : Proceedings of an international conference, (Offshore Site Investigation), organized by the Society for Underwater Technology, and held in London, UK, 13 a

c. P. Wroth, Oxford University, UK I am grateful to the Organising Committee that were covered on the first day. First, we for the invitation to attempt to sum up the had Dr Riemersma talking about positioning proceedings. Summing up is not really the requirements, and it seemed to me to be an appropriate phrase - it is a difficult job to unhappy reflection on human frailty that he do justice in a summary to the amount of was concentrating so much on the errors in material that has been presented over the the system and on the human factors that two days of the conference. Clearly, each led to trouble, emphasizing that the techni­ paper merits further individual attention in ques are vastly superior to the ability of the order to reflect on its content. What I am human beings who used them. Then, Dr going to say must necessarily be an unbal­ Palmer talked about a fascinating case his­ anced critique, because we are considering a tory of the Ocean Thermal Power Project; whole range of knowledge and experience in this was of particular interest because most a wide diversity of topics, and my comments of the other stories we heard were not so are bound to be biased by my own interests. specific and not about such a novel project. Front Matter....Pages i-vi Offshore Positioning Requirements, Systems and Quality Control: A Review....Pages 1-13 Oahu OTEC Preliminary Design: Sea-Floor Surveys....Pages 15-27 The Geology of Some Atlantic Abyssal Plains and the Engineering Implications....Pages 29-43 The Quaternary Succession on the Northern United Kingdom Continental Shelf and Slope: Implications for Regional Geotechnical Investigations....Pages 45-61 The Benigraph: A Sea-floor Mapping System....Pages 63-68 Seabed II: High-resolution Acoustic Seabed Surveys of the Deep Ocean....Pages 69-83 High-resolution Geophysical Surveys for Engineering Purposes....Pages 85-98 An Integrated Approach to the Investigation of New Development Areas....Pages 99-120 Marine Geophysical Site Investigation for Exploration Drilling Rigs: Survey Contracts Appraisal....Pages 121-128 In Situ Testing and Sampling Offshore in Water Depths Exceeding 300 m ....Pages 129-163 Advanced Deep-water Soil Investigation at the Troll East Field....Pages 165-186 Use of the PAM Self-boring Pressuremeter and the STACOR Large-size Fixed-piston Corer for Deep Seabed Surveying....Pages 187-199 A Comparison of Ménard, Self-boring and Push-in Pressuremeter Tests in a Stiff Clay Till....Pages 201-217 Comparison of in Situ and Ship-Board Vane Measurements on a Deep-Sea Clay....Pages 219-230 The Influence of Geological Processes and Test Procedures on Measured and Evaluated Parameters....Pages 231-252 Evaluation of Geotechnical Parameters from Triaxial Tests on Offshore Clay....Pages 253-268 Design Parameters for Offshore Sands: Use of In Situ Tests ....Pages 269-292 The Applications of Centrifugal Modelling to the Design of Jack-up Rig Foundations....Pages 293-305 Summary....Pages 307-310 C.P. Wroth, Oxford University, UK I am grateful to the Organising Committee that were covered on the first day. First, we for the invitation to attempt to sum up the had Dr Riemersma talking about positioning proceedings. Summing up is not really the requirements, and it seemed to me to be an appropriate phrase - it is a difficult job to unhappy reflection on human frailty that he do justice in a summary to the amount of was concentrating so much on the errors in material that has been presented over the the system and on the human factors that two days of the conference. Clearly, each led to trouble, emphasizing that the techniƯ paper merits further individual attention in ques are vastly superior to the ability of the order to reflect on its content. What I am human beings who used them. Then, Dr going to say must necessarily be an unbalƯ Palmer talked about a fascinating case hisƯ anced critique, because we are considering a tory of the Ocean Thermal Power Project; whole range of knowledge and experience in this was of particular interest because most a wide diversity of topics, and my comments of the other stories we heard were not so are bound to be biased by my own interests. specific and not about such a novel project