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1-15 of 15
Keywords: undrained shear strength
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Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-17
... undrained shear strength shear strength correction ABSTRACT A new geotechnical investigation tool called the CPT Stinger has recently been developed to acquire geotechnical information cost effectively at deepwater sites. Combining jumbo piston core (JPC) sampling with the CPT Stinger (deployed...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-21
... to ensure undrained conditions. Typical undrained shear strength profiles are provided in Figure 2 for the up- per 2m, as this is the depth of interest for the dy- namic penetration tests. The data in Figure 2 have been interpreted from the net penetration data re- ported by Colreavy et al. (2012) using...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-29
... on the undrained shear strength ( su ) and preconsolidation stress ( p'c ). All the parallel tests showed that su increased on average of 2% to 40% when tested at cold temperature. With one exception, where a similar increase in measured p'c of 9% to 38% was observed. Recommendations are given for procedures...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-36
... bearing pressure undrained shear strength strength strength gain drilling fluid selection and formulation water content strength regain drilling fluid formulation drilling fluid chemistry dosage concentration slurry clay slurry capacity factor moisture content calcium hydroxide...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-45
.... This paper focuses on the experimental results of two sideswipe- type tests with a pipeline model in a very soft soil with undrained shear strength of ~3kPa. Experimental yield envelopes are also included. The experimental tests revealed that for very shallow pipe embedments the maximum horizontal load...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-67
... conditions tested simulate soft seabed strength profiles close to the mudline, varying the undrained shear strength. The most critical reinstal- lation location and existing footprint depth were investigated. In all of the experiments, an initial footprint was created. Skirted, innovative and generic spudcan...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-69
... solhjell norwegian geotechnical institute undrained shear strength 1. Introduction 1.1 Background on Skarv field The Skarv field development is located in the Nor- wegian Sea close to the Arctic Circle, 210km off the coast of Norway. The development consists of one large floating production, storage...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-72
.... The dependence of the penetration behaviour on the friction angle and dilation behaviour of sand, the undrained shear strength of the underlying clay and the normalised sand layer thickness are also discussed. 635 stresses and material properties, are continuously mapped from the previous mesh to the new. Yu et...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Confronting New Challenges and Sharing Knowledge, September 11–13, 2007
Paper Number: SUT-OSIG-07-177
.... Bearing capacity factors for the T-bar and ball, N T-bar and N Ball relating to undrained shear strength, s u , and remoulded shear strength, s u-rem , are compared with theoretically derived N factors. Overall, the close relationship between net resistances from the T-bar and ball, q T-bar and q ball...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Confronting New Challenges and Sharing Knowledge, September 11–13, 2007
Paper Number: SUT-OSIG-07-151
... poses special problems, but recent research efforts have led to improved wars of talking these problems. Main emphasis is given to how the undrained shear strength can be determined from laboratory tests on soil samples, but with some references to in situ tests. The problems of sample disturbance...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Confronting New Challenges and Sharing Knowledge, September 11–13, 2007
Paper Number: SUT-OSIG-07-187
... to determine undrained shear strength and strength sensitivity in water-saturated clay and silt soils. It has a long history of use1, 2. Figure 1 presents basic test principles. A perceived advantage of the VST is its theoretical model for data interpretation, i.e. lower bound limit analysis for well- defined...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Confronting New Challenges and Sharing Knowledge, September 11–13, 2007
Paper Number: SUT-OSIG-07-195
... harpoon free fall cone penetrometer osig final penetration resistance undrained shear strength drilling operation reservoir characterization free fall cone penetrometer assessment sensor deployment harpoon ffcpt sediment strength harpoon ffcpt deployment upstream oil & gas...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Confronting New Challenges and Sharing Knowledge, September 11–13, 2007
Paper Number: SUT-OSIG-07-279
... performed using miniature cone penetrometer 10, 11 and spudcan 12, 13 spudcan upstream oil & gas soil interface soil wedge wedge two-layered soil leung cf consideration foundation resistance profile resistance national university undrained shear strength penetration resistance...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Confronting New Challenges and Sharing Knowledge, September 11–13, 2007
Paper Number: SUT-OSIG-07-449
... cone resistance disturbance resistance shear strength statistical analysis interpretation international offshore site investigation upstream oil & gas statistical method standard deviation variability undrained shear strength strength soil property soil parameter...
Proceedings Papers
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Confronting New Challenges and Sharing Knowledge, September 11–13, 2007
Paper Number: SUT-OSIG-07-461
... 5 to 6m, above a stiffer layer extending to about 25m with a low over-consolidation ratio (OCR). During testing the water table was at or just below the ground surface. The general stratigraphy is shown alongside undrained shear strength, THE INFLUENCE OF FULL-FLOW PENETROMETER AREA RATIO...