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Keywords: cyclic loading
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Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-06
...1. Introduction Interest in the behaviour of piles under cyclic load- ing grew in the 1980s to meet challenges posed by inherently fail-unsafe Tension Leg Platforms (with the first TLP being installed at Hutton in 1984) and heavily loaded deeper water fixed platforms, such as the Cognac jacket set...
Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-27
... for soft clays (Matlock, 1970), stiff clays (Reese et al., 1975; Reese and Welch, 1975) and sands (Cox et al., 1974; Reese et al, 1974). The piles were subjected to a series of cyclic loads representative of load histories imposed by Gulf of Mexico storms to jacket piles. The final result was an ‘envelope...
Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-26
... cyclic response fontainebleau sand stability diagram installation research and development four-year joint industry project cyclic loading diagram offshore technology conference objective solcyp history interface friction cyclically foundation consideration loading london...
Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-28
...1. Introduction The pile foundations of offshore platforms, as well as wind and water turbines, experience environmental cyclic loading. These cycles can affect the stress con- ditions in the soil mass close to the pile and, conse- quently, the pile stiffness and capacity. Significant degradation...
Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-32
...1. Introduction The response of tripod and jacket piles to long-term cyclic axial loads is complex, and there are no gen- erally accepted methodologies to predict the effect of cyclic loading in sand. Moreover, the majority of recent research on the effects of cyclic loading focused on cyclic...
Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-33
... ABSTRACT This paper presents the results of a series of laboratory tests performed on model piles in dense sand to investigate the axial response and tensile capacity. The test schedule was designed to impose varying cyclic loads followed by static tensile tests to measure the improvement...
Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-31
... et al. (2012) presents the potential effects of cyclic loading on the response of offshore piles. Practical engineering methods in use in the offshore industry (oil and gas, wind farms) are reviewed. Key aspects that are of interest to the pile designer are as follows: (i) the potential reduction...
Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-34
...1. Introduction Numerous types of structure experience significant cyclic loading. Cyclic loads may be essentially envi- ronmental (e.g. wave, wind) or operational in origin. The oil and gas industry has developed procedures for considering the effects of large wave cyclic loads on foundations...
Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-47
... diligence process, which offered the opportunity to review the site investigation data and cyclic loads, to reconsider the effects of cyclic loads on pile resistance and to modify pile lengths and wall thicknesses to mitigate pile tip integrity risk during driving in very dense sands. The re-evaluation...
Proceedings Papers

Paper presented at the Offshore Site Investigation and Geotechnics: Confronting New Challenges and Sharing Knowledge, September 11–13, 2007
Paper Number: SUT-OSIG-07-383
... are highly stochastic in nature. Although their effects on the structure can be more or less reliably estimated, it is not easy to quantify and assess the loading which is relevant for the foundation design. Especially the reduction of the complex loading to a series of simple cyclic load parcels, i.e. load...

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