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Keywords: calcareous sand
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Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-471
...) was used to cement the calcareous sands in this paper. The sand sample was immersed in the bacterial solution and cement solution successively, leading to precipitation of calcium carbonate to bond sand particles. The mechanical characteristics and microstructure of artificial cementing samples were...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-538
... of load, and so on, gravity anchor is a better choice used on the calcareous soils and rock (Seibert, 2011). particle key anchor flat anchor calcareous sand upstream oil & gas ocean energy calcareous soil renewable energy centrifugal test bottom anchor displacement horizontal...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-703
.... curvature coefficient preliminary investigation flow in porous media carbonate sand particle shape porosity uniformity coefficient hydraulic gradient upstream oil & gas particle size distribution calcareous sand specimen specimen 1 permeability fluid dynamics coefficient grain size...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-259
... is vital to the world's economy and security. Our ability to realise the full potential of oil and gas reserves relies on the development of viable platform and subsea pipeline solutions to safely access and then transport the hydrocarbons. resistance equation cassidy loading calcareous sand...
Proceedings Papers

Paper presented at the The Eighteenth International Offshore and Polar Engineering Conference, July 6–11, 2008
Paper Number: ISOPE-I-08-265
... ABSTRACT The behavior of reefoidal calcareous sediments from a variety of locations was examined by testing with a cyclic simple shear device. The results were compared to common quartz sands to determine if there are any differences. Static shear tests indicate that calcareous sands tend...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-127
... A large scale experimental study was conducted on electrokinetic cementation of calcareous sand for offshore foundations. A steel tube, 200 mm in diameter and 400 mm in length was used as a model caisson. Calcareous sand and seawater from the coastline of Western Australia were used in the study...
Proceedings Papers

Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-072
... ABSTRACT The effect of the electric field intensity on electro-cementation of calcareous sand was studied via the large model tests and the electric field analyses. In the experiments, the model caissons were embedded in calcareous sand and a dc intermittent electric field was applied via...
Proceedings Papers

Paper presented at the The Fourteenth International Offshore and Polar Engineering Conference, May 23–28, 2004
Paper Number: ISOPE-I-04-169
... ABSTRACT A laboratory floor experimental study was conducted on the electrochemical cementation of calcareous sand for offshore foundations. A caisson, 200 mm in diameter and 400 mm long, was embedded in a calcareous sand under seawater. The calcareous sand and seawater used in the study were...
Proceedings Papers

Paper presented at the The Tenth International Offshore and Polar Engineering Conference, May 28–June 2, 2000
Paper Number: ISOPE-I-00-163
... ABSTRACT A plasticity model is presented to describe the drained vertical load-displacement response of untrenehed offshore pipelines on calcareous sand. The predicted plastic response during monotonic loading and elasto-plastic behaviour during reloading is shown to compare well...
Proceedings Papers

Paper presented at the The Tenth International Offshore and Polar Engineering Conference, May 28–June 2, 2000
Paper Number: ISOPE-I-00-184
... sand tip resistance resistance reservoir characterization engineering pressure ratio calcareous material strength silica sand deposit artificially calcareous sand liquefaction potential upstream oil & gas monterey silica university relative density cementation ewa plain specimen...
Proceedings Papers

Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-069
... ABSTRACT The behaviour of calcarerute, which is a cemented calcareous sand found m many offshore environments around Australia and other parts of the world, is of intense interest due to its importance m the foundations of offshore structures needed for oil and gas recovery. Such cemented...

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