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Keywords: silica sand
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35990-MS
... investigation of the effects of particle morphology on sand interface friction angle using a Bromhead ring shear device. We tested three sands –fine silica sand, Hokksund sand, and Ottawa sand—against a smooth steel interface, medium rough sandpaper, and rough sandpaper under normal stresses ranging from 10–50...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31268-MS
.... offshore pipeline piping design midstream oil & gas piping simulation pipe-soil interaction strength silica sand normal stress carbonate sand particle roughness interface shear resistance upstream oil & gas friction resistance particle size database dataset shear resistance...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30544-MS
... consolidation between hydrate and sand. As results of hydrocyclone separation experiments, we have the high separation efficiency that is up to 92.23% for silica sand and 98.87% for PP; also only 0.46%~1.05% of PP powder remains in recovered materials. In conclusion, the technology proves the ability...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-29010-MS
... laboratory testing is not available. The curves of G/G max -γ and D-γ, are similar between silica sand and calcareous sand. The curves of siliceous carbonate sand and carbonate sand are very similar, but show a different shape and width than the curves of silica sand and calcareous sand. This indicates...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23002-MS
... ofoffshore jack-up installations, the SNAME (2008) guidelines recommend thefriction angle determined in the laboratory to be artificially reduced toaccount for " scale effects" (SNAME 2008). The above applies to silica sands, where the general shear failure mechanism isobserved and penetration typically...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–10, 1990
Paper Number: OTC-6239-MS
... ABSTRACT In this study, laboratory tests simulating the end-bearing of piles founded in silica sand and two calcareous sands at different densities were conducted. Bearing capacities are compared with field test values and theoretical cavity expansion pressures. Limit values for end-bearing...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5145-MS
...aTC 5145 Analysis of the Performance of Piles in Silica Sands and Carbonate Formations by R.G. Sea, S. Vahdani, and S.1. Guttman, PMB Systems Engineering Inc., and R.M. Meith and S.F. Paulson, Chevron Corp. Copyright 1986 Offshore Technology Conference This paper was presented at Ihe t8tb Annual...

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