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Keywords: silt
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Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-160
... to liquefaction are mostly sandy silt and silty sandy soil (Seed and Lee, 1966; Youd and Gilstra, 1999; Marzuni et al.,2022; Yang et al., 2016). In addition, pure homogeneous sand is rare in nature. What is commonly found is filled sand or fill sand, which has a particle composition quite different from...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-084
... an improved soil constitutive model for capturing the behaviour of calcareous silt, an experimental program on a range of reconstituted calcareous soils is undertaken for developing and calibrating the model. This paper investigates the undrained shearing response (as measured under triaxial compression...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-487
... ABSTRACT Based on flume experimental data, a series of numerical tests have been conducted to investigate sediment transport of sand-silt mixtures under both wave-only and wave-current conditions. The multi-fraction sediment transport model is set up using the open-source model Delft3D...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-201
... Abstract According to the analysis on the 11 drilling holes and more than 600km stratigraphy profiles data in the Diaokou lobe of modern Yellow River delta, it is found that the modern Yellow River Delta deposits mainly consist of the coarse silt and other fine grains, the fast accumulation...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-361
... sediment types. sediment reflectance remote sen silt machine learning water abundance sediment type sediment sample abundance spatial distribution classification accuracy silty sand sediment component water content intertidal flat moisture artificial intelligence endmember...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-285
... ABSTRACT This paper presents an experimental study on the coupled process between pipe vibration and liquefied silt seabed. The results show that once the disturbing force exceeds a certain threshold, the soil rapidly loses its strength and yields a severe deformation. Liquefied soil has...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-156
... layer of stiff material such as lenses of stiff silt or sand or a small stone or rock within a deposit. The peaks are removed as they cause a considerable error in predicting the strength parameters of entire layer. Errors due to halts Most of the errors occurring in cone penetration tests are due...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-491
... soil as well as clay, silt and loam is classified into one category of cohesive soil. The organic soil is, however, one of warned soils because it has high compression characteristic causing unequal settlement of a house and it contains humic acid blocking cement to be solidified. The organic soil...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-503
... to form a suitable base. model 1 countermeasure offshore model 4 engineering adalier deformation liquefaction foundation foundation settlement reservoir characterization settlement model 3 upstream oil & gas deposit silt earthquake buildup stone column stiffness foundation...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-131
... for pockmark formation; a continuous fluid flow (at least over a period of time), "pockmarkable" sediments (such as clay or fine silt) and an on-bottom water current. INTRODUCTION Pockmarks - shallow depressions of a few meters depth - were first described by King and McLean in 1970...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-382
...- pally in Italy, the Netherlands, Belgium and Japan. All of the modern environmental dredgers have the ability to dredge to an accuracy of centimeters. This is important to ensure that neither too much nor too little silt is removed. Too much leads to wastage of storage and processing capacity, while too...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-229
... ABSTRACT In this study, static drained and cyclic undrained behaviour of sandy silts with high fines content of 50% and 70% were studied together with that of the silt with fines content of 94%. The tested soils showed a more compressive behaviour and lower secant shear modulus at a higher...
Proceedings Papers

Paper presented at the The Thirteenth International Offshore and Polar Engineering Conference, May 25–30, 2003
Paper Number: ISOPE-I-03-179
... ABSTRACT Two test series are performed on penetration of model bucket foundations in silt. The bucket models are made of plexiglass (4 models) and of steel. The soil heave inside the buckets is very substantial in most of our tests. On the other hand the test series do not indicate any signs...
Proceedings Papers

Paper presented at the The Tenth International Offshore and Polar Engineering Conference, May 28–June 2, 2000
Paper Number: ISOPE-I-00-109
... the transportation zone; platform operation upstream oil & gas superstructure subsea system manufacture limitation penetration monocone platform substructure marine ice resistant platform foundation type substructure substructure installation dimension soil condition thickness silt...
Proceedings Papers

Paper presented at the The Eighth International Offshore and Polar Engineering Conference, May 24–29, 1998
Paper Number: ISOPE-I-98-090
... and elastic solid, and the soil was assumed to be a fluid saturated elastic medium for several seabed types such as sand, silt and clay. The size effect of an end bearing plate at the tip of a pile anchor on the response of seabed was numerically estimated for various seabed materials. Simulation results...
Proceedings Papers

Paper presented at the The Fifth International Offshore and Polar Engineering Conference, June 11–16, 1995
Paper Number: ISOPE-I-95-071
... ABSTRACT: Liquefaction during earthquakes has been a significant cause of failure of onshore as well as offshore structures. The phenomenon of liquefaction has been studied extensibly for the case of cohesionless soils. Fine grained soils such as silts and sands with fines have generally been...
Proceedings Papers

Paper presented at the The Second International Offshore and Polar Engineering Conference, June 14–19, 1992
Paper Number: ISOPE-I-92-398
... of the Yellow River Estuary is made of a fine silt. The construction of the artificial island will bring about the local erosion around the structure. Therefore, the scour depth is of importance in the design of the structure depth under mud line. In order to obtain the scour depth, it is necessary to carry out...

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