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Keywords: pore water
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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-22-330
... ABSTRACT Polar lake sediment is an indispensable research sample in polar geology and polar environment, but the current fidelity sampling technology related to polar lakes is relatively weak. In this paper, a multifunctional fidelity sampling system for polar lake sediments and pore water...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-055
... ABSTRACT In the present paper, the liquefaction potential and the change in effective stress associated with the gap between the water pressure on the ground surface and the pore water pressure in the ground induced by tsunami inundation have been numerically studied. From the numerical...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-658
... ABSTRACT When the temperature drops below zero degrees, phase change from water to ice causes a volume expansion of 9 %. Under the same temperature conditions, volumetric expansion of soil occurs not only by freezing of pore water but also by ice segregation. The Republic of Korea...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-211
... distribution well logging resistivity electrode sw test hole electrical resistivity us government foundation engineering kcl solution pore water upstream oil & gas log analysis kasaoka clay natural soil laboratory experiment swedish weight composite soil fine fraction content residential...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-207
... concentrations of the outer and inner part of the area are close, diffusion is small. When the benthic flux of phosphorus of the previous study is applied to our study area, release volume from pore water is just 2 %. Therefore the recirculated saline water plays the important role in material transport from...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-266
...A Study of Vacuum Consolidation accompanied by the Substitution of Pore Water with Air Hiroshi Oikawa, Toshihiro Ogino Dept. of Civil and Environmental Engineering, Akita University Akita, Japan Masaki Tsushima Dept. of Civil Engineering, Akita National College of Technology Akita, Japan Junichi...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-480
... to Kanto district. The total area liquefied was 42 square kilometers. The chemical grouting method had been performed in several places along the Pacific coast (Towhata. 2008). dilution phenomenon injection construction fluid dynamics pore water upstream oil & gas experiment silica...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-342
... was compressed by 40% axial strain in the test. In the process, pore water continued to squeeze out as shown in right side photo in Fig.1, and water content was reduced to about 510% at 40% axial strain. No distinct failure plane was formed and stress-strain curve did not show a peak point. (a) before test (b...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-401
... ground improvement and the remediation of contaminated pore water in reclamation site. In this study, numerical analysis considering the effect of vertical sand layer and the length of impermeable barrier was conducted to achieve an optimum design of reactive drain pile. INTRODUCTION Soft ground...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-145
... substances of organic, bottom-sediment-adsorbing inorganic phosphorus and nitrogen, and inorganic phosphorus and nitrogen in pore water.(Irie et al. , 2004). These sulfides resulted in the formation of blue tide. bottom sediment release rate nitrogen koshien beach sediment upstream oil...
Proceedings Papers

Paper presented at the The Thirteenth International Offshore and Polar Engineering Conference, May 25–30, 2003
Paper Number: ISOPE-I-03-148
... consolidation calculation consideration relative difference dynamic analysis settlement upstream oil & gas loading numerical analysis smallness fluid dynamics deformation small deformation particle one-dimensional consolidation problem equation assumption pore-water pressure...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-331
... element. The cylinder was deployed on a sandy beach at low water, and measurements were made of total stress and pore water pressure during the subsequent submersion under the rising tide. This paper reports the results of these field measurements and compares them with a numerical simulation...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-068
... of contaminants rapidly and at low cost in the ocean environment. The dielectric permittivity and electrical conductivity of sediment-pore water were determined as a function of both ionic concentration and frequency to see if these parameters can be used to investigate and monitor the presence of contaminants...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-076
... test conservation reservoir surveillance pore water specimen coefficient constant rate linear momentum upstream oil & gas cfs soil solid production monitoring consolidation test Proceedings of the Ninth (1999) International Offshore and Polar Engineering Conference Brest, France, May...
Proceedings Papers

Paper presented at the The Eighth International Offshore and Polar Engineering Conference, May 24–29, 1998
Paper Number: ISOPE-I-98-071
... consolidation theory application void ratio finite strain consolidation theory mcvay phosphate waste clay soil solid pore water consolidation process conservation consolidation artificial intelligence finite element method itz waste clay Proceedings of the Eighth (1998) International Offshore...
Proceedings Papers

Paper presented at the The Eighth International Offshore and Polar Engineering Conference, May 24–29, 1998
Paper Number: ISOPE-I-98-140
... (baseline), disturbance and post disturbance stages as well as subsequent monitoring sampling in 1997. Comparison of data on physical and chemical characteristics of bottom sediment, near bottom and pore water collected before and after experiment showed alterations in those characteristics. Contents...
Proceedings Papers

Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-066
... of pore water constituents like nutrients and heavy metals was observed. Fast metal sorption in the suspension directly after the pore water release proved that the suspended particles represent effective scavengers for the released metals. Sorption was followed by a certain metal mobilization...
Proceedings Papers

Paper presented at the The Sixth International Offshore and Polar Engineering Conference, May 26–31, 1996
Paper Number: ISOPE-I-96-008
..., and nitrite) contents in the near-bottom and pore water were carried out at the shipbv:ltd chemical laboratory. The array of onboard assays included also suspended particulates in the near-bottom water as well as pH and shear strength of sediment. In addition, samples were collected for biological...
Proceedings Papers

Paper presented at the The Sixth International Offshore and Polar Engineering Conference, May 26–31, 1996
Paper Number: ISOPE-I-96-067
... Based on Microscopic Consideration by Probability Theory Ryosuke Kitamura and George Kisanuld Kagoshima University Kagoshima, Japan ABSTRACf The consolidation process in soil involves both the dissipation of excess pore water pressure and the change of soil skeleton due to the change of effective stress...
Proceedings Papers

Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-090
... They are much influenced by the behaviour of fluid in the pore under certain conditions of pressure and temperature (Towhata et al. (1993». The inter-particle force due to surface tension which is generated at the boundary of gas and pore water is additionally taken account of at a contact point of soil...

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