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- Title
Pore-pressure response in a marine clay slope in southeast Norway.
- Authors
Boyle, Stan; Karlsrud, Kjell; Høydal, Øyvind Armand
- Abstract
This paper presents 9 years of measured pore pressures from eight piezometers installed in a marine clay slope in southeast Norway and the results of a two-dimensional finite element (FE) analysis performed to evaluate infiltration effects on groundwater flow and pore-pressure response. The assumed time-varying boundary flux record used in the analysis to simulate infiltration considers the effects of temperature, snow depth, land-use practices, and soil hydraulic conductivity. The pore-pressure records and analyses show that: (i) the maximum pore pressure reached is nearly the same each year; (ii) this maximum corresponds to a groundwater surface at or near the ground surface; (iii) the two-dimensional groundwater model used for the analysis is adequate for understanding of factors affecting infiltration, seepage patterns, and pore-pressure variations; and (iv) it is difficult to precisely model all aspects of the observed pore-pressure variations.
- Subjects
NORWAY; GROUNDWATER flow; SEEPAGE; WATER temperature; SNOW accumulation; SOIL permeability; LAND use; FINITE element method
- Publication
Canadian Geotechnical Journal, 2009, Vol 46, Issue 12, p1391
- ISSN
0008-3674
- Publication type
Article
- DOI
10.1139/T09-067