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Pontus Sjödahl
Researcher at Lund University
Publications - 16
Citations - 445
Pontus Sjödahl is an academic researcher from Lund University. The author has contributed to research in topics: Internal erosion & Embankment dam. The author has an hindex of 8, co-authored 16 publications receiving 409 citations.
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Resistivity monitoring for leakage and internal erosion detection at Hallby embankment dam
TL;DR: In this article, the authors used time-lapse inversion to focus the variation over time and suppress artefacts due to the resistivity structure of Hallby dam, and found that increasing long term resistivity has been noticed in a particular zone in the left embankment.
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2.5D resistivity modeling of embankment dams to assess influence from geometry and material properties
TL;DR: In this article, the influence from 3D effects created by specific dam geometry and effects of water level fluctuations in the reservoir was evaluated by modeling two rockfill embankment dams with central till cores in the north of Sweden.
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Using resistivity measurements for dam safety evaluation at Enemossen tailings dam in southern Sweden
TL;DR: In this paper, the Enemossen tailings dam in southern Sweden was investigated using resistivity measurements along the dam crest and 2D surveys along the embankments of the dam to detect anomalous zones.
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Using the resistivity method for leakage detection in a blind test at the Røssvatn embankment dam test facility in Norway
TL;DR: In this article, a test was conducted on a rockfill embankment dam with a central glacial till core at the Rossvatn test facility in Norway, where three defects, consisting of permeable material, were built into the dam at various depths and locations unknown to the personnel carrying out the measurements and data interpretation.
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Embankment dam seepage evaluation from resistivity monitoring data
TL;DR: In this article, a method for evaluating the seepage from resistivity monitoring data is theoretically described and tested for four selected areas in the foundation of the Sadva dam in Sweden.