Using resistivity measurements for dam safety evaluation at Enemossen tailings dam in southern Sweden

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Internal erosion is a major reason for embankment dam failures. Resistivity measurements is an essentially non-destructive technique, which may have the possibility of detecting internal erosion processes and anomalous seepage at an early stage before the safety of the dam is at stake. This paper presents results from part of a dam safety investigation conducted at the Enemossen tailings dam in southern Sweden. Longitudinal resistivity sections, 2D measurements along the dam crest, provided an overview of the whole dam and served to detect anomalous zones. In selected areas, additional cross-sectional 2D surveys gave detailed information about the geo-electrical situations in the embankments. This information is valuable for similar investigations as information about resistivity in embankment construction material is scarce. Known problem areas were associated with low resistivities, even though the resistivity measurements alone did not provide enough information to confidently come to a decision about the status of the dams.


Enheter & grupper

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Geoteknik


Sidor (från-till)267-273
TidskriftEnvironmental Geology
Utgåva nummer2
StatusPublished - 2005
Peer review utfördJa


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