excess ice
Link: http://w3id.org/permafrost/v/ipaglossary/t0102
Within: IPA Permafrost Glossary
Definition: The volume of ice in the ground which exceeds the total pore volume that the ground would have under natural unfrozen conditions (see Figure 7).
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excess ice
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| Comment |
In standard geotechnical terminology, a soil is considered normally consolidated when its total pore volume or its total water content is in equilibrium with the acting gravity stresses. Due to the presence of ground ice, the total water content of a frozen soil may exceed that corresponding to its normally consolidated state when unfrozen. As a result, upon thawing, a soil containing excess ice will settle under its own weight until it attains its consolidated state.
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| dcterms:source |
https://doi.org/10.4224/20386561
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