Critical Degree of Saturation as a Threshold Moisture Level in Frost Weathering of Limestones
Identifieur interne : 001D94 ( Main/Exploration ); précédent : 001D93; suivant : 001D95Critical Degree of Saturation as a Threshold Moisture Level in Frost Weathering of Limestones
Auteurs : Angélique Prick [Belgique, Canada]Source :
- Permafrost and Periglacial Processes [ 1045-6740 ] ; 1997-01.
English descriptors
Abstract
The moisture content has a deciding impact on the behaviour of a rock undergoing frost action. A particular critical degree of saturation Scr characterizes each material; only when the moisture content exceeds Scr will the material be damaged by frost. This parameter was defined for ten French limestones by measuring their dynamic Young's modulus. Scr values depend on porosimetric characteristics of the rocks, especially their trapped porosity. The critical degree of saturation accounts for the various rock dilatometrical behaviours during a freeze–thaw cycle. © 1997 John Wiley & Sons, Ltd.
Url:
DOI: 10.1002/(SICI)1099-1530(199701)8:1<91::AID-PPP238>3.0.CO;2-4
Affiliations:
- Belgique, Canada
- Alberta, Province de Liège
- Calgary, Liège
- Université de Calgary, Université de Liège
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