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- Quick_clay abstract "Quick clays, are unique sensitive glaciomarine clays found in Canada, Norway, Russia, Sweden, Finland, the United States and other locations around the world. These clays are so unstable that when a mass of quick clay is subjected to sufficient stress, the material behavior may transition from that of a particulate material to that of a fluid. Quick clay has a remolded strength is much less than its strength upon initial loading. This is caused by a highly unstable clay particle structure. Quick clays are typically originally deposited in a marine environment. When in this environment the positive charge of cations (such as sodium) were able to bind clay particles (negative surface charge) by balancing charge in the double layer. When these clays became uplifted and were no longer subjected to salt water conditions, rainwater infiltrated these clays and washed away the salts that allowed these clay particles to remain in a stable structure. Upon shear, the lack of counterbalancing charge from salts in the quick clay results in clay particle repulsion and realignment of clay particles to a structure that is extremely weak and unstable. Quick clays regain strength rapidly however when salt is added which allows clay particles to from complexes with one another.Quick clay is only found in the northern countries such as Russia, Canada, Norway, Sweden, and Finland, and in the US state of Alaska, which were glaciated during the Pleistocene epoch. In Canada, the clay is associated primarily with the Pleistocene-era Champlain Sea, in the modern Ottawa Valley, St. Lawrence Valley and Saguenay River regions.Quick clay has been the underlying cause of many deadly landslides. In Canada alone, it has been associated with more than 250 mapped landslides. Some of these are ancient, and may have been triggered by earthquakes.".
- Quick_clay wikiPageExternalLink landslides_e.php.
- Quick_clay wikiPageExternalLink rissa.html.
- Quick_clay wikiPageExternalLink SGI-R65.pdf.
- Quick_clay wikiPageID "1770024".
- Quick_clay wikiPageRevisionID "605145351".
- Quick_clay hasPhotoCollection Quick_clay.
- Quick_clay subject Category:Landslides.
- Quick_clay subject Category:Sediments.
- Quick_clay subject Category:Soil_mechanics.
- Quick_clay type Matter100020827.
- Quick_clay type PhysicalEntity100001930.
- Quick_clay type Sediment109428967.
- Quick_clay type Sediments.
- Quick_clay comment "Quick clays, are unique sensitive glaciomarine clays found in Canada, Norway, Russia, Sweden, Finland, the United States and other locations around the world. These clays are so unstable that when a mass of quick clay is subjected to sufficient stress, the material behavior may transition from that of a particulate material to that of a fluid. Quick clay has a remolded strength is much less than its strength upon initial loading. This is caused by a highly unstable clay particle structure.".
- Quick_clay label "Quick clay".
- Quick_clay label "クイック・クレイ".
- Quick_clay sameAs Senzitivní_jíl.
- Quick_clay sameAs クイック・クレイ.
- Quick_clay sameAs m.05vlfx.
- Quick_clay sameAs Q4578862.
- Quick_clay sameAs Q4578862.
- Quick_clay sameAs Quick_clay.
- Quick_clay wasDerivedFrom Quick_clay?oldid=605145351.
- Quick_clay isPrimaryTopicOf Quick_clay.