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SUMMARY:Seismic Triggering of Submarine Landslides - Dr Giovanna Biscontin
 \, University of Cambridge
DTSTART:20180613T180000Z
DTEND:20180613T190000Z
UID:TALK107386@talks.cam.ac.uk
CONTACT:Fiona Hughes
DESCRIPTION:In recent years\, increasing attention has been focused on the
  problem of submarine slope stability. The global economy requires a bette
 r\, wider reaching infrastructure\, able to quickly distribute resources\,
  such as oil and gas\, from the point of production to the points of use. 
 An expanding network of telecommunication cables is also crossing the ocea
 n floors and breakages caused by slope failures would interrupt or delay t
 he flow of information around the world. In addition\, large submarine sli
 des can cause tsunamis\, which can be devastating for the coastal communit
 ies on the wave’s path.\n\nA number of the failures takes place on slope
 s inclined 5° or less and typical soil profiles consist of almost paralle
 l layers of normally consolidated clay. The submerged slope under earthqua
 ke loading can be modelled using simple shear conditions and a compatible 
 set of constitutive laws to describe the response of the soil. A multi-dir
 ectional simple shear device allows loading along three independent axes\,
  two perpendicular horizontal directions to allow any stress or strain pat
 hs in the horizontal plane\, and a third in the vertical direction. This p
 rototype provides the ability to apply shear stresses and complex loading 
 paths to soil samples. The experimental program focused on investigating t
 he effects of anisotropy of Gulf of Mexico clay subjected to cyclic loadin
 g.
LOCATION:Gordon Cameron Lecture Theatre\, Fitzwilliam College
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