
In 2010 and 2011 a series of earthquakes hit the central region of Canterbury, New Zealand, triggering widespread and damaging liquefaction in the area of Christchurch. Liquefaction occurred in natural clean sand deposits, but also in silty (fines-containing) sand deposits of fluvial origin. Comprehensive research efforts have been subsequently undertaken to identify key factors that influenced liquefaction triggering and severity of its manifestation. This research aims at evaluating the effects of fines content, fabric and layered structure on the cyclic undrained response of silty soils from Christchurch using Direct Simple Shear (DSS) tests. This poster outlines preliminary calibration and verification DSS tests performed on a clean sand to ensure reliability of testing procedures before these are applied to Christchurch soils.
Liquefaction and flooding in a street in Kaiapoi, after the September 4th earthquake.
Cracks and liquefaction on a street in Avonside after the September 4th earthquake.
Cracks and liquefaction on a street in Avonside after the September 4th earthquake.
Cracks in the street and footpath in Avonside after the September 4th earthquake.
Liquefaction and flooding in a park in Kaiapoi after the September 4th earthquake.
Cracks across Reid Memorial Avenue in Pines Beach after the September 4th earthquake.
Liquefaction and flooding in a park in Kaiapoi after the September 4th earthquake.
Flooding and liquefaction in Hood Avenue, Pines Beach, after the September 4th earthquake.
Liquefaction in front of a store in Kaiapoi, after the September 4th earthquake.
Liquefaction around a power pole in Pines Beach, after the September 4th earthquake.
A photograph of a veterinarian and animal attendant at SPCA Canterbury after the 22 February 2011 earthquake.
Liquefaction on the side of a road in Avonside after the September 4th earthquake.
Cracks on the side of the road in Avonside after the September 4th earthquake.
Cracks along the road and river bank in Avonside after the September 4th earthquake.
A crack in the Avon river bank in Avonside after the September 4th earthquake.
A photograph of the John Robert Godley statue on display in the Canterbury Quakes exhibition at the Canterbury Museum. The statue fell off its plinth in Cathedral Square during the 22 February 2011 earthquake, exposing two time capsules.
A page banner for a feature titled, "The Canterbury Quake: One year on".
Cones marking a raised drain on a street in Avonside after the September 4th earthquake.
A crack in the centre of a street in Avonside after the September 4th earthquake.
Large cracks under a sculpture and seating area in Kaiapoi, after the September 4th earthquake.
Flooding and liquefaction on a residential property in Pines Beach, after the September 4th earthquake
A twisted bridge in Avonside blocked off with road cones after the September 4th earthquake.
A twisted bridge in Avonside blocked off with road cones after the September 4th earthquake.
A crack in the centre of a street in Avonside after the September 4th earthquake.
Anne Williams and Sally Roome standing outside the UC QuakeBox container at the Canterbury A&P Show.
Derek Bent, Troy Gillan and Lucy-Jane Walsh outside the UC QuakeBox at the Canterbury A&P Show.
A photograph of a veterinarian giving a puppy a full health check after the 22 February 2011 earthquake.
A photograph of a veterinarian giving instructions about the health of cats being relocated after the 22 February 2011 earthquake.
A blog post from US Ambassador to New Zealand and Samoa, David Huebner, titled, "Kia Kaha Canterbury".