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Images for earthquake liquefaction; more images...
June 2011 Earthquake - Photograph 03
Images, UC QuakeStudies
A house in Richmond surrounded by flooding and liquefaction. The photographer comments, "Liquefaction and overflow from Dudley Creek flooded the section".
22 February Earthquake - Photograph 89
Images, UC QuakeStudies
A push lawnmower sits in liquefaction silt beside the porch of a house. The photographer comments, "A friend's house, liquefaction covers the front lawn".
22 February Earthquake - Photograph 42
Images, UC QuakeStudies
A 'sand volcano' of liquefaction in a crack in a gravel driveway beside a house in Richmond. The photographer comments, "Liquefaction in back yard".
22 February Earthquake - Photograph 41
Images, UC QuakeStudies
A man inspects damage to his garden. Liquefaction and cracking can be seen on the path and lawn. The photographer comments, "Lateral spreading and liquefaction".
22 February Earthquake - Photograph 90
Images, UC QuakeStudies
A wheelbarrow sits on a liquefaction-covered lawn in front of a house. The photographer comments, "Liquefaction covers a lawn for the 2nd time in 6 months".
22 February Earthquake - Photograph 39
Images, UC QuakeStudies
A man walks across his cracked and liquefaction-covered lawn in Richmond. The photographer comments, "Andy Corbin checks liquefaction and surface water in his lawn".
22 February Earthquake - Photograph 54
Images, UC QuakeStudies
A truck on Warden Street in Shirley waits to be loaded with liquefaction silt, which a digger in the background is scraping off the road. The photographer comments, "Liquefaction clean-up".
22 February Earthquake - Photograph 52
Images, UC QuakeStudies
Part of the forecourt at the Shell Shirley petrol station has lifted above the rest, after the underground petrol tanks were pushed upwards by liquefaction. Liquefaction silt covers the lower part of the forecourt.
June 2011 Earthquake - Photograph 05
Images, UC QuakeStudies
Flooding and liquefaction surround a house in Richmond.
22 February Earthquake - Photograph 60
Images, UC QuakeStudies
Flooding and liquefaction on Edward Avenue in St Albans.
22 February Earthquake - Photograph 06
Images, UC QuakeStudies
Damage to River Road in Richmond. The road surface is badly cracked and slumped, and liquefaction silt covers part of the road. The photographer comments, "Liquefaction in River Rd. This is minor compared to many streets in town".
22 February Earthquake - Photograph 53
Images, UC QuakeStudies
Part of the forecourt at the Shell Shirley petrol station has lifted above the rest, after the underground petrol tanks were pushed upwards by liquefaction. Liquefaction silt covers the lower part of the forecourt. The photographer comments, "Tanks at Shell Shirley floated out of the ground".
22 February Earthquake - Photograph 61
Images, UC QuakeStudies
Flooding and liquefaction outside a house on Edward Avenue in St Albans.
Liquefaction Performance & Characterisation of 55 Chrictchurch Sites
Research papers, University of Canterbury Library
To identify key ground characteristics that led to different liquefaction manifestations during the Canterbury earthquakes
22 February Earthquake - Photograph 62
Images, UC QuakeStudies
Flooding and liquefaction on the corner of Edward Avenue and Geraldine Street in St Albans.
22 February Earthquake - Photograph 58
Images, UC QuakeStudies
Flooding and liquefaction on Geraldine Street in St Albans. The photographer comments, "Geraldine St and Edward Ave corner".
22 February Earthquake - Photograph 56
Images, UC QuakeStudies
A digger scrapes up liquefaction silt from Warden Street in Shirley. The photographer comments, "Clearing silt in Warden St".
22 February Earthquake - Photograph 59
Images, UC QuakeStudies
A police car drives down a liquefaction-covered Geraldine Street in St Albans, past residents with shovels and wheelbarrows clearing silt.
Canterbury Earthquake September 2010 - Photograph 47
Images, UC QuakeStudies
Footprints in liquefaction silt on the side of a residential street. The photographer comments, "Silt has accumulated everywhere".
22 February Earthquake - Photograph 63
Images, UC QuakeStudies
A woman walks through liquefaction in Hendon Street in St Albans. The photographer comments, "Hendon St, St Albans, is very heavily silted".
June 2011 Earthquake - Photograph 01
Images, UC QuakeStudies
Flooding and liquefaction surround a house in Richmond. Bricks have fallen from the walls of the house, exposing the wooden framework beneath.
22 February Earthquake - Photograph 57
Images, UC QuakeStudies
A long line of cars on Shirley Road. While the centre of the road is clear, there is flooding and liquefaction along the edges.
22 February Earthquake - Photograph 55
Images, UC QuakeStudies
A digger scrapes up liquefaction silt from Warden Street in Shirley, while workers with shovels look on. The photographer comments, "Clearing silt in Warden St".
22 February Earthquake - Photograph 64
Images, UC QuakeStudies
Liquefaction surrounds a car on Hendon Street in St Albans, near the corner with Hills Road. In the background, 'keep clear' tape cordons off the front of a property.
Scrutinising The Prediction of Liquefaction Through New Zealand Case Histo…
Research papers, University of Canterbury Library
Background Liquefaction induced land damage has been identified in more than 13 notable New Zealand earthquakes within the past 150 years, as presented on the timeline below. Following the 2010-2011 Canterbury Earthquake Sequence (CES), the consequences of liquefaction were witnessed first-hand in the city of Christchurch and as a result the demand for understanding this phenomenon was heightened. Government, local councils, insurers and many other stakeholders are now looking to research and understand their exposure to this natural hazard.
22 February Earthquake - Photograph 09
Images, UC QuakeStudies
Damage to River Road in Richmond. The road surface is badly cracked and slumped, and liquefaction silt covers part of the road. The photographer comments, "Lateral spreading cracks in River Rd".
22 February Earthquake - Photograph 03
Images, UC QuakeStudies
Damage to Medway Street in Richmond. The road surface is cracked and buckled, and covered in liquefaction silt. A temporary road sign restricting speed to 30 is visible, with road cones behind. The photographer comments, "Medway St, Woodchester Ave on right just beyond the 30 sign".
Cyclic Undrained DSS Testing of Christchurch Sandy Silty Soils
Research papers, University of Canterbury Library
Earthquake-triggered soil liquefaction caused extensive damage and heavy economic losses in Christchurch during the 2010-2011 Canterbury earthquakes. The most severe manifestations of liquefaction were associated with the presence of natural deposits of clean sands and silty sands of fluvial origin. However, liquefaction resistance of fines-containing sands is commonly inferred from empirical relationships based on clean sands (i.e. sands with less than 5% fines). Hence, existing evaluation methods have poor accuracy when applied to silty sands. The liquefaction behaviour of Christchurch fines-containing (silty) sands is investigated through a series of Direct Simple Shear (DSS) tests. This type of test better resembles earthquake loading conditions in soil deposits compared to cyclic triaxial tests. Soil specimens are reconstituted in the laboratory with the water sedimentation technique. This preparation method yields soil fabrics similar to those encountered in fluvial soil deposits, which are common in the Christchurch area. Test results provide preliminary indications on how void ratio, relative density, preparation method and fines content influence the cyclic liquefaction behaviour of sand-silt mixtures depending on the properties of host sand and silt.
22 February Earthquake - Photograph 50
Images, UC QuakeStudies
Liquefaction silt covers the ground in front of the Shirley Medical Centre, and more silt is piled beside the entrance. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. The local medical centre is seriously silted up".
22 February Earthquake - Photograph 49
Images, UC QuakeStudies
Liquefaction silt covers the ground in front of the Shirley Medical Centre, and more silt is piled beside the entrance. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. The local medical centre is seriously silted up".
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