Farmland Rehabilitation Photograph 02

Images, UC QuakeStudies

A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.

Farmland Rehabilitation Photograph 15

Images, UC QuakeStudies

A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.

Farmland Rehabilitation Photograph 16

Images, UC QuakeStudies

A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.

Farmland Rehabilitation Photograph 04

Images, UC QuakeStudies

A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.

BeckerFraserPhotos June 2011 photograph 335

Images, UC QuakeStudies

Sand volcanoes" in the Heathcote Estuary. The volcanoes were caused by liquefaction, where the soil lost its strength and water erupted out of the hole, taking silt with it.

BeckerFraserPhotos June 2011 photograph 334

Images, UC QuakeStudies

Sand volcanoes" in the Heathcote Estuary. The volcanoes were caused by liquefaction, where the soil lost its strength and water erupted out of the hole, taking silt with it.

BeckerFraserPhotos June 2011 photograph 338

Images, UC QuakeStudies

Sand volcanoes" in the Heathcote Estuary. The volcanoes were caused by liquefaction, where the soil lost its strength and water erupted out of the hole, taking silt with it.

BeckerFraserPhotos June 2011 photograph 339

Images, UC QuakeStudies

Sand volcanoes" in the Heathcote Estuary. The volcanoes were caused by liquefaction, where the soil lost its strength and water erupted out of the hole, taking silt with it.

BeckerFraserPhotos June 2011 photograph 333

Images, UC QuakeStudies

Sand volcanoes" in the Heathcote Estuary. The volcanoes were caused by liquefaction, where the soil lost its strength and water erupted out of the hole, taking silt with it.

Farmland Rehabilitation Photograph 13

Images, UC QuakeStudies

A photograph of Peter Almond (wearing high visibility jacket), Derrick Moot and contractor Tony Fisher of Fisher Agricultural Ltd. inspecting a dug-out soil pit on a farm near River Road in Lincoln.

Soil liquefaction and its effects on structures: lessons learned from the …

Research papers, The University of Auckland Library

Many large-scale earthquakes all over the world have highlighted the impact of soil liquefaction to the built environment, but the scale of liquefaction-induced damage experienced in Christchurch and surrounding areas following the 2010-2011 Canterbury earthquake sequence (CES) was unparalleled, especially in terms of impact to an urban area. The short time interval between the large earthquakes presented a very rare occasion to examine liquefaction mechanism in natural deposits. The re-liquefaction experienced by the city highlighted the high liquefaction susceptibility of soil deposits in Christchurch, and presented a very challenging problem not only to the local residents but to the geotechnical engineering profession. This paper summarises the lessons learned from CES, and the impacts of the observations made to the current practice of liquefaction assessment and mitigation.

BeckerFraserPhotos June 2011 photograph 332

Images, UC QuakeStudies

A "sand volcano" in the Heathcote Estuary. The volcano was caused by liquefaction, where the soil lost its strength and water erupted out of the hole, taking silt with it.

BeckerFraserPhotos October 2010 photograph 003

Images, UC QuakeStudies

A typical "sand volcano" caused by liquefaction where the soil loses its strength during the earthquake and the silt rises upwards, ejecting out of a hole like magma in a volcano.

Farmland Rehabilitation Photograph 12

Images, UC QuakeStudies

A photograph of Professor Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.

Farmland Rehabilitation Photograph 11

Images, UC QuakeStudies

A photograph of Professor Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.

Farmland Rehabilitation Photograph 10

Images, UC QuakeStudies

A photograph of Professor Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.

Farmland Rehabilitation Video 05

Videos, UC QuakeStudies

A video of a tractor on a farm near River Road in Lincoln. The tractor is pulling a power harrow over a liquefaction blister. This was one of several soil-remediation techniques tested on farms affected by the 4 September 2010 earthquake.

Farmland Rehabilitation Video 04

Videos, UC QuakeStudies

A video of a tractor on a farm near River Road in Lincoln. The tractor is pulling a power harrow over a liquefaction blister. This was one of several soil-remediation techniques tested on farms affected by the 4 September 2010 earthquake.

Photograph by Neil Macbeth 055

Images, UC QuakeStudies

People walking amongst silt in Hagley Park shortly after the 22 February 2011 earthquake. These silt deposits were caused by the soil liquefying during the 22 February 2011 earthquake. The water flowed out, bringing sand with it.

Photograph by Neil Macbeth 056

Images, UC QuakeStudies

People walking amongst silt in Hagley Park shortly after the 22 February 2011 earthquake. These silt deposits were caused by the soil liquefying during the 22 February 2011 earthquake. The water flowed out, bringing sand with it.

BeckerFraserPhotos June 2011 photograph 337

Images, UC QuakeStudies

Paradise ducks search for food among 'sand volcanoes' in the Heathcote Estuary. The volcanoes were caused by liquefaction where the soil lost its strength and water erupted out of the hole, taking silt with it.

Farmland Rehabilitation Photograph 06

Images, UC QuakeStudies

A photograph of contractor Tony Fisher of Fisher Agricultural Ltd. inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.

Farmland Rehabilitation Video 10

Videos, UC QuakeStudies

A video of a tractor on a farm near River Road in Lincoln. The tractor is making several passes over a liquefaction blister with a rotary hoe. This was one of several soil-remediation techniques tested on farms affected by the 4 September 2010 earthquake.

Farmland Rehabilitation Video 06

Videos, UC QuakeStudies

A video of a tractor on a farm near River Road in Lincoln. The tractor is making a second pass over a liquefaction blister with a power harrow. This was one of several soil-remediation techniques tested on farms affected by the 4 September 2010 earthquake.

Embassy Science Fellowship Program Focuses on Earthquake Research

Articles, UC QuakeStudies

A blog post from US Ambassador to New Zealand and Samoa, David Huebner, titled, "Embassy Science Fellowship Program Focuses on Earthquake Research".

Farmland Rehabilitation Video 07

Videos, UC QuakeStudies

A video of a tractor on a farm near River Road in Lincoln. The tractor is making a several passes over a sand volcano with a rotary hoe. This was one of several soil-remediation techniques tested on farms affected by the 4 September 2010 earthquake.

Farmland Rehabilitation Video 09

Videos, UC QuakeStudies

A video of a tractor on a farm near River Road in Lincoln. The tractor is passing over a large sand volcano with a power harrow. This was one of several soil-remediation techniques tested on farms affected by the 4 September 2010 earthquake.

The Undrained Cyclic Response of Monterey Sand in Direct Simple Shear

Research papers, University of Canterbury Library

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.

BeckerFraserPhotos September 2010 photograph 090

Images, UC QuakeStudies

A sand volcano in the Halswell Primary School grounds. Sand volcanoes were caused by liquefaction where the soil loses its strength during the earthquake and the silt rises upwards, ejecting out of a hole like magma in a volcano.

BeckerFraserPhotos September 2010 photograph 088

Images, UC QuakeStudies

A sand volcano in the Halswell Primary School grounds near the playground. Sand volcanoes were caused by liquefaction where the soil loses its strength during the earthquake and the silt rises upwards, ejecting out of a hole like magma in a volcano.