Geotechnical land reports

In this section you can access the following reports.

Ground Improvement Trials

For liquefaction vulnerable land. One of the features of the Canterbury earthquakes was the significant damage caused by liquefaction. We now have a better understanding of what land is vulnerable to liquefactiion and the need to improve resilience if building on liquefaction vulnerable land, like in TC3 areas.

Cover of Ground Improvement Trials Brochure.

Ground Improvement Trials

Published: August 2013

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Liquefaction Vulnerability Study

EQC engaged Tonkin & Taylor to undertake a study to determine a method for predicting where liquefaction-related damage is likely to occur in future seismic events in Canterbury. 

Cover of Liquefaction Vulnerability Study.

Liquefaction Vulnerability Study

Published: March 2013

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Geotechnical land reports for the Canterbury earthquakes

  • These reports were prepared for EQC by Tonkin & Taylor (environmental and engineering consultants).
  • The purpose of the reports is to communicate information that may be relevant to residential land claims under the Earthquake Commission Act 1993.

Please note: This information is not intended to form a complete technical report on land changes in all or any part of Canterbury.

Stage 3 land report - cover.

Stage 3 land report

Canterbury Earthquakes 2010 and 2011

Land report as at 29 February 2012

Published: July 2012

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Stage 2 land report - cover.

Stage 2 land reports

Christchurch Earthquake Recovery

Geotechnical factual reports by suburb

Published: December 2011

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Stage 1 land report - cover.

Stage 1 land reports

Darfield Earthquake Recovery

Geotechnical factual reports

Published: October 2010–Feb 2011

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Page last updated: 18 Feb 2014

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