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Images, UC QuakeStudies

The front of Christ Church Cathedral showing its broken tower. Bracing has been placed on the front wall to limit further damage. Security fences have been placed around the cathedral to restrict access.

Images, UC QuakeStudies

A photograph of earthquake damage to the Crown Masonic Lodge on Wordsworth Street, also known as the Freemasons Centre. The brick wall on one side of the building has collapsed, exposing the interior.

Images, UC QuakeStudies

A photograph of earthquake damage to the Crown Masonic Lodge on Wordsworth Street, also known as the Freemasons Centre. The brick wall on one side of the building has collapsed, exposing the interior.

Images, UC QuakeStudies

The front of Christ Church Cathedral showing its broken tower. Bracing has been placed on the front wall to limit further damage. Security fences have been placed around the cathedral to restrict access.

Images, UC QuakeStudies

The front of Christ Church Cathedral showing its broken tower. Bracing has been placed on the front wall to limit further damage. Security fences have been placed around the cathedral to restrict access.

Images, UC QuakeStudies

The front of Christ Church Cathedral showing its broken tower. Bracing has been placed on the front wall to limit further damage. Security fences have been placed around the cathedral to restrict access.

Images, UC QuakeStudies

The front of Christ Church Cathedral showing its broken tower. Bracing has been placed on the front wall to limit further damage. Security fences have been placed around the cathedral to restrict access.

Images, UC QuakeStudies

The badly damaged Canterbury Provincial Chambers building. The roof and upper walls of the Stone Chamber have collapsed. Scaffolding has been erected up the side of the building and a tarpaulin covers the roof.

Images, UC QuakeStudies

A photograph of earthquake damage to the Crown Masonic Lodge on Wordsworth Street, also known as the Freemasons Centre. The brick wall on one side of the building has collapsed, exposing the interior.

Images, UC QuakeStudies

A photograph of earthquake damage to the Crown Masonic Lodge on Wordsworth Street, also known as the Freemasons Centre. The brick wall on one side of the building has collapsed, exposing the interior.

Images, UC QuakeStudies

The damaged Knox Church on Bealey Avenue. Bricks have fallen from the walls, exposing the wooden beams. The photographer comments, "You can now see how the old churches were constructed".

Images, eqnz.chch.2010

The front and side walls of this Christchurch building had completely collapsed after being struck by the the magnitude 7,1 earthquake on 4 September 2010.

Research papers, The University of Auckland Library

Test results are presented for wall-diaphragm plate anchor connections that were axially loaded to rupture. These connection samples were extracted post-earthquake by sorting through the demolition debris from unreinforced masonry (URM) buildings damaged in the Christchurch earthquakes. Unfortunately the number of samples available for testing was small due to the difficulties associated with sample collection in an environment of continuing aftershocks and extensive demolition activity, when personal safety combined with commercial activity involving large demolition machinery were imperatives that inhibited more extensive sample collection for research purposes. Nevertheless, the presented data is expected to be of assistance to structural engineers undertaking seismic assessment of URM buildings that have existing wall-diaphragm anchor plate connections installed, where it may be necessary to estimate the capacity of the existing connection as an important parameter linked with determining the current seismic capacity of the building and therefore influencing the decision regarding whether supplementary connections should be installed.