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Research papers, The University of Auckland Library

The sequence of earthquakes that has affected Christchurch and Canterbury since September 2010 has caused damage to a great number of buildings of all construction types. Following post-event damage surveys performed between April 2011 and June 2011, the damage suffered by unreinforced stone masonry buildings is reported and different types of observed failures are described. A detailed technical description of the most prevalently observed failure mechanisms is provided, with reference to recognised failure modes for unreinforced masonry structures. The observed performance of existing seismic retrofit interventions is also provided, as an understanding of the seismic response of these interventions is of fundamental importance for assessing the vulnerability of similar strengthening techniques when applied to unreinforced stone masonry structures.

Images, UC QuakeStudies

One end of the Arts Centre photographed shortly after the 22 February 2011 earthquake. The gable of the building has crumbled and fallen to the ground, collapsing an awning. A large crack can be seen in the corner tower. Blue ties can be seen at the top of the tower, used to brace the structure after the 4 September 2010. This has probably limited the damage caused by the 22 February 2011 earthquake.

Images, UC QuakeStudies

Moira Fraser standing in front of the 'Passing Time' sculpture on the corner of St Asaph Street and Madras Street. 'Passing Time' was installed outside the CPIT Building for the 6th SCAPE (a contemporary public art programme in Christchurch) a few days prior to the 22 February 2011 earthquake. The work features twisting boxes depicting each year between 1906 (the founding of CPIT) and 2010 (the date of the sculpture's production).

Images, UC QuakeStudies

A plaque on the ground in front of the 'Passing Time' sculpture on the corner of Madras Street and St Asaph Street. The 'Passing Time' sculpture was installed outside the CPIT Building for the 6th SCAPE (a contemporary public art programme in Christchurch) a few days prior to the 22 February 2011 earthquake. The work features twisting boxes depicting each year between 1906 (the founding of CPIT) and 2010 (the date of the sculpture's production).

Images, UC QuakeStudies

Moira Fraser standing in front of the 'Passing Time' sculpture on the corner of St Asaph Street and Madras Street. 'Passing Time' was installed outside the CPIT Building for the 6th SCAPE (a contemporary public art programme in Christchurch) a few days prior to the 22 February 2011 earthquake. The work features twisting boxes depicting each year between 1906 (the founding of CPIT) and 2010 (the date of the sculpture's production).

Images, UC QuakeStudies

Moira Fraser in front of the 'Passing Time' sculpture on the corner of St Asaph Street and Madras Street. 'Passing Time' was installed outside the CPIT Building for the 6th SCAPE (a contemporary public art programme in Christchurch) a few days prior to the 22 February 2011 earthquake. The work features twisting boxes depicting each year between 1906 (the founding of CPIT) and 2010 (the date of the sculpture's production).

Images, UC QuakeStudies

A photograph of a Christchurch City Council red sticker. The sticker was used by the Civil Defence after the 2010 and 2011 earthquakes to indicate that a building had been inspected and that serious structural damage had been found. The sticker states that there should be no entry to the building. It also states that 'entry may result in death or injury'.

Images, UC QuakeStudies

A photograph submitted by Raymond Morris to the QuakeStories website. The description reads, "This painting of the ‘Frame workshop’ 456 Colombo St. Sydenham is by artist Raymond Morris. It is one of many paintings he has done of buildings demolished in the earthquakes 2010-2011.".

Images, UC QuakeStudies

A photograph submitted by Sarndra to the QuakeStories website. The description reads, "Lyttelton Cemetery, Reserve Terrace, Lyttelton. Damage obvious in several areas. Christchurch’s cemeteries have suffered widespread damage to plots and headstones since 4 September 2010. This photo was snapped 10 April 2011. My pioneering ancestors will be turning in their graves :,-(".

Images, UC QuakeStudies

A truck used to drain the septic tanks installed in front of Avonside properties to allow residents to use their toilets after the 4 September 2010 earthquake. The truck's operator has parked it beside the Avon River on Avonside Drive while he takes a break from working.

Images, UC QuakeStudies

A truck used to drain the septic tanks installed in front of Avonside properties to allow residents to use their toilets after the 4 September 2010 earthquake. The truck's operator has parked it beside the Avon River on Avonside Drive while he takes a break from working.

Images, eqnz.chch.2010

Avonhead Park Cemetery Interment Site. Central plinth. Inscription reads: "Etched in our City’s memory, never to be forgotten. The City of Christchurch" in Spanish. File reference: CCL-2012-02-27-AvonheadParkCemeteryIntermentSite-February-2012 DSC_026.JPG From the collection of Christchurch City Libraries.

Images, eqnz.chch.2010

Avonhead Park Cemetery Interment Site. Central plinth. Inscription reads: "Etched in our City’s memory, never to be forgotten. The City of Christchurch". File reference: CCL-2012-02-27-AvonheadParkCemeteryIntermentSite-February-2012 DSC_027.JPG From the collection of Christchurch City Libraries.

Images, eqnz.chch.2010

Avonhead Park Cemetery Interment Site. Central plinth. Inscription reads: "Etched in our City’s memory, never to be forgotten. The City of Christchurch" in Filipino. File reference: CCL-2012-02-27-AvonheadParkCemeteryIntermentSite-February-2012 DSC_028.JPG From the collection of Christchurch City Libraries.

Images, UC QuakeStudies

A house on Avonside Drive showing damage from the 4 September 2010 earthquake. Numerous cracks in the masonry can be seen, and several sections of brick have fallen off the walls. The building's porch has also collapsed. A pile of dried liquefaction is visible in the driveway.